[INFO] cloning repository https://github.com/kklibo/rust2021_6_18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kklibo/rust2021_6_18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklibo%2Frust2021_6_18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklibo%2Frust2021_6_18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af5a0a7fd4a4a0e3b82cfb3ca4ccd8b8e26807ee
[INFO] testing kklibo/rust2021_6_18 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklibo%2Frust2021_6_18" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kklibo/rust2021_6_18 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kklibo/rust2021_6_18
[INFO] finished tweaking git repo https://github.com/kklibo/rust2021_6_18
[INFO] tweaked toml for git repo https://github.com/kklibo/rust2021_6_18 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kklibo/rust2021_6_18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae04c02fecd404309ac48623ca52450975353c6154f639d366654450fbb6a01d
[INFO] running `Command { std: "docker" "start" "-a" "ae04c02fecd404309ac48623ca52450975353c6154f639d366654450fbb6a01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae04c02fecd404309ac48623ca52450975353c6154f639d366654450fbb6a01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae04c02fecd404309ac48623ca52450975353c6154f639d366654450fbb6a01d", kill_on_drop: false }`
[INFO] [stdout] ae04c02fecd404309ac48623ca52450975353c6154f639d366654450fbb6a01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e8ca8671e2136cd784cf6d2f4b8b698b914579cf679da4f53288e6481a4db4
[INFO] running `Command { std: "docker" "start" "-a" "45e8ca8671e2136cd784cf6d2f4b8b698b914579cf679da4f53288e6481a4db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust2021_6_18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "45e8ca8671e2136cd784cf6d2f4b8b698b914579cf679da4f53288e6481a4db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e8ca8671e2136cd784cf6d2f4b8b698b914579cf679da4f53288e6481a4db4", kill_on_drop: false }`
[INFO] [stdout] 45e8ca8671e2136cd784cf6d2f4b8b698b914579cf679da4f53288e6481a4db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc15410be2249e4f17e570a11328a49ccf83929a98fa0122f52ba89b13d94392
[INFO] running `Command { std: "docker" "start" "-a" "fc15410be2249e4f17e570a11328a49ccf83929a98fa0122f52ba89b13d94392", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust2021_6_18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "fc15410be2249e4f17e570a11328a49ccf83929a98fa0122f52ba89b13d94392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc15410be2249e4f17e570a11328a49ccf83929a98fa0122f52ba89b13d94392", kill_on_drop: false }`
[INFO] [stdout] fc15410be2249e4f17e570a11328a49ccf83929a98fa0122f52ba89b13d94392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 221f7a3f1c7b59a46d7cfc96c049bcdb9dc8a76c0aefd20107f540d56af5b859
[INFO] running `Command { std: "docker" "start" "-a" "221f7a3f1c7b59a46d7cfc96c049bcdb9dc8a76c0aefd20107f540d56af5b859", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust2021_6_18-278c5eed71792b0e)
[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" "221f7a3f1c7b59a46d7cfc96c049bcdb9dc8a76c0aefd20107f540d56af5b859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221f7a3f1c7b59a46d7cfc96c049bcdb9dc8a76c0aefd20107f540d56af5b859", kill_on_drop: false }`
[INFO] [stdout] 221f7a3f1c7b59a46d7cfc96c049bcdb9dc8a76c0aefd20107f540d56af5b859