[INFO] cloning repository https://github.com/jbesraa/cracking-the-coding-interview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbesraa/cracking-the-coding-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbesraa%2Fcracking-the-coding-interview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbesraa%2Fcracking-the-coding-interview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11ce5cab4cd6de8f605d98ece0fef8fb79043422
[INFO] testing jbesraa/cracking-the-coding-interview against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbesraa%2Fcracking-the-coding-interview" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbesraa/cracking-the-coding-interview on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbesraa/cracking-the-coding-interview
[INFO] finished tweaking git repo https://github.com/jbesraa/cracking-the-coding-interview
[INFO] tweaked toml for git repo https://github.com/jbesraa/cracking-the-coding-interview written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jbesraa/cracking-the-coding-interview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8a0fceef7dd6b31305f2447fbf2b6f66b3f5d49e05019269a387e5f448bf6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d8a0fceef7dd6b31305f2447fbf2b6f66b3f5d49e05019269a387e5f448bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8a0fceef7dd6b31305f2447fbf2b6f66b3f5d49e05019269a387e5f448bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8a0fceef7dd6b31305f2447fbf2b6f66b3f5d49e05019269a387e5f448bf6d", kill_on_drop: false }`
[INFO] [stdout] 7d8a0fceef7dd6b31305f2447fbf2b6f66b3f5d49e05019269a387e5f448bf6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7101035b4ab7929fa97c1c3b4598472cab469281ffb30c7cde45fcf239b90733
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7101035b4ab7929fa97c1c3b4598472cab469281ffb30c7cde45fcf239b90733", 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] [stderr]    Compiling cracking-coding-interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "7101035b4ab7929fa97c1c3b4598472cab469281ffb30c7cde45fcf239b90733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7101035b4ab7929fa97c1c3b4598472cab469281ffb30c7cde45fcf239b90733", kill_on_drop: false }`
[INFO] [stdout] 7101035b4ab7929fa97c1c3b4598472cab469281ffb30c7cde45fcf239b90733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e3e996905a09170941c0ba704268798516b144e94e73ff4bbf00b4eb8a607a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24e3e996905a09170941c0ba704268798516b144e94e73ff4bbf00b4eb8a607a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-coding-interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "24e3e996905a09170941c0ba704268798516b144e94e73ff4bbf00b4eb8a607a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e3e996905a09170941c0ba704268798516b144e94e73ff4bbf00b4eb8a607a", kill_on_drop: false }`
[INFO] [stdout] 24e3e996905a09170941c0ba704268798516b144e94e73ff4bbf00b4eb8a607a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab9af4df7741d2b74c78f11cf2b215934b8de3cdb790827f360354f74940b213
[INFO] running `Command { std: "docker" "start" "-a" "ab9af4df7741d2b74c78f11cf2b215934b8de3cdb790827f360354f74940b213", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cracking_coding_interview-b44f3dd28e06fc80
[INFO] [stdout] test lists::tests::test_append_end ... ok
[INFO] [stdout] test lists::node::tests::test_new_node ... ok
[INFO] [stdout] test lists::tests::test_new_empty_list ... ok
[INFO] [stdout] test lists::tests::test_append_start ... ok
[INFO] [stdout] test lists::tests::test_pop_start ... ok
[INFO] [stdout] test lists::tests::test_append_end1 ... ok
[INFO] [stdout] test lists::tests::test_new_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab9af4df7741d2b74c78f11cf2b215934b8de3cdb790827f360354f74940b213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9af4df7741d2b74c78f11cf2b215934b8de3cdb790827f360354f74940b213", kill_on_drop: false }`
[INFO] [stdout] ab9af4df7741d2b74c78f11cf2b215934b8de3cdb790827f360354f74940b213