[INFO] cloning repository https://github.com/errollgnargnar/rust_ch3_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/errollgnargnar/rust_ch3_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferrollgnargnar%2Frust_ch3_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferrollgnargnar%2Frust_ch3_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f095c5b23e68fdc7cfd0a727e39c2678bc4b8b85
[INFO] testing errollgnargnar/rust_ch3_challenges against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferrollgnargnar%2Frust_ch3_challenges" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/errollgnargnar/rust_ch3_challenges on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/errollgnargnar/rust_ch3_challenges
[INFO] finished tweaking git repo https://github.com/errollgnargnar/rust_ch3_challenges
[INFO] tweaked toml for git repo https://github.com/errollgnargnar/rust_ch3_challenges written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/errollgnargnar/rust_ch3_challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de71229f01884b27d1d6ddbdc469e5af134769d18e9704876a141f24dc67794
[INFO] running `Command { std: "docker" "start" "-a" "0de71229f01884b27d1d6ddbdc469e5af134769d18e9704876a141f24dc67794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de71229f01884b27d1d6ddbdc469e5af134769d18e9704876a141f24dc67794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de71229f01884b27d1d6ddbdc469e5af134769d18e9704876a141f24dc67794", kill_on_drop: false }`
[INFO] [stdout] 0de71229f01884b27d1d6ddbdc469e5af134769d18e9704876a141f24dc67794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a68a0e8b72545a769367d3cd18606cf41ce02e0036cc7a9e2a77c5fc3ade40
[INFO] running `Command { std: "docker" "start" "-a" "47a68a0e8b72545a769367d3cd18606cf41ce02e0036cc7a9e2a77c5fc3ade40", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch3_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "47a68a0e8b72545a769367d3cd18606cf41ce02e0036cc7a9e2a77c5fc3ade40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a68a0e8b72545a769367d3cd18606cf41ce02e0036cc7a9e2a77c5fc3ade40", kill_on_drop: false }`
[INFO] [stdout] 47a68a0e8b72545a769367d3cd18606cf41ce02e0036cc7a9e2a77c5fc3ade40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8ed69ede8eb87d6dd1f4a689a08296fdbc65ed973634a5d5bd93f3dd7dd44f
[INFO] running `Command { std: "docker" "start" "-a" "4f8ed69ede8eb87d6dd1f4a689a08296fdbc65ed973634a5d5bd93f3dd7dd44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch3_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4f8ed69ede8eb87d6dd1f4a689a08296fdbc65ed973634a5d5bd93f3dd7dd44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8ed69ede8eb87d6dd1f4a689a08296fdbc65ed973634a5d5bd93f3dd7dd44f", kill_on_drop: false }`
[INFO] [stdout] 4f8ed69ede8eb87d6dd1f4a689a08296fdbc65ed973634a5d5bd93f3dd7dd44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9e9faddb60bf8f79bc31bf07fa46b9d0d65f94937f98eb580928ee74a3f24b8
[INFO] running `Command { std: "docker" "start" "-a" "f9e9faddb60bf8f79bc31bf07fa46b9d0d65f94937f98eb580928ee74a3f24b8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch3_challenges-5d92c253344ca8a4)
[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" "f9e9faddb60bf8f79bc31bf07fa46b9d0d65f94937f98eb580928ee74a3f24b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e9faddb60bf8f79bc31bf07fa46b9d0d65f94937f98eb580928ee74a3f24b8", kill_on_drop: false }`
[INFO] [stdout] f9e9faddb60bf8f79bc31bf07fa46b9d0d65f94937f98eb580928ee74a3f24b8