[INFO] cloning repository https://github.com/ponchione/udemy_rust_datastructs_and_algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ponchione/udemy_rust_datastructs_and_algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ef9b1ccb9175c01196b24d8d2938c6d510b75d
[INFO] testing ponchione/udemy_rust_datastructs_and_algos against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchione%2Fudemy_rust_datastructs_and_algos" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos 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/ponchione/udemy_rust_datastructs_and_algos
[INFO] finished tweaking git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos
[INFO] tweaked toml for git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/ponchione/udemy_rust_datastructs_and_algos 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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 95b37b08d95833cc4afce7a0ffe6af3e4c534417dca4b1e4dfcabd2cd7376c7e
[INFO] running `Command { std: "docker" "start" "-a" "95b37b08d95833cc4afce7a0ffe6af3e4c534417dca4b1e4dfcabd2cd7376c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b37b08d95833cc4afce7a0ffe6af3e4c534417dca4b1e4dfcabd2cd7376c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b37b08d95833cc4afce7a0ffe6af3e4c534417dca4b1e4dfcabd2cd7376c7e", kill_on_drop: false }`
[INFO] [stdout] 95b37b08d95833cc4afce7a0ffe6af3e4c534417dca4b1e4dfcabd2cd7376c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 4e559ffb1f264ba7a3faf6fcc32b5d3b508cc265d0d67b5263004f777f8f468f
[INFO] running `Command { std: "docker" "start" "-a" "4e559ffb1f264ba7a3faf6fcc32b5d3b508cc265d0d67b5263004f777f8f468f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling udemy_rust_datastructs_and_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4e559ffb1f264ba7a3faf6fcc32b5d3b508cc265d0d67b5263004f777f8f468f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e559ffb1f264ba7a3faf6fcc32b5d3b508cc265d0d67b5263004f777f8f468f", kill_on_drop: false }`
[INFO] [stdout] 4e559ffb1f264ba7a3faf6fcc32b5d3b508cc265d0d67b5263004f777f8f468f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 7a78d710dec0d5416b5bcc6e7b9feac4d325162dbdebb01213e0dbd58f17bc73
[INFO] running `Command { std: "docker" "start" "-a" "7a78d710dec0d5416b5bcc6e7b9feac4d325162dbdebb01213e0dbd58f17bc73", kill_on_drop: false }`
[INFO] [stderr]    Compiling udemy_rust_datastructs_and_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7a78d710dec0d5416b5bcc6e7b9feac4d325162dbdebb01213e0dbd58f17bc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a78d710dec0d5416b5bcc6e7b9feac4d325162dbdebb01213e0dbd58f17bc73", kill_on_drop: false }`
[INFO] [stdout] 7a78d710dec0d5416b5bcc6e7b9feac4d325162dbdebb01213e0dbd58f17bc73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] db4358de8c23c2a31858acec9054983c8ff3a690511dbf99634c7e1f8a11b752
[INFO] running `Command { std: "docker" "start" "-a" "db4358de8c23c2a31858acec9054983c8ff3a690511dbf99634c7e1f8a11b752", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udemy_rust_datastructs_and_algos-fb0519073902b739)
[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" "db4358de8c23c2a31858acec9054983c8ff3a690511dbf99634c7e1f8a11b752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4358de8c23c2a31858acec9054983c8ff3a690511dbf99634c7e1f8a11b752", kill_on_drop: false }`
[INFO] [stdout] db4358de8c23c2a31858acec9054983c8ff3a690511dbf99634c7e1f8a11b752