[INFO] cloning repository https://github.com/fedormatantsev/rust-components-prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fedormatantsev/rust-components-prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedormatantsev%2Frust-components-prototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedormatantsev%2Frust-components-prototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39306dd55e34a6afb9b5c648fa539adc56daed80
[INFO] building fedormatantsev/rust-components-prototype against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedormatantsev%2Frust-components-prototype" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fedormatantsev/rust-components-prototype
[INFO] finished tweaking git repo https://github.com/fedormatantsev/rust-components-prototype
[INFO] tweaked toml for git repo https://github.com/fedormatantsev/rust-components-prototype written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fedormatantsev/rust-components-prototype on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fedormatantsev/rust-components-prototype 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded redox_syscall v0.2.11
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33340e2eee617d086ce90ee67cca82b4231810e36a754ed02d94bcec5e4a20ff
[INFO] running `Command { std: "docker" "start" "-a" "33340e2eee617d086ce90ee67cca82b4231810e36a754ed02d94bcec5e4a20ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33340e2eee617d086ce90ee67cca82b4231810e36a754ed02d94bcec5e4a20ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33340e2eee617d086ce90ee67cca82b4231810e36a754ed02d94bcec5e4a20ff", kill_on_drop: false }`
[INFO] [stdout] 33340e2eee617d086ce90ee67cca82b4231810e36a754ed02d94bcec5e4a20ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 377bfdf15e4c59e9e3b8401c18905ba748b4fbd4ed55d4f4ac84a973ac3ce3a3
[INFO] running `Command { std: "docker" "start" "-a" "377bfdf15e4c59e9e3b8401c18905ba748b4fbd4ed55d4f4ac84a973ac3ce3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rust-components v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.72s
[INFO] running `Command { std: "docker" "inspect" "377bfdf15e4c59e9e3b8401c18905ba748b4fbd4ed55d4f4ac84a973ac3ce3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377bfdf15e4c59e9e3b8401c18905ba748b4fbd4ed55d4f4ac84a973ac3ce3a3", kill_on_drop: false }`
[INFO] [stdout] 377bfdf15e4c59e9e3b8401c18905ba748b4fbd4ed55d4f4ac84a973ac3ce3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee26f077a8d528364335e9b337832887013c3c9f2c0d637d80d08bbf69ff3e5
[INFO] running `Command { std: "docker" "start" "-a" "bee26f077a8d528364335e9b337832887013c3c9f2c0d637d80d08bbf69ff3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-components v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/lib.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     struct TestComponentB {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 185 |         a: Arc<TestComponentA>,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]    --> src/lib.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     struct TestComponentC {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 189 |         a: Arc<TestComponentA>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 190 |         b: Arc<TestComponentB>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `b` and `c` are never read
[INFO] [stdout]    --> src/lib.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     struct TestComponentD {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 194 |         b: Arc<TestComponentB>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 195 |         c: Arc<TestComponentC>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "bee26f077a8d528364335e9b337832887013c3c9f2c0d637d80d08bbf69ff3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee26f077a8d528364335e9b337832887013c3c9f2c0d637d80d08bbf69ff3e5", kill_on_drop: false }`
[INFO] [stdout] bee26f077a8d528364335e9b337832887013c3c9f2c0d637d80d08bbf69ff3e5
