[INFO] cloning repository https://github.com/soenkehahn/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soenkehahn/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41d472a9b04cdb02312edfa8b05bd2d9f85789fb
[INFO] testing soenkehahn/rust-playground against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-playground" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soenkehahn/rust-playground on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soenkehahn/rust-playground
[INFO] finished tweaking git repo https://github.com/soenkehahn/rust-playground
[INFO] tweaked toml for git repo https://github.com/soenkehahn/rust-playground written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/soenkehahn/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6820c3cad7c3b1740d76d9c44c8c5cc301e98d77919de1cc49740506bc3db7a
[INFO] running `Command { std: "docker" "start" "-a" "f6820c3cad7c3b1740d76d9c44c8c5cc301e98d77919de1cc49740506bc3db7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6820c3cad7c3b1740d76d9c44c8c5cc301e98d77919de1cc49740506bc3db7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6820c3cad7c3b1740d76d9c44c8c5cc301e98d77919de1cc49740506bc3db7a", kill_on_drop: false }`
[INFO] [stdout] f6820c3cad7c3b1740d76d9c44c8c5cc301e98d77919de1cc49740506bc3db7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d630ab0683cd5f6be0d021698ae02d5bb1da48b45a978380383c38a6886c1dc
[INFO] running `Command { std: "docker" "start" "-a" "8d630ab0683cd5f6be0d021698ae02d5bb1da48b45a978380383c38a6886c1dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "8d630ab0683cd5f6be0d021698ae02d5bb1da48b45a978380383c38a6886c1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d630ab0683cd5f6be0d021698ae02d5bb1da48b45a978380383c38a6886c1dc", kill_on_drop: false }`
[INFO] [stdout] 8d630ab0683cd5f6be0d021698ae02d5bb1da48b45a978380383c38a6886c1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66376ab2e52aab98d1bc245edf03eccbf02371eb24a601b90f9df480ba44e58
[INFO] running `Command { std: "docker" "start" "-a" "a66376ab2e52aab98d1bc245edf03eccbf02371eb24a601b90f9df480ba44e58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a66376ab2e52aab98d1bc245edf03eccbf02371eb24a601b90f9df480ba44e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66376ab2e52aab98d1bc245edf03eccbf02371eb24a601b90f9df480ba44e58", kill_on_drop: false }`
[INFO] [stdout] a66376ab2e52aab98d1bc245edf03eccbf02371eb24a601b90f9df480ba44e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 448b3f9266278a1b9d6cdfa0e1d2fb91c4a8a71a40527cd1c7216662133ce343
[INFO] running `Command { std: "docker" "start" "-a" "448b3f9266278a1b9d6cdfa0e1d2fb91c4a8a71a40527cd1c7216662133ce343", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playground-6aa2e862bb43a859)
[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" "448b3f9266278a1b9d6cdfa0e1d2fb91c4a8a71a40527cd1c7216662133ce343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448b3f9266278a1b9d6cdfa0e1d2fb91c4a8a71a40527cd1c7216662133ce343", kill_on_drop: false }`
[INFO] [stdout] 448b3f9266278a1b9d6cdfa0e1d2fb91c4a8a71a40527cd1c7216662133ce343