[INFO] cloning repository https://github.com/FinnLidbetter/combinatorics-on-words
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FinnLidbetter/combinatorics-on-words" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnLidbetter%2Fcombinatorics-on-words", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnLidbetter%2Fcombinatorics-on-words'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f8641c50fe438abcfc2559baba6459b8b907eb9
[INFO] building FinnLidbetter/combinatorics-on-words against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnLidbetter%2Fcombinatorics-on-words" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FinnLidbetter/combinatorics-on-words
[INFO] finished tweaking git repo https://github.com/FinnLidbetter/combinatorics-on-words
[INFO] tweaked toml for git repo https://github.com/FinnLidbetter/combinatorics-on-words written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FinnLidbetter/combinatorics-on-words on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FinnLidbetter/combinatorics-on-words 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v0.6.4
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[INFO] [stderr]   Downloaded toml_edit v0.21.0
[INFO] [stderr]   Downloaded ndarray v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eff81f79c0a945758d8003334cd570d4490d327dd5980159df59efca6ee6a61
[INFO] running `Command { std: "docker" "start" "-a" "6eff81f79c0a945758d8003334cd570d4490d327dd5980159df59efca6ee6a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eff81f79c0a945758d8003334cd570d4490d327dd5980159df59efca6ee6a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eff81f79c0a945758d8003334cd570d4490d327dd5980159df59efca6ee6a61", kill_on_drop: false }`
[INFO] [stdout] 6eff81f79c0a945758d8003334cd570d4490d327dd5980159df59efca6ee6a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29357b243feed0fc1d61ffdb8f3ab9793b1a2ea0c4a80ac5267c110430e6400b
[INFO] running `Command { std: "docker" "start" "-a" "29357b243feed0fc1d61ffdb8f3ab9793b1a2ea0c4a80ac5267c110430e6400b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
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[INFO] [stderr]    Compiling combinatorics-on-words v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "29357b243feed0fc1d61ffdb8f3ab9793b1a2ea0c4a80ac5267c110430e6400b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29357b243feed0fc1d61ffdb8f3ab9793b1a2ea0c4a80ac5267c110430e6400b", kill_on_drop: false }`
[INFO] [stdout] 29357b243feed0fc1d61ffdb8f3ab9793b1a2ea0c4a80ac5267c110430e6400b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470d6ef3f7f505eeeb7388c1c0f38eda47c81f0fc640fb9ad20b1ec0a43e1469
[INFO] running `Command { std: "docker" "start" "-a" "470d6ef3f7f505eeeb7388c1c0f38eda47c81f0fc640fb9ad20b1ec0a43e1469", kill_on_drop: false }`
[INFO] [stderr]    Compiling combinatorics-on-words v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "470d6ef3f7f505eeeb7388c1c0f38eda47c81f0fc640fb9ad20b1ec0a43e1469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470d6ef3f7f505eeeb7388c1c0f38eda47c81f0fc640fb9ad20b1ec0a43e1469", kill_on_drop: false }`
[INFO] [stdout] 470d6ef3f7f505eeeb7388c1c0f38eda47c81f0fc640fb9ad20b1ec0a43e1469