[INFO] cloning repository https://github.com/gallowstree/dancing-letters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gallowstree/dancing-letters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b98e2defcebafece1de4290fe7c2894863b629
[INFO] testing gallowstree/dancing-letters against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gallowstree/dancing-letters 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/gallowstree/dancing-letters
[INFO] finished tweaking git repo https://github.com/gallowstree/dancing-letters
[INFO] tweaked toml for git repo https://github.com/gallowstree/dancing-letters written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/gallowstree/dancing-letters 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 6d15c92c24407e13fe46d16ea3643b261d07e0797229524e10da04ab4bc11b06
[INFO] running `Command { std: "docker" "start" "-a" "6d15c92c24407e13fe46d16ea3643b261d07e0797229524e10da04ab4bc11b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d15c92c24407e13fe46d16ea3643b261d07e0797229524e10da04ab4bc11b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d15c92c24407e13fe46d16ea3643b261d07e0797229524e10da04ab4bc11b06", kill_on_drop: false }`
[INFO] [stdout] 6d15c92c24407e13fe46d16ea3643b261d07e0797229524e10da04ab4bc11b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 390fd9233659160a19b3bf27589ccc3dd28f1b8b4b739a1894062705a07d799f
[INFO] running `Command { std: "docker" "start" "-a" "390fd9233659160a19b3bf27589ccc3dd28f1b8b4b739a1894062705a07d799f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dancing-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "390fd9233659160a19b3bf27589ccc3dd28f1b8b4b739a1894062705a07d799f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390fd9233659160a19b3bf27589ccc3dd28f1b8b4b739a1894062705a07d799f", kill_on_drop: false }`
[INFO] [stdout] 390fd9233659160a19b3bf27589ccc3dd28f1b8b4b739a1894062705a07d799f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] eac6c776e70c2d72726d50e4fafbc6d8c746b6f1b67b41cc98e7e3f9616be85a
[INFO] running `Command { std: "docker" "start" "-a" "eac6c776e70c2d72726d50e4fafbc6d8c746b6f1b67b41cc98e7e3f9616be85a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dancing-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "eac6c776e70c2d72726d50e4fafbc6d8c746b6f1b67b41cc98e7e3f9616be85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac6c776e70c2d72726d50e4fafbc6d8c746b6f1b67b41cc98e7e3f9616be85a", kill_on_drop: false }`
[INFO] [stdout] eac6c776e70c2d72726d50e4fafbc6d8c746b6f1b67b41cc98e7e3f9616be85a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 61eb52d36c3206ae7497664f035dd95bf40219d4d7debda98aafb923280e8642
[INFO] running `Command { std: "docker" "start" "-a" "61eb52d36c3206ae7497664f035dd95bf40219d4d7debda98aafb923280e8642", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dancing_letters-36ea0e803e857442)
[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" "61eb52d36c3206ae7497664f035dd95bf40219d4d7debda98aafb923280e8642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61eb52d36c3206ae7497664f035dd95bf40219d4d7debda98aafb923280e8642", kill_on_drop: false }`
[INFO] [stdout] 61eb52d36c3206ae7497664f035dd95bf40219d4d7debda98aafb923280e8642