[INFO] cloning repository https://github.com/clvx/ultimate-rust-foundations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clvx/ultimate-rust-foundations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclvx%2Fultimate-rust-foundations", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5bad8e96126feab0785b7d4bc7f8926be91c823
[INFO] testing clvx/ultimate-rust-foundations against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclvx%2Fultimate-rust-foundations" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clvx/ultimate-rust-foundations
[INFO] finished tweaking git repo https://github.com/clvx/ultimate-rust-foundations
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[INFO] validating manifest of git repo https://github.com/clvx/ultimate-rust-foundations on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
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[INFO] crate git repo https://github.com/clvx/ultimate-rust-foundations already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling save_dynamic_bytes v0.1.0 (/opt/rustwide/workdir/foundations/session4/save_dynamic_bytes)
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[INFO] [stderr]    Compiling internal_arc_mutex v0.1.0 (/opt/rustwide/workdir/foundations/session4/internal_arc_mutex)
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/foundations/session1/hello_world)
[INFO] [stderr]    Compiling tprio v0.1.0 (/opt/rustwide/workdir/foundations/session2/tprio)
[INFO] [stderr]    Compiling parking v0.1.0 (/opt/rustwide/workdir/foundations/session2/parking)
[INFO] [stdout] warning: static `HIGH_COUNT` is never used
[INFO] [stdout]  --> foundations/session2/tprio/src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static HIGH_COUNT: AtomicI32 = AtomicI32::new(0);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/foundations/session1/variables)
[INFO] [stderr]    Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/foundations/session4/lifetimes)
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir/foundations/session4/generics_and_iterators)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> foundations/session4/generics_and_iterators/src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> HashMapBucketIter<K, V> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> HashMapBucketIter<'_, K, V> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling divide_work v0.1.0 (/opt/rustwide/workdir/foundations/session2/divide_work)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/foundations/session4/traits)
[INFO] [stderr]    Compiling mutexes v0.1.0 (/opt/rustwide/workdir/foundations/session2/mutexes)
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir/foundations/session4/linked_list)
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> foundations/session4/traits/src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, rc::Rc};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animal`
[INFO] [stdout]   --> foundations/session4/traits/src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let animal = get_animal(); // impl Animal for Cat
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_animal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DebuggableClonableAnimal` is never used
[INFO] [stdout]   --> foundations/session4/traits/src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait DebuggableClonableAnimal: Animal+Debug+Clone {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> foundations/session4/linked_list/src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stdout]    |     ------ ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stdout] 14 +     Strong(()), // Strong reference to the next node, which increases the 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> foundations/session4/linked_list/src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout]    |     ---- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout] 16 +     Weak(()), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> foundations/session2/mutexes/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..10 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_builder v0.1.0 (/opt/rustwide/workdir/foundations/session2/thread_builder)
[INFO] [stderr]    Compiling operator_overloading v0.1.0 (/opt/rustwide/workdir/foundations/session4/operator_overloading)
[INFO] [stderr]    Compiling dropping v0.1.0 (/opt/rustwide/workdir/foundations/session4/dropping)
[INFO] [stderr]    Compiling dashing v0.1.0 (/opt/rustwide/workdir/foundations/session2/dashing)
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling pin-project-internal v1.1.9
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling bytemuck_derive v1.8.1
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling pin-project v1.1.9
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling save_bytes v0.1.0 (/opt/rustwide/workdir/foundations/session4/save_bytes)
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling hello_async v0.1.0 (/opt/rustwide/workdir/foundations/session3/hello_async)
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling axum-core v0.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling async-compression v0.4.22
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio_testing v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_testing)
[INFO] [stderr]    Compiling shared_data v0.1.0 (/opt/rustwide/workdir/foundations/session5/shared_data)
[INFO] [stderr]    Compiling authentication v0.1.0 (/opt/rustwide/workdir/foundations/session1/authentication)
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling errors v0.1.0 (/opt/rustwide/workdir/foundations/session3/errors)
[INFO] [stderr]    Compiling login_manager v0.1.0 (/opt/rustwide/workdir/foundations/session1/login_manager)
[INFO] [stderr]    Compiling login v0.1.0 (/opt/rustwide/workdir/foundations/session1/login)
[INFO] [stderr]    Compiling h2 v0.4.7
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tower-http v0.6.5
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling tcpserver v0.1.0 (/opt/rustwide/workdir/foundations/session3/tcpserver)
[INFO] [stderr]    Compiling async_mutex v0.1.0 (/opt/rustwide/workdir/foundations/session3/async_mutex)
[INFO] [stderr]    Compiling blocking v0.1.0 (/opt/rustwide/workdir/foundations/session3/blocking)
[INFO] [stderr]    Compiling tokio_select v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_select)
[INFO] [stderr]    Compiling tokio_select_broadcast v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_select_broadcast)
[INFO] [stderr]    Compiling pinning v0.1.0 (/opt/rustwide/workdir/foundations/session3/pinning)
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn one() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | async fn two() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_one_of_them` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | async fn call_one_of_them(n:u32) -> Pin<Box<dyn Future<Output = ()>>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fileio v0.1.0 (/opt/rustwide/workdir/foundations/session3/fileio)
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]  --> foundations/session3/fileio/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_count` is never used
[INFO] [stdout]   --> foundations/session3/fileio/src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | async fn line_count(filename: String) -> io::Result<usize> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_channels v0.1.0 (/opt/rustwide/workdir/foundations/session3/async_channels)
[INFO] [stderr]    Compiling hello_tokio v0.1.0 (/opt/rustwide/workdir/foundations/session3/hello_tokio)
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling sysinfo v0.33.1
[INFO] [stderr]    Compiling sqlx-core v0.8.3
[INFO] [stderr]    Compiling collector v0.1.0 (/opt/rustwide/workdir/foundations/session5/collector)
[INFO] [stderr]    Compiling hyper v1.5.2
[INFO] [stderr]    Compiling sqlx-sqlite v0.8.3
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling file_adapter v0.1.0 (/opt/rustwide/workdir/bonus/file_adapter)
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling axum v0.8.1
[INFO] [stderr]    Compiling reqwest v0.12.15
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.3
[INFO] [stderr]    Compiling sqlx-macros v0.8.3
[INFO] [stderr]    Compiling restclient v0.1.0 (/opt/rustwide/workdir/foundations/session3/restclient)
[INFO] [stdout] warning: fields `latitude`, `longitude`, and `current_weather` are never read
[INFO] [stdout]  --> foundations/session3/restclient/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Weather {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 6 |     latitude: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     longitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     current_weather: CurrentWeather,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Weather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `temperature` and `windspeed` are never read
[INFO] [stdout]   --> foundations/session3/restclient/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CurrentWeather {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 13 |     temperature: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     windspeed: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CurrentWeather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sqlx v0.8.3
[INFO] [stderr]    Compiling collector_server v0.1.0 (/opt/rustwide/workdir/foundations/session5/collector_server)
[INFO] [stderr]    Compiling db v0.1.0 (/opt/rustwide/workdir/foundations/session4/db)
[INFO] [stdout] warning: fields `id` and `message` are never read
[INFO] [stdout]  --> foundations/session4/db/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Message {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 7 |     id: i64,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_http_server v0.1.0 (/opt/rustwide/workdir/services/http_server)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "8d98440f22ec92754b175d69275cbf2c40d6af271cbd3d3c7a6cf5912d599cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d98440f22ec92754b175d69275cbf2c40d6af271cbd3d3c7a6cf5912d599cf5", kill_on_drop: false }`
[INFO] [stdout] 8d98440f22ec92754b175d69275cbf2c40d6af271cbd3d3c7a6cf5912d599cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98c8e824239397f77b7921a4173133eaa09381b895b0884c0afd9df04d398024
[INFO] running `Command { std: "docker" "start" "-a" "98c8e824239397f77b7921a4173133eaa09381b895b0884c0afd9df04d398024", kill_on_drop: false }`
[INFO] [stderr]    Compiling restclient v0.1.0 (/opt/rustwide/workdir/foundations/session3/restclient)
[INFO] [stderr]    Compiling collector v0.1.0 (/opt/rustwide/workdir/foundations/session5/collector)
[INFO] [stderr]    Compiling hello_async v0.1.0 (/opt/rustwide/workdir/foundations/session3/hello_async)
[INFO] [stderr]    Compiling save_bytes v0.1.0 (/opt/rustwide/workdir/foundations/session4/save_bytes)
[INFO] [stderr]    Compiling dashing v0.1.0 (/opt/rustwide/workdir/foundations/session2/dashing)
[INFO] [stderr]    Compiling simple_http_server v0.1.0 (/opt/rustwide/workdir/services/http_server)
[INFO] [stderr]    Compiling tprio v0.1.0 (/opt/rustwide/workdir/foundations/session2/tprio)
[INFO] [stderr]    Compiling pinning v0.1.0 (/opt/rustwide/workdir/foundations/session3/pinning)
[INFO] [stderr]    Compiling affinity v0.1.0 (/opt/rustwide/workdir/foundations/session2/affinity)
[INFO] [stderr]    Compiling login_manager v0.1.0 (/opt/rustwide/workdir/foundations/session1/login_manager)
[INFO] [stderr]    Compiling file_adapter v0.1.0 (/opt/rustwide/workdir/bonus/file_adapter)
[INFO] [stderr]    Compiling login v0.1.0 (/opt/rustwide/workdir/foundations/session1/login)
[INFO] [stderr]    Compiling errors v0.1.0 (/opt/rustwide/workdir/foundations/session3/errors)
[INFO] [stderr]    Compiling shared_data v0.1.0 (/opt/rustwide/workdir/foundations/session5/shared_data)
[INFO] [stderr]    Compiling tcpserver v0.1.0 (/opt/rustwide/workdir/foundations/session3/tcpserver)
[INFO] [stderr]    Compiling collector_server v0.1.0 (/opt/rustwide/workdir/foundations/session5/collector_server)
[INFO] [stdout] warning: static `HIGH_COUNT` is never used
[INFO] [stdout]  --> foundations/session2/tprio/src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static HIGH_COUNT: AtomicI32 = AtomicI32::new(0);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn one() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | async fn two() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_one_of_them` is never used
[INFO] [stdout]   --> foundations/session3/pinning/src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | async fn call_one_of_them(n:u32) -> Pin<Box<dyn Future<Output = ()>>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling db v0.1.0 (/opt/rustwide/workdir/foundations/session4/db)
[INFO] [stderr]    Compiling fileio v0.1.0 (/opt/rustwide/workdir/foundations/session3/fileio)
[INFO] [stdout] warning: fields `latitude`, `longitude`, and `current_weather` are never read
[INFO] [stdout]  --> foundations/session3/restclient/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Weather {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 6 |     latitude: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     longitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     current_weather: CurrentWeather,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Weather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `temperature` and `windspeed` are never read
[INFO] [stdout]   --> foundations/session3/restclient/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CurrentWeather {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 13 |     temperature: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     windspeed: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CurrentWeather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling authentication v0.1.0 (/opt/rustwide/workdir/foundations/session1/authentication)
[INFO] [stderr]    Compiling tokio_testing v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_testing)
[INFO] [stderr]    Compiling async_mutex v0.1.0 (/opt/rustwide/workdir/foundations/session3/async_mutex)
[INFO] [stderr]    Compiling tokio_select_broadcast v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_select_broadcast)
[INFO] [stdout] warning: fields `id` and `message` are never read
[INFO] [stdout]  --> foundations/session4/db/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Message {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 7 |     id: i64,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio_select v0.1.0 (/opt/rustwide/workdir/foundations/session3/tokio_select)
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]  --> foundations/session3/fileio/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_count` is never used
[INFO] [stdout]   --> foundations/session3/fileio/src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | async fn line_count(filename: String) -> io::Result<usize> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blocking v0.1.0 (/opt/rustwide/workdir/foundations/session3/blocking)
[INFO] [stderr]    Compiling hello_tokio v0.1.0 (/opt/rustwide/workdir/foundations/session3/hello_tokio)
[INFO] [stderr]    Compiling async_channels v0.1.0 (/opt/rustwide/workdir/foundations/session3/async_channels)
[INFO] [stderr]    Compiling rwlocks v0.1.0 (/opt/rustwide/workdir/foundations/session2/rwlocks)
[INFO] [stderr]    Compiling threadpool v0.1.0 (/opt/rustwide/workdir/foundations/session2/threadpool)
[INFO] [stderr]    Compiling dropping v0.1.0 (/opt/rustwide/workdir/foundations/session4/dropping)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/foundations/session4/traits)
[INFO] [stderr]    Compiling save_dynamic_bytes v0.1.0 (/opt/rustwide/workdir/foundations/session4/save_dynamic_bytes)
[INFO] [stderr]    Compiling mutexes v0.1.0 (/opt/rustwide/workdir/foundations/session2/mutexes)
[INFO] [stderr]    Compiling divide_work v0.1.0 (/opt/rustwide/workdir/foundations/session2/divide_work)
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/foundations/session2/hello)
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> foundations/session4/traits/src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, rc::Rc};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animal`
[INFO] [stdout]   --> foundations/session4/traits/src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let animal = get_animal(); // impl Animal for Cat
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_animal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DebuggableClonableAnimal` is never used
[INFO] [stdout]   --> foundations/session4/traits/src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait DebuggableClonableAnimal: Animal+Debug+Clone {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling external_arc_mutex v0.1.0 (/opt/rustwide/workdir/foundations/session4/external_arc_mutex)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> foundations/session2/mutexes/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..10 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/foundations/session1/hello_world)
[INFO] [stderr]    Compiling atomicrefcount v0.1.0 (/opt/rustwide/workdir/foundations/session4/atomicrefcount)
[INFO] [stderr]    Compiling scoped_threads v0.1.0 (/opt/rustwide/workdir/foundations/session2/scoped_threads)
[INFO] [stderr]    Compiling smart_pointer v0.1.0 (/opt/rustwide/workdir/foundations/session4/smart_pointer)
[INFO] [stderr]    Compiling thread_builder v0.1.0 (/opt/rustwide/workdir/foundations/session2/thread_builder)
[INFO] [stderr]    Compiling channels v0.1.0 (/opt/rustwide/workdir/foundations/session2/channels)
[INFO] [stderr]    Compiling refcount v0.1.0 (/opt/rustwide/workdir/foundations/session4/refcount)
[INFO] [stderr]    Compiling operator_overloading v0.1.0 (/opt/rustwide/workdir/foundations/session4/operator_overloading)
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir/foundations/session4/generics_and_iterators)
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir/foundations/session4/linked_list)
[INFO] [stderr]    Compiling deadlocks v0.1.0 (/opt/rustwide/workdir/foundations/session2/deadlocks)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/foundations/session1/variables)
[INFO] [stderr]    Compiling parking v0.1.0 (/opt/rustwide/workdir/foundations/session2/parking)
[INFO] [stderr]    Compiling internal_arc_mutex v0.1.0 (/opt/rustwide/workdir/foundations/session4/internal_arc_mutex)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> foundations/session4/linked_list/src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stdout]    |     ------ ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stdout] 14 +     Strong(()), // Strong reference to the next node, which increases the 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> foundations/session4/linked_list/src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout]    |     ---- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout] 16 +     Weak(()), // Weak reference to the next node, which does not increase the reference
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling workers v0.1.0 (/opt/rustwide/workdir/foundations/session2/workers)
[INFO] [stderr]    Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/foundations/session4/lifetimes)
[INFO] [stderr]    Compiling refcell v0.1.0 (/opt/rustwide/workdir/foundations/session4/refcell)
[INFO] [stderr]    Compiling footgun v0.1.0 (/opt/rustwide/workdir/foundations/session2/footgun)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> foundations/session4/generics_and_iterators/src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> HashMapBucketIter<K, V> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> HashMapBucketIter<'_, K, V> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "98c8e824239397f77b7921a4173133eaa09381b895b0884c0afd9df04d398024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c8e824239397f77b7921a4173133eaa09381b895b0884c0afd9df04d398024", kill_on_drop: false }`
[INFO] [stdout] 98c8e824239397f77b7921a4173133eaa09381b895b0884c0afd9df04d398024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68021970a4e6298d19cebec4687937d2e151ed463a2c7e9a9e1f36cb7b0fa8d2
[INFO] running `Command { std: "docker" "start" "-a" "68021970a4e6298d19cebec4687937d2e151ed463a2c7e9a9e1f36cb7b0fa8d2", kill_on_drop: false }`
[INFO] [stderr] warning: fields `latitude`, `longitude`, and `current_weather` are never read
[INFO] [stderr]  --> foundations/session3/restclient/src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Weather {
[INFO] [stderr]   |        ------- fields in this struct
[INFO] [stderr] 6 |     latitude: f64,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 7 |     longitude: f64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 8 |     current_weather: CurrentWeather,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Weather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `temperature` and `windspeed` are never read
[INFO] [stderr]   --> foundations/session3/restclient/src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct CurrentWeather {
[INFO] [stderr]    |        -------------- fields in this struct
[INFO] [stderr] 13 |     temperature: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 14 |     windspeed: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CurrentWeather` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `restclient` (bin "restclient" test) generated 2 warnings
[INFO] [stderr] warning: static `HIGH_COUNT` is never used
[INFO] [stderr]  --> foundations/session2/tprio/src/main.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | static HIGH_COUNT: AtomicI32 = AtomicI32::new(0);
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `message` are never read
[INFO] [stderr]  --> foundations/session4/db/src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Message {
[INFO] [stderr]   |        ------- fields in this struct
[INFO] [stderr] 7 |     id: i64,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 8 |     message: String,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `one` is never used
[INFO] [stderr]   --> foundations/session3/pinning/src/main.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | async fn one() {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `two` is never used
[INFO] [stderr]   --> foundations/session3/pinning/src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | async fn two() {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `call_one_of_them` is never used
[INFO] [stderr]   --> foundations/session3/pinning/src/main.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | async fn call_one_of_them(n:u32) -> Pin<Box<dyn Future<Output = ()>>> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tprio` (bin "tprio" test) generated 1 warning
[INFO] [stderr] warning: `db` (bin "db" test) generated 1 warning
[INFO] [stderr] warning: `pinning` (bin "pinning" test) generated 3 warnings
[INFO] [stderr] warning: function `read_lines` is never used
[INFO] [stderr]  --> foundations/session3/fileio/src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `line_count` is never used
[INFO] [stderr]   --> foundations/session3/fileio/src/main.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 | async fn line_count(filename: String) -> io::Result<usize> {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fileio` (bin "fileio" test) generated 2 warnings
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> foundations/session2/mutexes/src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in 0..10 {
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mutexes` (bin "mutexes" test) generated 1 warning (run `cargo fix --bin "mutexes" -p mutexes --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `rc::Rc`
[INFO] [stderr]  --> foundations/session4/traits/src/main.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fmt::Debug, rc::Rc};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `animal`
[INFO] [stderr]   --> foundations/session4/traits/src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let animal = get_animal(); // impl Animal for Cat
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_animal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `DebuggableClonableAnimal` is never used
[INFO] [stderr]   --> foundations/session4/traits/src/main.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 | trait DebuggableClonableAnimal: Animal+Debug+Clone {}
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> foundations/session4/linked_list/src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stderr]    |     ------ ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 14 -     Strong(Rc<Node>), // Strong reference to the next node, which increases the 
[INFO] [stderr] 14 +     Strong(()), // Strong reference to the next node, which increases the 
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> foundations/session4/linked_list/src/main.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stderr]    |     ---- ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 16 -     Weak(Weak<Node>), // Weak reference to the next node, which does not increase the reference
[INFO] [stderr] 16 +     Weak(()), // Weak reference to the next node, which does not increase the reference
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> foundations/session4/generics_and_iterators/src/main.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn iter(&self) -> HashMapBucketIter<K, V> {
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn iter(&self) -> HashMapBucketIter<'_, K, V> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (bin "traits" test) generated 3 warnings (run `cargo fix --bin "traits" -p traits --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `linked_list` (bin "linked_list" test) generated 2 warnings
[INFO] [stderr] warning: `generics` (bin "generics" test) generated 1 warning (run `cargo fix --bin "generics" -p generics --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/affinity-457154b07645d7c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_channels-343d9b2c64fda311)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_mutex-43a8fbe7bd10e5ba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/atomicrefcount-7f80b5796b510aaa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/authentication-4d6cf1fafec55337)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_greet_user ... ok
[INFO] [stdout] test tests::test_login ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_login stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_login' (22) panicked at foundations/session1/authentication/src/lib.rs:94:48:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654163e6429a - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654163e6429a - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654163e6429a - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654163e6429a - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654163e7949a - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654163e7949a - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stdout]    6:     0x654163e68bd2 - std[ec4e911328de40a6]::io::default_write_fmt::<alloc[c960326de6de28e6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654163e68bd2 - <alloc[c960326de6de28e6]::vec::Vec<u8> as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654163e42f9f - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654163e42f9f - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654163e5c339 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654163dea46c - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654163dea46c - test[30c43f9fd66fea90]::test_main_with_exit_callback::<test[30c43f9fd66fea90]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654163e5c4f2 - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654163e5c4f2 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654163e43058 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654163e3a879 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654163e43d6d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654163e79c2c - core[a96a4c5c53f902a3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654163e799a2 - core[a96a4c5c53f902a3]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654163db6c15 - <core[a96a4c5c53f902a3]::result::Result<(), std[ec4e911328de40a6]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654163db6c15 - authentication[8d6d716640ef67a1]::get_users
[INFO] [stdout]                                at /opt/rustwide/workdir/foundations/session1/authentication/src/lib.rs:94:48
[INFO] [stdout]   22:     0x654163db6771 - authentication[8d6d716640ef67a1]::login
[INFO] [stdout]                                at /opt/rustwide/workdir/foundations/session1/authentication/src/lib.rs:108:40
[INFO] [stdout]   23:     0x654163dac5e4 - authentication[8d6d716640ef67a1]::tests::test_login
[INFO] [stdout]                                at /opt/rustwide/workdir/foundations/session1/authentication/src/lib.rs:164:66
[INFO] [stdout]   24:     0x654163dab297 - authentication[8d6d716640ef67a1]::tests::test_login::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/foundations/session1/authentication/src/lib.rs:163:20
[INFO] [stdout]   25:     0x654163daef16 - <authentication[8d6d716640ef67a1]::tests::test_login::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x654163dde54b - <fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x654163dde54b - test[30c43f9fd66fea90]::__rust_begin_short_backtrace::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x654163deaf3b - test[30c43f9fd66fea90]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x654163deaf3b - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   30:     0x654163deaf3b - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x654163deaf3b - std[ec4e911328de40a6]::panicking::catch_unwind::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x654163deaf3b - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x654163deaf3b - test[30c43f9fd66fea90]::run_test_in_process
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x654163deaf3b - test[30c43f9fd66fea90]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x654163de6654 - test[30c43f9fd66fea90]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x654163de6654 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x654163dedb42 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x654163dedb42 - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   39:     0x654163dedb42 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x654163dedb42 - std[ec4e911328de40a6]::panicking::catch_unwind::<(), core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x654163dedb42 - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x654163dedb42 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x654163dedb42 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x654163e6368f - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   45:     0x654163e6368f - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   46:     0x775c26d15aa4 - <unknown>
[INFO] [stdout]   47:     0x775c26da2a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_login
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p authentication --lib`
[INFO] running `Command { std: "docker" "inspect" "68021970a4e6298d19cebec4687937d2e151ed463a2c7e9a9e1f36cb7b0fa8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68021970a4e6298d19cebec4687937d2e151ed463a2c7e9a9e1f36cb7b0fa8d2", kill_on_drop: false }`
[INFO] [stdout] 68021970a4e6298d19cebec4687937d2e151ed463a2c7e9a9e1f36cb7b0fa8d2
