[INFO] cloning repository https://github.com/ryuji-ito-0222/rust-lesson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuji-ito-0222/rust-lesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuji-ito-0222%2Frust-lesson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuji-ito-0222%2Frust-lesson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea40199bf17d070036d67f07eed2effe546b5f55
[INFO] testing ryuji-ito-0222/rust-lesson against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuji-ito-0222%2Frust-lesson" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryuji-ito-0222/rust-lesson on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryuji-ito-0222/rust-lesson
[INFO] finished tweaking git repo https://github.com/ryuji-ito-0222/rust-lesson
[INFO] tweaked toml for git repo https://github.com/ryuji-ito-0222/rust-lesson written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/ryuji-ito-0222/rust-lesson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f624fa0f4716a95fb995b55221b4e8d7df75bcc89184d9dd4f0eac17090447f1
[INFO] running `Command { std: "docker" "start" "-a" "f624fa0f4716a95fb995b55221b4e8d7df75bcc89184d9dd4f0eac17090447f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f624fa0f4716a95fb995b55221b4e8d7df75bcc89184d9dd4f0eac17090447f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f624fa0f4716a95fb995b55221b4e8d7df75bcc89184d9dd4f0eac17090447f1", kill_on_drop: false }`
[INFO] [stdout] f624fa0f4716a95fb995b55221b4e8d7df75bcc89184d9dd4f0eac17090447f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4259e9cb21b929d106f146a598894cc7c88ee2f0060c01b4213dbaa95d7a6a99
[INFO] running `Command { std: "docker" "start" "-a" "4259e9cb21b929d106f146a598894cc7c88ee2f0060c01b4213dbaa95d7a6a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `func_a`
[INFO] [stdout]  --> src/vars/sub_a.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_a() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `func_b`
[INFO] [stdout]  --> src/vars/sub_b.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_b() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4259e9cb21b929d106f146a598894cc7c88ee2f0060c01b4213dbaa95d7a6a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4259e9cb21b929d106f146a598894cc7c88ee2f0060c01b4213dbaa95d7a6a99", kill_on_drop: false }`
[INFO] [stdout] 4259e9cb21b929d106f146a598894cc7c88ee2f0060c01b4213dbaa95d7a6a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f49976ac301dfac47a67c017df393fccdffc335e966c0bdc70ab84a2ccfe7e1
[INFO] running `Command { std: "docker" "start" "-a" "9f49976ac301dfac47a67c017df393fccdffc335e966c0bdc70ab84a2ccfe7e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `func_a`
[INFO] [stdout]  --> src/vars/sub_a.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_a() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `func_b`
[INFO] [stdout]  --> src/vars/sub_b.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_b() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "9f49976ac301dfac47a67c017df393fccdffc335e966c0bdc70ab84a2ccfe7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f49976ac301dfac47a67c017df393fccdffc335e966c0bdc70ab84a2ccfe7e1", kill_on_drop: false }`
[INFO] [stdout] 9f49976ac301dfac47a67c017df393fccdffc335e966c0bdc70ab84a2ccfe7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc51477c29ca97f48743cc99cc472bf4b9f63a1ca69dc03d8d27a8b463b125e1
[INFO] running `Command { std: "docker" "start" "-a" "bc51477c29ca97f48743cc99cc472bf4b9f63a1ca69dc03d8d27a8b463b125e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `func_a`
[INFO] [stderr]  --> src/vars/sub_a.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn func_a() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `func_b`
[INFO] [stderr]  --> src/vars/sub_b.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn func_b() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-lesson` (bin "rust-lesson" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_lesson-b56eea27ab0d8bb4)
[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" "bc51477c29ca97f48743cc99cc472bf4b9f63a1ca69dc03d8d27a8b463b125e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc51477c29ca97f48743cc99cc472bf4b9f63a1ca69dc03d8d27a8b463b125e1", kill_on_drop: false }`
[INFO] [stdout] bc51477c29ca97f48743cc99cc472bf4b9f63a1ca69dc03d8d27a8b463b125e1