[INFO] cloning repository https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CampoDiFiori/doubly-linked-list-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cde3edee757ac05d06308fd48385783740f79f6
[INFO] testing CampoDiFiori/doubly-linked-list-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CampoDiFiori/doubly-linked-list-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] finished tweaking git repo https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] tweaked toml for git repo https://github.com/CampoDiFiori/doubly-linked-list-rust written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/CampoDiFiori/doubly-linked-list-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcb9a17b0eb7ef465d634351eb4228f48565ba4c808ee8c7a0ced068e6adbbc
[INFO] running `Command { std: "docker" "start" "-a" "0bcb9a17b0eb7ef465d634351eb4228f48565ba4c808ee8c7a0ced068e6adbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcb9a17b0eb7ef465d634351eb4228f48565ba4c808ee8c7a0ced068e6adbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcb9a17b0eb7ef465d634351eb4228f48565ba4c808ee8c7a0ced068e6adbbc", kill_on_drop: false }`
[INFO] [stdout] 0bcb9a17b0eb7ef465d634351eb4228f48565ba4c808ee8c7a0ced068e6adbbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d750071b95f4d4715be56c43539d2a9a4475d16d95db3bff83e0873a8dca007
[INFO] running `Command { std: "docker" "start" "-a" "0d750071b95f4d4715be56c43539d2a9a4475d16d95db3bff83e0873a8dca007", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubly-linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "0d750071b95f4d4715be56c43539d2a9a4475d16d95db3bff83e0873a8dca007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d750071b95f4d4715be56c43539d2a9a4475d16d95db3bff83e0873a8dca007", kill_on_drop: false }`
[INFO] [stdout] 0d750071b95f4d4715be56c43539d2a9a4475d16d95db3bff83e0873a8dca007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346f2ebf1c0f1a3ea67d680c43149ebcb7496a27395ff4027bbd0f0a58f0e977
[INFO] running `Command { std: "docker" "start" "-a" "346f2ebf1c0f1a3ea67d680c43149ebcb7496a27395ff4027bbd0f0a58f0e977", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubly-linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "346f2ebf1c0f1a3ea67d680c43149ebcb7496a27395ff4027bbd0f0a58f0e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346f2ebf1c0f1a3ea67d680c43149ebcb7496a27395ff4027bbd0f0a58f0e977", kill_on_drop: false }`
[INFO] [stdout] 346f2ebf1c0f1a3ea67d680c43149ebcb7496a27395ff4027bbd0f0a58f0e977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b89808cc3cc6a0fe56d916954146e51656cf443b122473e184a45a74edfd5e2
[INFO] running `Command { std: "docker" "start" "-a" "7b89808cc3cc6a0fe56d916954146e51656cf443b122473e184a45a74edfd5e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doubly_linked_list_rust-269b990fb791b806)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test insert_test ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b89808cc3cc6a0fe56d916954146e51656cf443b122473e184a45a74edfd5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b89808cc3cc6a0fe56d916954146e51656cf443b122473e184a45a74edfd5e2", kill_on_drop: false }`
[INFO] [stdout] 7b89808cc3cc6a0fe56d916954146e51656cf443b122473e184a45a74edfd5e2