[INFO] cloning repository https://github.com/aapis/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/aapis/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92d08d5fbbcd994f82e1ca4ba60325d90822f6bb
[INFO] testing aapis/rust-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aapis/rust-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aapis/rust-playground
[INFO] finished tweaking git repo https://github.com/aapis/rust-playground
[INFO] tweaked toml for git repo https://github.com/aapis/rust-playground written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/aapis/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60df2c527f18a49d825107254efc296bd3547e61bcc49b07aacdbbcf2818288
[INFO] running `Command { std: "docker" "start" "-a" "b60df2c527f18a49d825107254efc296bd3547e61bcc49b07aacdbbcf2818288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60df2c527f18a49d825107254efc296bd3547e61bcc49b07aacdbbcf2818288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60df2c527f18a49d825107254efc296bd3547e61bcc49b07aacdbbcf2818288", kill_on_drop: false }`
[INFO] [stdout] b60df2c527f18a49d825107254efc296bd3547e61bcc49b07aacdbbcf2818288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af924333c847c193ae010c4eb9e68baab503073acdfcc208e72132fcb8d546f
[INFO] running `Command { std: "docker" "start" "-a" "9af924333c847c193ae010c4eb9e68baab503073acdfcc208e72132fcb8d546f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "9af924333c847c193ae010c4eb9e68baab503073acdfcc208e72132fcb8d546f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af924333c847c193ae010c4eb9e68baab503073acdfcc208e72132fcb8d546f", kill_on_drop: false }`
[INFO] [stdout] 9af924333c847c193ae010c4eb9e68baab503073acdfcc208e72132fcb8d546f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297d7af08b63f32cb6620c554684e199333606eaeec3a096b0138cccfe5eb093
[INFO] running `Command { std: "docker" "start" "-a" "297d7af08b63f32cb6620c554684e199333606eaeec3a096b0138cccfe5eb093", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "297d7af08b63f32cb6620c554684e199333606eaeec3a096b0138cccfe5eb093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297d7af08b63f32cb6620c554684e199333606eaeec3a096b0138cccfe5eb093", kill_on_drop: false }`
[INFO] [stdout] 297d7af08b63f32cb6620c554684e199333606eaeec3a096b0138cccfe5eb093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe59b9edd95cd4e9b9fae73f3fdeab87b7589aa72619a12b548cc14432b95ad8
[INFO] running `Command { std: "docker" "start" "-a" "fe59b9edd95cd4e9b9fae73f3fdeab87b7589aa72619a12b548cc14432b95ad8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-6d04e15d9c54a3c2)
[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" "fe59b9edd95cd4e9b9fae73f3fdeab87b7589aa72619a12b548cc14432b95ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe59b9edd95cd4e9b9fae73f3fdeab87b7589aa72619a12b548cc14432b95ad8", kill_on_drop: false }`
[INFO] [stdout] fe59b9edd95cd4e9b9fae73f3fdeab87b7589aa72619a12b548cc14432b95ad8