[INFO] updating cached repository https://github.com/thomascharbonnel/aaaaaaaaaaaa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a3f90df35e9e0c537a1cc67e483f47b4342c9c0 [INFO] testing thomascharbonnel/aaaaaaaaaaaa/6a3f90df35e9e0c537a1cc67e483f47b4342c9c0 against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomascharbonnel%2Faaaaaaaaaaaa" "/workspace/builds/worker-47/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomascharbonnel/aaaaaaaaaaaa on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thomascharbonnel/aaaaaaaaaaaa [INFO] finished tweaking git repo https://github.com/thomascharbonnel/aaaaaaaaaaaa [INFO] tweaked toml for git repo https://github.com/thomascharbonnel/aaaaaaaaaaaa written to /workspace/builds/worker-47/source/Cargo.toml [INFO] crate git repo https://github.com/thomascharbonnel/aaaaaaaaaaaa already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71c0bc291026db3662f29ce17d88d01495194633ad1d2fa3779533f119f82fa1 [INFO] running `Command { std: "docker" "start" "-a" "71c0bc291026db3662f29ce17d88d01495194633ad1d2fa3779533f119f82fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71c0bc291026db3662f29ce17d88d01495194633ad1d2fa3779533f119f82fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71c0bc291026db3662f29ce17d88d01495194633ad1d2fa3779533f119f82fa1", kill_on_drop: false }` [INFO] [stdout] 71c0bc291026db3662f29ce17d88d01495194633ad1d2fa3779533f119f82fa1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5676600095fe4a3ddde3c566b1b4248072cb5738eaea5fed47ed079f3a3c7b8 [INFO] running `Command { std: "docker" "start" "-a" "c5676600095fe4a3ddde3c566b1b4248072cb5738eaea5fed47ed079f3a3c7b8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling httpdate v1.0.1 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling ipnet v2.3.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling tracing-core v0.1.18 [INFO] [stderr] Compiling unicode-bidi v0.3.5 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling tokio v1.8.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling http v0.2.4 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling http-body v0.4.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling tokio-util v0.6.7 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling h2 v0.3.3 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling hyper v0.14.10 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.4 [INFO] [stderr] Compiling rust_training v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level6.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level4.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level7.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `duration` [INFO] [stdout] --> src/bin/level4.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | duration: Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/level4.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number_of_bytes` [INFO] [stdout] --> src/bin/level4.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | number_of_bytes: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/level4.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `aggregate` [INFO] [stdout] --> src/bin/level4.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn aggregate(&mut self, other: &Stats) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bytes_per_sec` [INFO] [stdout] --> src/bin/level4.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn bytes_per_sec(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level5.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/level8.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `initialStat` should have a snake case name [INFO] [stdout] --> src/bin/level5.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let initialStat = Stats { duration: Duration::new(0, 0), number_of_bytes: 0 }; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `initial_stat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.37s [INFO] running `Command { std: "docker" "inspect" "c5676600095fe4a3ddde3c566b1b4248072cb5738eaea5fed47ed079f3a3c7b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5676600095fe4a3ddde3c566b1b4248072cb5738eaea5fed47ed079f3a3c7b8", kill_on_drop: false }` [INFO] [stdout] c5676600095fe4a3ddde3c566b1b4248072cb5738eaea5fed47ed079f3a3c7b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3630a7c85edf9b33a367bbf8528605e96a91aa9ead1a255bc63bb388bdb81afd [INFO] running `Command { std: "docker" "start" "-a" "3630a7c85edf9b33a367bbf8528605e96a91aa9ead1a255bc63bb388bdb81afd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_training v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level6.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level4.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level7.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level5.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::StatusCode` [INFO] [stdout] --> src/bin/level8.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest::StatusCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `duration` [INFO] [stdout] --> src/bin/level4.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | duration: Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/level4.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number_of_bytes` [INFO] [stdout] --> src/bin/level4.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | number_of_bytes: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/level4.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `aggregate` [INFO] [stdout] --> src/bin/level4.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn aggregate(&mut self, other: &Stats) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bytes_per_sec` [INFO] [stdout] --> src/bin/level4.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn bytes_per_sec(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `initialStat` should have a snake case name [INFO] [stdout] --> src/bin/level5.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let initialStat = Stats { duration: Duration::new(0, 0), number_of_bytes: 0 }; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `initial_stat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/level8.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 19.10s [INFO] [stderr] Executable unittests src/bin/level0.rs (/opt/rustwide/target/debug/deps/level0-83032d63554fc835) [INFO] [stderr] Executable unittests src/bin/level1.rs (/opt/rustwide/target/debug/deps/level1-396da3677b6a591c) [INFO] [stderr] Executable unittests src/bin/level2.rs (/opt/rustwide/target/debug/deps/level2-48593abe396fb66f) [INFO] [stderr] Executable unittests src/bin/level3.rs (/opt/rustwide/target/debug/deps/level3-09471240b3b369cf) [INFO] [stderr] Executable unittests src/bin/level4.rs (/opt/rustwide/target/debug/deps/level4-25618af07fb9efb1) [INFO] [stderr] Executable unittests src/bin/level5.rs (/opt/rustwide/target/debug/deps/level5-b6e3938cc2079e73) [INFO] [stderr] Executable unittests src/bin/level6.rs (/opt/rustwide/target/debug/deps/level6-015a4adb05ac1115) [INFO] [stderr] Executable unittests src/bin/level7.rs (/opt/rustwide/target/debug/deps/level7-3c3a12540e309d7e) [INFO] [stderr] Executable unittests src/bin/level8.rs (/opt/rustwide/target/debug/deps/level8-220b7a95215f8376) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_training-fcf8fafbb75e2867) [INFO] running `Command { std: "docker" "inspect" "3630a7c85edf9b33a367bbf8528605e96a91aa9ead1a255bc63bb388bdb81afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3630a7c85edf9b33a367bbf8528605e96a91aa9ead1a255bc63bb388bdb81afd", kill_on_drop: false }` [INFO] [stdout] 3630a7c85edf9b33a367bbf8528605e96a91aa9ead1a255bc63bb388bdb81afd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 17410470d828bb6af4de7642c5c4231868089a505a87623ae7549865be258bc0 [INFO] running `Command { std: "docker" "start" "-a" "17410470d828bb6af4de7642c5c4231868089a505a87623ae7549865be258bc0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `reqwest::StatusCode` [INFO] [stderr] --> src/bin/level8.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use reqwest::StatusCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/level8.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `reqwest::StatusCode` [INFO] [stderr] --> src/bin/level4.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use reqwest::StatusCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `duration` [INFO] [stderr] --> src/bin/level4.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | duration: Duration, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/level4.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `number_of_bytes` [INFO] [stderr] --> src/bin/level4.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | number_of_bytes: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Stats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/level4.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `aggregate` [INFO] [stderr] --> src/bin/level4.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | fn aggregate(&mut self, other: &Stats) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `bytes_per_sec` [INFO] [stderr] --> src/bin/level4.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | fn bytes_per_sec(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `reqwest::StatusCode` [INFO] [stderr] --> src/bin/level7.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use reqwest::StatusCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `reqwest::StatusCode` [INFO] [stderr] --> src/bin/level5.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use reqwest::StatusCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `initialStat` should have a snake case name [INFO] [stderr] --> src/bin/level5.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let initialStat = Stats { duration: Duration::new(0, 0), number_of_bytes: 0 }; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `initial_stat` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `reqwest::StatusCode` [INFO] [stderr] --> src/bin/level6.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use reqwest::StatusCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_training` (bin "level8" test) generated 2 warnings [INFO] [stderr] warning: `rust_training` (bin "level4" test) generated 5 warnings [INFO] [stderr] warning: `rust_training` (bin "level7" test) generated 1 warning [INFO] [stderr] warning: `rust_training` (bin "level5" test) generated 2 warnings [INFO] [stderr] warning: `rust_training` (bin "level6" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/bin/level0.rs (/opt/rustwide/target/debug/deps/level0-83032d63554fc835) [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/level1.rs (/opt/rustwide/target/debug/deps/level1-396da3677b6a591c) [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/level2.rs (/opt/rustwide/target/debug/deps/level2-48593abe396fb66f) [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 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/level3.rs (/opt/rustwide/target/debug/deps/level3-09471240b3b369cf) [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/level4.rs (/opt/rustwide/target/debug/deps/level4-25618af07fb9efb1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/level5.rs (/opt/rustwide/target/debug/deps/level5-b6e3938cc2079e73) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/level6.rs (/opt/rustwide/target/debug/deps/level6-015a4adb05ac1115) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::aggregate ... ok [INFO] [stdout] test tests::aggregate_with_zero ... ok [INFO] [stdout] test tests::bytes_per_sec ... ok [INFO] [stdout] test tests::bytes_per_sec_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/level7.rs (/opt/rustwide/target/debug/deps/level7-3c3a12540e309d7e) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::aggregate ... ok [INFO] [stdout] test tests::aggregate_with_zero ... ok [INFO] [stdout] test tests::bytes_per_sec ... ok [INFO] [stdout] test tests::bytes_per_sec_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/level8.rs (/opt/rustwide/target/debug/deps/level8-220b7a95215f8376) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_training-fcf8fafbb75e2867) [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::aggregate ... ok [INFO] [stdout] test tests::aggregate_with_zero ... ok [INFO] [stdout] test tests::bytes_per_sec ... ok [INFO] [stdout] test tests::bytes_per_sec_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "17410470d828bb6af4de7642c5c4231868089a505a87623ae7549865be258bc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17410470d828bb6af4de7642c5c4231868089a505a87623ae7549865be258bc0", kill_on_drop: false }` [INFO] [stdout] 17410470d828bb6af4de7642c5c4231868089a505a87623ae7549865be258bc0