[INFO] cloning repository https://github.com/TobiasWalle/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/TobiasWalle/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasWalle%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasWalle%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dc8ca642a55430717baf6c5f4c120223652e2a3
[INFO] testing TobiasWalle/rust-sandbox against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasWalle%2Frust-sandbox" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TobiasWalle/rust-sandbox on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TobiasWalle/rust-sandbox
[INFO] finished tweaking git repo https://github.com/TobiasWalle/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/TobiasWalle/rust-sandbox written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/TobiasWalle/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de0e40c1a8eebbc261b749f3aa4a889cd7d0a448ee52c50bfa1e0f1455757466
[INFO] running `Command { std: "docker" "start" "-a" "de0e40c1a8eebbc261b749f3aa4a889cd7d0a448ee52c50bfa1e0f1455757466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0e40c1a8eebbc261b749f3aa4a889cd7d0a448ee52c50bfa1e0f1455757466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0e40c1a8eebbc261b749f3aa4a889cd7d0a448ee52c50bfa1e0f1455757466", kill_on_drop: false }`
[INFO] [stdout] de0e40c1a8eebbc261b749f3aa4a889cd7d0a448ee52c50bfa1e0f1455757466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa01490fe72315c21bde662fdd5f87e9cc8521fba79c59096118b29215edc9d
[INFO] running `Command { std: "docker" "start" "-a" "9fa01490fe72315c21bde662fdd5f87e9cc8521fba79c59096118b29215edc9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling first_macro v0.1.0 (/opt/rustwide/workdir/lib/first_macro)
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "9fa01490fe72315c21bde662fdd5f87e9cc8521fba79c59096118b29215edc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa01490fe72315c21bde662fdd5f87e9cc8521fba79c59096118b29215edc9d", kill_on_drop: false }`
[INFO] [stdout] 9fa01490fe72315c21bde662fdd5f87e9cc8521fba79c59096118b29215edc9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab2c705fdc0a613b0ba53c4b9e12fe9350c381978e7021af719a8d225926e20
[INFO] running `Command { std: "docker" "start" "-a" "eab2c705fdc0a613b0ba53c4b9e12fe9350c381978e7021af719a8d225926e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "eab2c705fdc0a613b0ba53c4b9e12fe9350c381978e7021af719a8d225926e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab2c705fdc0a613b0ba53c4b9e12fe9350c381978e7021af719a8d225926e20", kill_on_drop: false }`
[INFO] [stdout] eab2c705fdc0a613b0ba53c4b9e12fe9350c381978e7021af719a8d225926e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b477969e3bc810511c8b178996df2aebda26ca3a8fa1cc605dd551eb560e8b
[INFO] running `Command { std: "docker" "start" "-a" "a2b477969e3bc810511c8b178996df2aebda26ca3a8fa1cc605dd551eb560e8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-06bca55cccbc2aa5)
[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" "a2b477969e3bc810511c8b178996df2aebda26ca3a8fa1cc605dd551eb560e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b477969e3bc810511c8b178996df2aebda26ca3a8fa1cc605dd551eb560e8b", kill_on_drop: false }`
[INFO] [stdout] a2b477969e3bc810511c8b178996df2aebda26ca3a8fa1cc605dd551eb560e8b