[INFO] cloning repository https://github.com/aenglisc/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/aenglisc/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faenglisc%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faenglisc%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 121e9a501713058c5d2741ce6741b5e6e3c72572
[INFO] testing aenglisc/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%2Faenglisc%2Frust_sandbox" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aenglisc/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/aenglisc/rust_sandbox
[INFO] finished tweaking git repo https://github.com/aenglisc/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/aenglisc/rust_sandbox written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/aenglisc/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] de5330ab53b4a249a8427e6dc699daac574db50a63c00abea082cf491b008af6
[INFO] running `Command { std: "docker" "start" "-a" "de5330ab53b4a249a8427e6dc699daac574db50a63c00abea082cf491b008af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5330ab53b4a249a8427e6dc699daac574db50a63c00abea082cf491b008af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5330ab53b4a249a8427e6dc699daac574db50a63c00abea082cf491b008af6", kill_on_drop: false }`
[INFO] [stdout] de5330ab53b4a249a8427e6dc699daac574db50a63c00abea082cf491b008af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 66ba1b7fe4b08b0f03b4ff8a5e6ddab6e86de0e0ce5f64fa9bc77c648f4aa7a0
[INFO] running `Command { std: "docker" "start" "-a" "66ba1b7fe4b08b0f03b4ff8a5e6ddab6e86de0e0ce5f64fa9bc77c648f4aa7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "66ba1b7fe4b08b0f03b4ff8a5e6ddab6e86de0e0ce5f64fa9bc77c648f4aa7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ba1b7fe4b08b0f03b4ff8a5e6ddab6e86de0e0ce5f64fa9bc77c648f4aa7a0", kill_on_drop: false }`
[INFO] [stdout] 66ba1b7fe4b08b0f03b4ff8a5e6ddab6e86de0e0ce5f64fa9bc77c648f4aa7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 26753628805d25994c4797e2e07dc22b102c8abcfe50cdd371fa5c86d39b3587
[INFO] running `Command { std: "docker" "start" "-a" "26753628805d25994c4797e2e07dc22b102c8abcfe50cdd371fa5c86d39b3587", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "26753628805d25994c4797e2e07dc22b102c8abcfe50cdd371fa5c86d39b3587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26753628805d25994c4797e2e07dc22b102c8abcfe50cdd371fa5c86d39b3587", kill_on_drop: false }`
[INFO] [stdout] 26753628805d25994c4797e2e07dc22b102c8abcfe50cdd371fa5c86d39b3587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 357674adc1721a6af7e20dda028189c5b62e4d9896e7375b4159e9495dc36629
[INFO] running `Command { std: "docker" "start" "-a" "357674adc1721a6af7e20dda028189c5b62e4d9896e7375b4159e9495dc36629", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-3dcde6b1e9e4201c)
[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" "357674adc1721a6af7e20dda028189c5b62e4d9896e7375b4159e9495dc36629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357674adc1721a6af7e20dda028189c5b62e4d9896e7375b4159e9495dc36629", kill_on_drop: false }`
[INFO] [stdout] 357674adc1721a6af7e20dda028189c5b62e4d9896e7375b4159e9495dc36629