[INFO] cloning repository https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3fdebe618bd547ac0086826ff9aaa75a31334ab
[INFO] testing TheFunctionalGuy/cracking-the-coding-interview-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-rust" "/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/TheFunctionalGuy/cracking-the-coding-interview-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] finished tweaking git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] tweaked toml for git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", 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] 627e3fc9ca08e4ea5ae0c71b66a5c925514132acc7e53c2a018bcfc0ac872fe5
[INFO] running `Command { std: "docker" "start" "-a" "627e3fc9ca08e4ea5ae0c71b66a5c925514132acc7e53c2a018bcfc0ac872fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "627e3fc9ca08e4ea5ae0c71b66a5c925514132acc7e53c2a018bcfc0ac872fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627e3fc9ca08e4ea5ae0c71b66a5c925514132acc7e53c2a018bcfc0ac872fe5", kill_on_drop: false }`
[INFO] [stdout] 627e3fc9ca08e4ea5ae0c71b66a5c925514132acc7e53c2a018bcfc0ac872fe5
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", 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] ed4fb3ba5cd821800fafed46e64ffff4c05139854a56ac5c70b7c6506b7512d0
[INFO] running `Command { std: "docker" "start" "-a" "ed4fb3ba5cd821800fafed46e64ffff4c05139854a56ac5c70b7c6506b7512d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ed4fb3ba5cd821800fafed46e64ffff4c05139854a56ac5c70b7c6506b7512d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4fb3ba5cd821800fafed46e64ffff4c05139854a56ac5c70b7c6506b7512d0", kill_on_drop: false }`
[INFO] [stdout] ed4fb3ba5cd821800fafed46e64ffff4c05139854a56ac5c70b7c6506b7512d0
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", 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] 84abaa2a9b4ce2f9cb6bd441ffa3e9405e257c4a205caa410bae0b248e0cdeea
[INFO] running `Command { std: "docker" "start" "-a" "84abaa2a9b4ce2f9cb6bd441ffa3e9405e257c4a205caa410bae0b248e0cdeea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "84abaa2a9b4ce2f9cb6bd441ffa3e9405e257c4a205caa410bae0b248e0cdeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84abaa2a9b4ce2f9cb6bd441ffa3e9405e257c4a205caa410bae0b248e0cdeea", kill_on_drop: false }`
[INFO] [stdout] 84abaa2a9b4ce2f9cb6bd441ffa3e9405e257c4a205caa410bae0b248e0cdeea
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3ef46a947f3f06155b255599d76325a1a3b927534c09bb417958d534da036d7
[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" "e3ef46a947f3f06155b255599d76325a1a3b927534c09bb417958d534da036d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cracking_the_coding_interview_rust-dda6e989f37f1e72)
[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" "e3ef46a947f3f06155b255599d76325a1a3b927534c09bb417958d534da036d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ef46a947f3f06155b255599d76325a1a3b927534c09bb417958d534da036d7", kill_on_drop: false }`
[INFO] [stdout] e3ef46a947f3f06155b255599d76325a1a3b927534c09bb417958d534da036d7