[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gallowstree/dancing-letters on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-111/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552c4dd0d39ea7c44da61096f48de2efe2dbd00d0f5848b39197efd3ec3139b4
[INFO] running `Command { std: "docker" "start" "-a" "552c4dd0d39ea7c44da61096f48de2efe2dbd00d0f5848b39197efd3ec3139b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552c4dd0d39ea7c44da61096f48de2efe2dbd00d0f5848b39197efd3ec3139b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552c4dd0d39ea7c44da61096f48de2efe2dbd00d0f5848b39197efd3ec3139b4", kill_on_drop: false }`
[INFO] [stdout] 552c4dd0d39ea7c44da61096f48de2efe2dbd00d0f5848b39197efd3ec3139b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c08402932de0c8befd12c970ff7b71aa8e8e84e48bbdfb0cbc3f96a99ee5e96
[INFO] running `Command { std: "docker" "start" "-a" "3c08402932de0c8befd12c970ff7b71aa8e8e84e48bbdfb0cbc3f96a99ee5e96", 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 dev [unoptimized + debuginfo] target(s) in 22.60s
[INFO] running `Command { std: "docker" "inspect" "3c08402932de0c8befd12c970ff7b71aa8e8e84e48bbdfb0cbc3f96a99ee5e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c08402932de0c8befd12c970ff7b71aa8e8e84e48bbdfb0cbc3f96a99ee5e96", kill_on_drop: false }`
[INFO] [stdout] 3c08402932de0c8befd12c970ff7b71aa8e8e84e48bbdfb0cbc3f96a99ee5e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d10caa1e34d10f822d1d4e564fed314de498115032fba2e8cf13d4c957ac183
[INFO] running `Command { std: "docker" "start" "-a" "5d10caa1e34d10f822d1d4e564fed314de498115032fba2e8cf13d4c957ac183", kill_on_drop: false }`
[INFO] [stderr]    Compiling dancing-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "5d10caa1e34d10f822d1d4e564fed314de498115032fba2e8cf13d4c957ac183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d10caa1e34d10f822d1d4e564fed314de498115032fba2e8cf13d4c957ac183", kill_on_drop: false }`
[INFO] [stdout] 5d10caa1e34d10f822d1d4e564fed314de498115032fba2e8cf13d4c957ac183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d11221ef18eea987bf5b5b2474c1ee9235262f5d423bcaa7bf237b98b3c9c96b
[INFO] running `Command { std: "docker" "start" "-a" "d11221ef18eea987bf5b5b2474c1ee9235262f5d423bcaa7bf237b98b3c9c96b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dancing_letters-f15b217a1b9d74b3)
[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" "d11221ef18eea987bf5b5b2474c1ee9235262f5d423bcaa7bf237b98b3c9c96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11221ef18eea987bf5b5b2474c1ee9235262f5d423bcaa7bf237b98b3c9c96b", kill_on_drop: false }`
[INFO] [stdout] d11221ef18eea987bf5b5b2474c1ee9235262f5d423bcaa7bf237b98b3c9c96b