[INFO] cloning repository https://github.com/Benji19967/rust_sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Benji19967/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dae9b7414c44779c79b78f76ad8ab472b2f727ad [INFO] testing Benji19967/rust_sandbox against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Benji19967/rust_sandbox [INFO] finished tweaking git repo https://github.com/Benji19967/rust_sandbox [INFO] tweaked toml for git repo https://github.com/Benji19967/rust_sandbox written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Benji19967/rust_sandbox on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Benji19967/rust_sandbox already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap v4.4.3 [INFO] [stderr] Downloaded clap_lex v0.5.1 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded anstyle v1.0.3 [INFO] [stderr] Downloaded clap_derive v4.4.2 [INFO] [stderr] Downloaded openssl-sys v0.9.93 [INFO] [stderr] Downloaded criterion v0.4.0 [INFO] [stderr] Downloaded reqwest v0.11.20 [INFO] [stderr] Downloaded clap_builder v4.4.2 [INFO] [stderr] Downloaded openssl v0.10.57 [INFO] [stderr] Downloaded syn v2.0.32 [INFO] [stderr] Downloaded rustix v0.38.14 [INFO] [stderr] Downloaded linux-raw-sys v0.4.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4066565d62e5aa3febc78c6a26052117b0e8dd40ece40a157ac191f531a1acfd [INFO] running `Command { std: "docker" "start" "-a" "4066565d62e5aa3febc78c6a26052117b0e8dd40ece40a157ac191f531a1acfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4066565d62e5aa3febc78c6a26052117b0e8dd40ece40a157ac191f531a1acfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4066565d62e5aa3febc78c6a26052117b0e8dd40ece40a157ac191f531a1acfd", kill_on_drop: false }` [INFO] [stdout] 4066565d62e5aa3febc78c6a26052117b0e8dd40ece40a157ac191f531a1acfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98ba48d9f1a393f1c6600ef07940984702076610d4c88642aee923b9d7f98f3d [INFO] running `Command { std: "docker" "start" "-a" "98ba48d9f1a393f1c6600ef07940984702076610d4c88642aee923b9d7f98f3d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling openssl v0.10.57 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling bitflags v2.4.0 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling try-lock v0.2.4 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling http v0.2.9 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling aho-corasick v1.1.1 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling encoding_rs v0.8.33 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling base64 v0.21.4 [INFO] [stderr] Compiling ipnet v2.8.0 [INFO] [stderr] Compiling socket2 v0.5.4 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling tokio v1.32.0 [INFO] [stderr] Compiling url v2.4.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling clap_builder v4.4.2 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling openssl-sys v0.9.93 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling tokio-util v0.7.9 [INFO] [stderr] Compiling regex v1.9.5 [INFO] [stderr] Compiling h2 v0.3.21 [INFO] [stderr] Compiling clap v4.4.3 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling hyper v0.14.27 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.20 [INFO] [stderr] Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todos` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Todos { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todo` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Todo { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TodosIterator` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct TodosIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/my_own_iterators.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Todos { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/my_own_iterators.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [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] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/macros_examples.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut v = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 63 | let s: Vec<&str> = vec_strs![]; [INFO] [stdout] | ----------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/my_enums.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | Write(String), // Tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] 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] 24 - Write(String), // Tuple struct [INFO] [stdout] 24 + Write(()), // Tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:64:18 [INFO] [stdout] | [INFO] [stdout] 64 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.26s [INFO] running `Command { std: "docker" "inspect" "98ba48d9f1a393f1c6600ef07940984702076610d4c88642aee923b9d7f98f3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ba48d9f1a393f1c6600ef07940984702076610d4c88642aee923b9d7f98f3d", kill_on_drop: false }` [INFO] [stdout] 98ba48d9f1a393f1c6600ef07940984702076610d4c88642aee923b9d7f98f3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6da7489474fa528a219d3e739d817ddf6636b008f9703c68768c031697adb7c2 [INFO] running `Command { std: "docker" "start" "-a" "6da7489474fa528a219d3e739d817ddf6636b008f9703c68768c031697adb7c2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling os_str_bytes v6.5.1 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling ciborium-io v0.2.1 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling walkdir v2.4.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling plotters-svg v0.3.5 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling ciborium-ll v0.2.1 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling ciborium v0.2.1 [INFO] [stderr] Compiling reqwest v0.11.20 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.4.0 [INFO] [stderr] Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todos` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Todos { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todo` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Todo { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TodosIterator` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct TodosIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/my_own_iterators.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Todos { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/my_own_iterators.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [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] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/macros_examples.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut v = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 63 | let s: Vec<&str> = vec_strs![]; [INFO] [stdout] | ----------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/my_enums.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | Write(String), // Tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] 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] 24 - Write(String), // Tuple struct [INFO] [stdout] 24 + Write(()), // Tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:64:18 [INFO] [stdout] | [INFO] [stdout] 64 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/my_own_iterators.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [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] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 22.32s [INFO] running `Command { std: "docker" "inspect" "6da7489474fa528a219d3e739d817ddf6636b008f9703c68768c031697adb7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da7489474fa528a219d3e739d817ddf6636b008f9703c68768c031697adb7c2", kill_on_drop: false }` [INFO] [stdout] 6da7489474fa528a219d3e739d817ddf6636b008f9703c68768c031697adb7c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ba7c62ab34e23c8ff575e4601937b081ec80637395212397949dc130f885c903 [INFO] running `Command { std: "docker" "start" "-a" "ba7c62ab34e23c8ff575e4601937b081ec80637395212397949dc130f885c903", kill_on_drop: false }` [INFO] [stderr] warning: struct `Counter` is never constructed [INFO] [stderr] --> src/my_own_iterators.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Counter { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Todos` is never constructed [INFO] [stderr] --> src/my_own_iterators.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | struct Todos { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Todo` is never constructed [INFO] [stderr] --> src/my_own_iterators.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | struct Todo { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `TodosIterator` is never constructed [INFO] [stderr] --> src/my_own_iterators.rs:37:8 [INFO] [stderr] | [INFO] [stderr] 37 | struct TodosIterator<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `iter` is never used [INFO] [stderr] --> src/my_own_iterators.rs:56:8 [INFO] [stderr] | [INFO] [stderr] 55 | impl Todos { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] 56 | fn iter(&self) -> TodosIterator { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/my_own_iterators.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | fn iter(&self) -> TodosIterator { [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] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rust_sandbox` (lib) generated 6 warnings (run `cargo fix --lib -p rust_sandbox` to apply 1 suggestion) [INFO] [stderr] warning: `rust_sandbox` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/my_enums.rs:24:15 [INFO] [stderr] | [INFO] [stderr] 24 | Write(String), // Tuple struct [INFO] [stderr] | ----- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [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] 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] 24 - Write(String), // Tuple struct [INFO] [stderr] 24 + Write(()), // Tuple struct [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/my_structs.rs:64:18 [INFO] [stderr] | [INFO] [stderr] 64 | struct Color(i32, i32, i32); [INFO] [stderr] | ----- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/my_structs.rs:65:18 [INFO] [stderr] | [INFO] [stderr] 65 | struct Point(i32, i32, i32); [INFO] [stderr] | ----- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/macros_examples.rs:35:17 [INFO] [stderr] | [INFO] [stderr] 35 | let mut v = Vec::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 63 | let s: Vec<&str> = vec_strs![]; [INFO] [stderr] | ----------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust_sandbox` (bin "rust_sandbox" test) generated 3 warnings [INFO] [stderr] warning: `rust_sandbox` (bin "macros_examples" test) generated 1 warning (run `cargo fix --bin "macros_examples" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_sandbox-d5f903eae13cf696) [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test my_errors::tests::double_five ... ok [INFO] [stdout] test my_errors::tests::double_six ... ok [INFO] [stdout] test my_errors::tests::get_result ... ok [INFO] [stdout] test my_errors::tests::get_five ... ok [INFO] [stdout] test my_errors::tests::get_some ... ok [INFO] [stdout] test my_errors::tests::get_none ... ok [INFO] [stdout] test my_errors::tests::unwrap_result ... ok [INFO] [stdout] test my_iterators::tests::double_vector ... ok [INFO] [stdout] test my_iterators::tests::vector_sum ... ok [INFO] [stdout] test my_iterators::tests::iterate_a_vector_sum ... ok [INFO] [stdout] test my_own_iterators::tests::call_next_on_iterator ... ok [INFO] [stdout] test my_json::tests::read_json ... ok [INFO] [stdout] test my_own_iterators::tests::call_next_on_todos ... ok [INFO] [stdout] test my_own_iterators::tests::collect_iterator ... ok [INFO] [stdout] test my_own_iterators::tests::collect_todos ... ok [INFO] [stdout] test my_own_iterators::tests::take_some_from_iterator ... ok [INFO] [stdout] test my_json::tests::read_json_to_struct ... ok [INFO] [stdout] test my_own_iterators::tests::call_next_on_iterator2 ... ok [INFO] [stdout] test my_regex::tests::find1 ... ok [INFO] [stdout] test my_regex::tests::find_iter1 ... ok [INFO] [stdout] test my_regex::tests::find2 ... ok [INFO] [stdout] test my_regex::tests::find_iter2 ... ok [INFO] [stdout] test my_regex::tests::is_match1 ... ok [INFO] [stdout] test my_regex::tests::is_match2 ... ok [INFO] [stdout] test my_regex::tests::captures2 ... ok [INFO] [stdout] test my_regex::tests::captures1 ... ok [INFO] [stdout] test my_errors::tests::assert_panicked - should panic ... ok [INFO] [stdout] test my_errors::tests::parse_five ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/macros_examples.rs (/opt/rustwide/target/debug/deps/macros_examples-2a086d0076bf0f4c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sandbox-2233205eae9b6b6a) [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] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test my_functions::tests::adding_one ... ok [INFO] [stdout] test my_functions::tests::fibonacci_numbers ... ok [INFO] [stdout] test my_functions::tests::five_is_five ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/threads.rs (/opt/rustwide/target/debug/deps/threads-1b93c820d8af911c) [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/bin/threads_web.rs (/opt/rustwide/target/debug/deps/threads_web-97d9ecf0b285a043) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Doc-tests rust_sandbox [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "ba7c62ab34e23c8ff575e4601937b081ec80637395212397949dc130f885c903", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7c62ab34e23c8ff575e4601937b081ec80637395212397949dc130f885c903", kill_on_drop: false }` [INFO] [stdout] ba7c62ab34e23c8ff575e4601937b081ec80637395212397949dc130f885c903