[INFO] cloning repository https://github.com/charlespierce/compiler-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlespierce/compiler-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlespierce%2Fcompiler-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlespierce%2Fcompiler-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaa697434345bdc0d40a9bc1fb77f1d469a1f40d
[INFO] testing charlespierce/compiler-experiment 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%2Fcharlespierce%2Fcompiler-experiment" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlespierce/compiler-experiment 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/charlespierce/compiler-experiment
[INFO] finished tweaking git repo https://github.com/charlespierce/compiler-experiment
[INFO] tweaked toml for git repo https://github.com/charlespierce/compiler-experiment written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/charlespierce/compiler-experiment 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 72c7e92b79d8854d0cde5c2964fef179b33ce9b290fc15e1ebaba2a661df213c
[INFO] running `Command { std: "docker" "start" "-a" "72c7e92b79d8854d0cde5c2964fef179b33ce9b290fc15e1ebaba2a661df213c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c7e92b79d8854d0cde5c2964fef179b33ce9b290fc15e1ebaba2a661df213c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c7e92b79d8854d0cde5c2964fef179b33ce9b290fc15e1ebaba2a661df213c", kill_on_drop: false }`
[INFO] [stdout] 72c7e92b79d8854d0cde5c2964fef179b33ce9b290fc15e1ebaba2a661df213c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 678777143de755e2fecd48971bf3c8cc55e6ddbfc450f176c8e75f26f2a7785a
[INFO] running `Command { std: "docker" "start" "-a" "678777143de755e2fecd48971bf3c8cc55e6ddbfc450f176c8e75f26f2a7785a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling compiler-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "678777143de755e2fecd48971bf3c8cc55e6ddbfc450f176c8e75f26f2a7785a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678777143de755e2fecd48971bf3c8cc55e6ddbfc450f176c8e75f26f2a7785a", kill_on_drop: false }`
[INFO] [stdout] 678777143de755e2fecd48971bf3c8cc55e6ddbfc450f176c8e75f26f2a7785a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] f481e6868b16766694ca9c3a41aa8ac6945b0af13571f5fe8641d930378e3b6f
[INFO] running `Command { std: "docker" "start" "-a" "f481e6868b16766694ca9c3a41aa8ac6945b0af13571f5fe8641d930378e3b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "f481e6868b16766694ca9c3a41aa8ac6945b0af13571f5fe8641d930378e3b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f481e6868b16766694ca9c3a41aa8ac6945b0af13571f5fe8641d930378e3b6f", kill_on_drop: false }`
[INFO] [stdout] f481e6868b16766694ca9c3a41aa8ac6945b0af13571f5fe8641d930378e3b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] c6a62b6a2fd36db80e5e24aeac930b203a7b45afa85b3e65f08274ed246bf925
[INFO] running `Command { std: "docker" "start" "-a" "c6a62b6a2fd36db80e5e24aeac930b203a7b45afa85b3e65f08274ed246bf925", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler_experiment-12b93fee4806e6b9)
[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" "c6a62b6a2fd36db80e5e24aeac930b203a7b45afa85b3e65f08274ed246bf925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a62b6a2fd36db80e5e24aeac930b203a7b45afa85b3e65f08274ed246bf925", kill_on_drop: false }`
[INFO] [stdout] c6a62b6a2fd36db80e5e24aeac930b203a7b45afa85b3e65f08274ed246bf925