[INFO] cloning repository https://github.com/amadare42/rust-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amadare42/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famadare42%2Frust-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famadare42%2Frust-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc79af74b2f965f1079d2cd1caf84f0004b45041 [INFO] testing amadare42/rust-exercises against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famadare42%2Frust-exercises" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amadare42/rust-exercises on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/amadare42/rust-exercises [INFO] finished tweaking git repo https://github.com/amadare42/rust-exercises [INFO] tweaked toml for git repo https://github.com/amadare42/rust-exercises written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/amadare42/rust-exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 backtrace v0.3.43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4f78706bca6b7e0f4ec3961f4e94128443b5b131c4bc3516586bf5545d9f26d [INFO] running `Command { std: "docker" "start" "-a" "b4f78706bca6b7e0f4ec3961f4e94128443b5b131c4bc3516586bf5545d9f26d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4f78706bca6b7e0f4ec3961f4e94128443b5b131c4bc3516586bf5545d9f26d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4f78706bca6b7e0f4ec3961f4e94128443b5b131c4bc3516586bf5545d9f26d", kill_on_drop: false }` [INFO] [stdout] b4f78706bca6b7e0f4ec3961f4e94128443b5b131c4bc3516586bf5545d9f26d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d7ce4c4cef42013461fa68799e09642995d3fae85616090273b52d331f41e23 [INFO] running `Command { std: "docker" "start" "-a" "4d7ce4c4cef42013461fa68799e09642995d3fae85616090273b52d331f41e23", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling smallvec v0.4.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling backtrace v0.3.43 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling ferris-says v0.1.1 [INFO] [stderr] Compiling foodbot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `avg` [INFO] [stdout] --> src/collections.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: `median` [INFO] [stdout] --> src/collections.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: `mode` [INFO] [stdout] --> src/collections.rs:57:44 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.99s [INFO] running `Command { std: "docker" "inspect" "4d7ce4c4cef42013461fa68799e09642995d3fae85616090273b52d331f41e23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d7ce4c4cef42013461fa68799e09642995d3fae85616090273b52d331f41e23", kill_on_drop: false }` [INFO] [stdout] 4d7ce4c4cef42013461fa68799e09642995d3fae85616090273b52d331f41e23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2211097a08bff029f86bf7a0cef3b0bdb63ce8bf11f99d5f6032c3994bb17e3 [INFO] running `Command { std: "docker" "start" "-a" "c2211097a08bff029f86bf7a0cef3b0bdb63ce8bf11f99d5f6032c3994bb17e3", kill_on_drop: false }` [INFO] [stderr] Compiling foodbot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `avg` [INFO] [stdout] --> src/collections.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: `median` [INFO] [stdout] --> src/collections.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: `mode` [INFO] [stdout] --> src/collections.rs:57:44 [INFO] [stdout] | [INFO] [stdout] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/collections.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "c2211097a08bff029f86bf7a0cef3b0bdb63ce8bf11f99d5f6032c3994bb17e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2211097a08bff029f86bf7a0cef3b0bdb63ce8bf11f99d5f6032c3994bb17e3", kill_on_drop: false }` [INFO] [stdout] c2211097a08bff029f86bf7a0cef3b0bdb63ce8bf11f99d5f6032c3994bb17e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3f03b3a3d7d9f398c5bf6189bc66dce5bd19f6c66b4baee899b3ad824fbc7bbd [INFO] running `Command { std: "docker" "start" "-a" "3f03b3a3d7d9f398c5bf6189bc66dce5bd19f6c66b4baee899b3ad824fbc7bbd", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: field is never read: `avg` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/collections.rs:57:21 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/collections.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[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: `median` [INFO] [stderr] --> src/collections.rs:57:31 [INFO] [stderr] | [INFO] [stderr] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/collections.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[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: `mode` [INFO] [stderr] --> src/collections.rs:57:44 [INFO] [stderr] | [INFO] [stderr] 57 | struct ListResult { avg: i32, median: i32, mode: i32 } [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ListResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/collections.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[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: `foodbot` (bin "foodbot" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/foodbot-94c84773682e1f52) [INFO] running `Command { std: "docker" "inspect" "3f03b3a3d7d9f398c5bf6189bc66dce5bd19f6c66b4baee899b3ad824fbc7bbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f03b3a3d7d9f398c5bf6189bc66dce5bd19f6c66b4baee899b3ad824fbc7bbd", kill_on_drop: false }` [INFO] [stdout] 3f03b3a3d7d9f398c5bf6189bc66dce5bd19f6c66b4baee899b3ad824fbc7bbd