[INFO] cloning repository https://github.com/Ulbora/rust_polymorphism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ulbora/rust_polymorphism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUlbora%2Frust_polymorphism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUlbora%2Frust_polymorphism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222cc98ed5407b4819c7ef8f9dbebefa014f1329
[INFO] testing Ulbora/rust_polymorphism 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%2FUlbora%2Frust_polymorphism" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ulbora/rust_polymorphism 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/Ulbora/rust_polymorphism
[INFO] finished tweaking git repo https://github.com/Ulbora/rust_polymorphism
[INFO] tweaked toml for git repo https://github.com/Ulbora/rust_polymorphism written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/Ulbora/rust_polymorphism 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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] c938cddbc63405e6cd1480e32c931a57b6e4890ace45ff334eafa42c320c83e5
[INFO] running `Command { std: "docker" "start" "-a" "c938cddbc63405e6cd1480e32c931a57b6e4890ace45ff334eafa42c320c83e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c938cddbc63405e6cd1480e32c931a57b6e4890ace45ff334eafa42c320c83e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c938cddbc63405e6cd1480e32c931a57b6e4890ace45ff334eafa42c320c83e5", kill_on_drop: false }`
[INFO] [stdout] c938cddbc63405e6cd1480e32c931a57b6e4890ace45ff334eafa42c320c83e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 0c2c7dbc71ba54c0a3b8e93daf81d7224ea73d3edf684d77d123a621c9688fdd
[INFO] running `Command { std: "docker" "start" "-a" "0c2c7dbc71ba54c0a3b8e93daf81d7224ea73d3edf684d77d123a621c9688fdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0c2c7dbc71ba54c0a3b8e93daf81d7224ea73d3edf684d77d123a621c9688fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2c7dbc71ba54c0a3b8e93daf81d7224ea73d3edf684d77d123a621c9688fdd", kill_on_drop: false }`
[INFO] [stdout] 0c2c7dbc71ba54c0a3b8e93daf81d7224ea73d3edf684d77d123a621c9688fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] bc600bf698857dc27fff1d7cc65838356a9124fb1bf77cfa2399667ef25f2d0a
[INFO] running `Command { std: "docker" "start" "-a" "bc600bf698857dc27fff1d7cc65838356a9124fb1bf77cfa2399667ef25f2d0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "bc600bf698857dc27fff1d7cc65838356a9124fb1bf77cfa2399667ef25f2d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc600bf698857dc27fff1d7cc65838356a9124fb1bf77cfa2399667ef25f2d0a", kill_on_drop: false }`
[INFO] [stdout] bc600bf698857dc27fff1d7cc65838356a9124fb1bf77cfa2399667ef25f2d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 4c9b8c48875af9b1dcbfa9d6679824e026d7759b304ee7944c44f5e89c168652
[INFO] running `Command { std: "docker" "start" "-a" "4c9b8c48875af9b1dcbfa9d6679824e026d7759b304ee7944c44f5e89c168652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poly-2f61ec9d5ea53e87)
[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" "4c9b8c48875af9b1dcbfa9d6679824e026d7759b304ee7944c44f5e89c168652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9b8c48875af9b1dcbfa9d6679824e026d7759b304ee7944c44f5e89c168652", kill_on_drop: false }`
[INFO] [stdout] 4c9b8c48875af9b1dcbfa9d6679824e026d7759b304ee7944c44f5e89c168652