[INFO] cloning repository https://github.com/masonwr/huffman-encoding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masonwr/huffman-encoding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonwr%2Fhuffman-encoding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonwr%2Fhuffman-encoding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 555996b70f5fffa7eedefd5591935367efcc74c3
[INFO] testing masonwr/huffman-encoding against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonwr%2Fhuffman-encoding" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonwr/huffman-encoding on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masonwr/huffman-encoding
[INFO] finished tweaking git repo https://github.com/masonwr/huffman-encoding
[INFO] tweaked toml for git repo https://github.com/masonwr/huffman-encoding written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/masonwr/huffman-encoding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0284cadbca6f89210353a5cc9dba5eb4d0cbb62150d6fdea174ff623f5c0b3d3
[INFO] running `Command { std: "docker" "start" "-a" "0284cadbca6f89210353a5cc9dba5eb4d0cbb62150d6fdea174ff623f5c0b3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0284cadbca6f89210353a5cc9dba5eb4d0cbb62150d6fdea174ff623f5c0b3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0284cadbca6f89210353a5cc9dba5eb4d0cbb62150d6fdea174ff623f5c0b3d3", kill_on_drop: false }`
[INFO] [stdout] 0284cadbca6f89210353a5cc9dba5eb4d0cbb62150d6fdea174ff623f5c0b3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faa9a99c190b46a4eaa433af2d75927e284705a03e89479759567e7d9c48d0ce
[INFO] running `Command { std: "docker" "start" "-a" "faa9a99c190b46a4eaa433af2d75927e284705a03e89479759567e7d9c48d0ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "faa9a99c190b46a4eaa433af2d75927e284705a03e89479759567e7d9c48d0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa9a99c190b46a4eaa433af2d75927e284705a03e89479759567e7d9c48d0ce", kill_on_drop: false }`
[INFO] [stdout] faa9a99c190b46a4eaa433af2d75927e284705a03e89479759567e7d9c48d0ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11d55296ee7765cf86af47e2d3a78dbbdf296ba068c9c3b1b3cc1d336002f19
[INFO] running `Command { std: "docker" "start" "-a" "d11d55296ee7765cf86af47e2d3a78dbbdf296ba068c9c3b1b3cc1d336002f19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "d11d55296ee7765cf86af47e2d3a78dbbdf296ba068c9c3b1b3cc1d336002f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11d55296ee7765cf86af47e2d3a78dbbdf296ba068c9c3b1b3cc1d336002f19", kill_on_drop: false }`
[INFO] [stdout] d11d55296ee7765cf86af47e2d3a78dbbdf296ba068c9c3b1b3cc1d336002f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9668658f2b407856c12c8e56545c1034664122ee4ee53ba4813e0add1fb0b08c
[INFO] running `Command { std: "docker" "start" "-a" "9668658f2b407856c12c8e56545c1034664122ee4ee53ba4813e0add1fb0b08c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman-b96ac2c1e2adfa5b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test encoding::tests::join_leaves ... ok
[INFO] [stdout] test ioutils::tests::header_o ... ok
[INFO] [stdout] test ioutils::tests::test_path_writer ... ok
[INFO] [stdout] test ioutils::tests::header_o_empty ... ok
[INFO] [stdout] test priorityq::tests::join_leaves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9668658f2b407856c12c8e56545c1034664122ee4ee53ba4813e0add1fb0b08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9668658f2b407856c12c8e56545c1034664122ee4ee53ba4813e0add1fb0b08c", kill_on_drop: false }`
[INFO] [stdout] 9668658f2b407856c12c8e56545c1034664122ee4ee53ba4813e0add1fb0b08c