[INFO] cloning repository https://github.com/mmcknett/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmcknett/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcknett%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcknett%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6995eab044c487508e11d85c291336004aca3c94
[INFO] testing mmcknett/rust-sandbox against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcknett%2Frust-sandbox" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmcknett/rust-sandbox 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/mmcknett/rust-sandbox
[INFO] finished tweaking git repo https://github.com/mmcknett/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/mmcknett/rust-sandbox written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mmcknett/rust-sandbox 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ca9197de125c64a970430cfde916e8d3a1debc75ef94fcba0115d9e0b8ce12bf
[INFO] running `Command { std: "docker" "start" "-a" "ca9197de125c64a970430cfde916e8d3a1debc75ef94fcba0115d9e0b8ce12bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9197de125c64a970430cfde916e8d3a1debc75ef94fcba0115d9e0b8ce12bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9197de125c64a970430cfde916e8d3a1debc75ef94fcba0115d9e0b8ce12bf", kill_on_drop: false }`
[INFO] [stdout] ca9197de125c64a970430cfde916e8d3a1debc75ef94fcba0115d9e0b8ce12bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dcc37079477924b0f0a14e94988282f368a9c40d4cd97e28e6e27c523d2b3601
[INFO] running `Command { std: "docker" "start" "-a" "dcc37079477924b0f0a14e94988282f368a9c40d4cd97e28e6e27c523d2b3601", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "dcc37079477924b0f0a14e94988282f368a9c40d4cd97e28e6e27c523d2b3601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc37079477924b0f0a14e94988282f368a9c40d4cd97e28e6e27c523d2b3601", kill_on_drop: false }`
[INFO] [stdout] dcc37079477924b0f0a14e94988282f368a9c40d4cd97e28e6e27c523d2b3601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1a92163d9e5cc6ba37b6c062a9bac96f090ecd78f8806cd07474b76cac391793
[INFO] running `Command { std: "docker" "start" "-a" "1a92163d9e5cc6ba37b6c062a9bac96f090ecd78f8806cd07474b76cac391793", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1a92163d9e5cc6ba37b6c062a9bac96f090ecd78f8806cd07474b76cac391793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a92163d9e5cc6ba37b6c062a9bac96f090ecd78f8806cd07474b76cac391793", kill_on_drop: false }`
[INFO] [stdout] 1a92163d9e5cc6ba37b6c062a9bac96f090ecd78f8806cd07474b76cac391793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7c61af524620cf9a96b1b7febfa768d47827bc452b0ecb9a309969027c383a2c
[INFO] running `Command { std: "docker" "start" "-a" "7c61af524620cf9a96b1b7febfa768d47827bc452b0ecb9a309969027c383a2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-fdf9a181081f27f3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::reverse_handles_unicode ... ok
[INFO] [stdout] test tests::reverse_works_on_empty_string ... ok
[INFO] [stdout] test tests::reverse_handles_zalgo ... ok
[INFO] [stdout] test tests::reverse_works_on_hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c61af524620cf9a96b1b7febfa768d47827bc452b0ecb9a309969027c383a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c61af524620cf9a96b1b7febfa768d47827bc452b0ecb9a309969027c383a2c", kill_on_drop: false }`
[INFO] [stdout] 7c61af524620cf9a96b1b7febfa768d47827bc452b0ecb9a309969027c383a2c