[INFO] cloning repository https://github.com/dkilmer/letter_boxed_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkilmer/letter_boxed_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkilmer%2Fletter_boxed_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkilmer%2Fletter_boxed_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5391888f59dbe120b57b7e99256d08bc949f9771
[INFO] testing dkilmer/letter_boxed_solver against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkilmer%2Fletter_boxed_solver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dkilmer/letter_boxed_solver on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dkilmer/letter_boxed_solver
[INFO] finished tweaking git repo https://github.com/dkilmer/letter_boxed_solver
[INFO] tweaked toml for git repo https://github.com/dkilmer/letter_boxed_solver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dkilmer/letter_boxed_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 97788ec18264bf63f07e0ec255cc0410b72a648905706b06ae6f2bceaa23efd5
[INFO] running `Command { std: "docker" "start" "-a" "97788ec18264bf63f07e0ec255cc0410b72a648905706b06ae6f2bceaa23efd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97788ec18264bf63f07e0ec255cc0410b72a648905706b06ae6f2bceaa23efd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97788ec18264bf63f07e0ec255cc0410b72a648905706b06ae6f2bceaa23efd5", kill_on_drop: false }`
[INFO] [stdout] 97788ec18264bf63f07e0ec255cc0410b72a648905706b06ae6f2bceaa23efd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] cb7a13e9093a6832b8372991df66c4f2d5e12b3fdb706e2fb95091abc0a9fd8d
[INFO] running `Command { std: "docker" "start" "-a" "cb7a13e9093a6832b8372991df66c4f2d5e12b3fdb706e2fb95091abc0a9fd8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter_boxed_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "cb7a13e9093a6832b8372991df66c4f2d5e12b3fdb706e2fb95091abc0a9fd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7a13e9093a6832b8372991df66c4f2d5e12b3fdb706e2fb95091abc0a9fd8d", kill_on_drop: false }`
[INFO] [stdout] cb7a13e9093a6832b8372991df66c4f2d5e12b3fdb706e2fb95091abc0a9fd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] b925f5d01b9ac2e73058ad740fcc2629468a1dc6da03a064653b30e983ff3035
[INFO] running `Command { std: "docker" "start" "-a" "b925f5d01b9ac2e73058ad740fcc2629468a1dc6da03a064653b30e983ff3035", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter_boxed_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b925f5d01b9ac2e73058ad740fcc2629468a1dc6da03a064653b30e983ff3035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b925f5d01b9ac2e73058ad740fcc2629468a1dc6da03a064653b30e983ff3035", kill_on_drop: false }`
[INFO] [stdout] b925f5d01b9ac2e73058ad740fcc2629468a1dc6da03a064653b30e983ff3035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 10527f252cbefc829cfd140dcdf1b59bc58a37269d0c6b7432aa81dc70109962
[INFO] running `Command { std: "docker" "start" "-a" "10527f252cbefc829cfd140dcdf1b59bc58a37269d0c6b7432aa81dc70109962", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/letter_boxed_solver-d951c05f87770c8c)
[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" "10527f252cbefc829cfd140dcdf1b59bc58a37269d0c6b7432aa81dc70109962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10527f252cbefc829cfd140dcdf1b59bc58a37269d0c6b7432aa81dc70109962", kill_on_drop: false }`
[INFO] [stdout] 10527f252cbefc829cfd140dcdf1b59bc58a37269d0c6b7432aa81dc70109962