[INFO] cloning repository https://github.com/Wtbg/rustexercise2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wtbg/rustexercise2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWtbg%2Frustexercise2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWtbg%2Frustexercise2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bcaa05267e49029ae0d1b78e851f40b518b9507
[INFO] testing Wtbg/rustexercise2 against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWtbg%2Frustexercise2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wtbg/rustexercise2
[INFO] finished tweaking git repo https://github.com/Wtbg/rustexercise2
[INFO] tweaked toml for git repo https://github.com/Wtbg/rustexercise2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wtbg/rustexercise2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Wtbg/rustexercise2 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" "+1.90.0" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0b4f87e84047464473e102044575f497af0459ebda7fa3765ea620575f8352
[INFO] running `Command { std: "docker" "start" "-a" "1c0b4f87e84047464473e102044575f497af0459ebda7fa3765ea620575f8352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0b4f87e84047464473e102044575f497af0459ebda7fa3765ea620575f8352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0b4f87e84047464473e102044575f497af0459ebda7fa3765ea620575f8352", kill_on_drop: false }`
[INFO] [stdout] 1c0b4f87e84047464473e102044575f497af0459ebda7fa3765ea620575f8352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d498130d6453d31bf5fb1b53a4c9dac93fe9a9dbe853685ffad183e743fd65
[INFO] running `Command { std: "docker" "start" "-a" "83d498130d6453d31bf5fb1b53a4c9dac93fe9a9dbe853685ffad183e743fd65", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustexercise2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "83d498130d6453d31bf5fb1b53a4c9dac93fe9a9dbe853685ffad183e743fd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d498130d6453d31bf5fb1b53a4c9dac93fe9a9dbe853685ffad183e743fd65", kill_on_drop: false }`
[INFO] [stdout] 83d498130d6453d31bf5fb1b53a4c9dac93fe9a9dbe853685ffad183e743fd65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f1b509b82752a581885398cac75e66b4430e2aaa440380065e30a0d6d5aefb
[INFO] running `Command { std: "docker" "start" "-a" "46f1b509b82752a581885398cac75e66b4430e2aaa440380065e30a0d6d5aefb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustexercise2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "46f1b509b82752a581885398cac75e66b4430e2aaa440380065e30a0d6d5aefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f1b509b82752a581885398cac75e66b4430e2aaa440380065e30a0d6d5aefb", kill_on_drop: false }`
[INFO] [stdout] 46f1b509b82752a581885398cac75e66b4430e2aaa440380065e30a0d6d5aefb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b936fd70787dfcb0035990993a10003cc0328065a1604e7549b754fa7e92a864
[INFO] running `Command { std: "docker" "start" "-a" "b936fd70787dfcb0035990993a10003cc0328065a1604e7549b754fa7e92a864", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustexercise2-60133592876bd399)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_hash_map ... ok
[INFO] [stdout] test tests::test_my_rc ... ok
[INFO] [stdout] test tests::test_my_stack ... 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] running `Command { std: "docker" "inspect" "b936fd70787dfcb0035990993a10003cc0328065a1604e7549b754fa7e92a864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b936fd70787dfcb0035990993a10003cc0328065a1604e7549b754fa7e92a864", kill_on_drop: false }`
[INFO] [stdout] b936fd70787dfcb0035990993a10003cc0328065a1604e7549b754fa7e92a864