[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonwr%2Fhuffman-encoding" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonwr/huffman-encoding on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-104/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0277e235c0f7a46a898e78d3b87cb6dcd61407ff12a0112ef2faf08b7c654502
[INFO] running `Command { std: "docker" "start" "-a" "0277e235c0f7a46a898e78d3b87cb6dcd61407ff12a0112ef2faf08b7c654502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0277e235c0f7a46a898e78d3b87cb6dcd61407ff12a0112ef2faf08b7c654502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0277e235c0f7a46a898e78d3b87cb6dcd61407ff12a0112ef2faf08b7c654502", kill_on_drop: false }`
[INFO] [stdout] 0277e235c0f7a46a898e78d3b87cb6dcd61407ff12a0112ef2faf08b7c654502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f61c4c30fcfb1b200784bfe06a9770c027ea430df47b22e912911a8684938a2
[INFO] running `Command { std: "docker" "start" "-a" "6f61c4c30fcfb1b200784bfe06a9770c027ea430df47b22e912911a8684938a2", kill_on_drop: false }`
[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 7.77s
[INFO] running `Command { std: "docker" "inspect" "6f61c4c30fcfb1b200784bfe06a9770c027ea430df47b22e912911a8684938a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f61c4c30fcfb1b200784bfe06a9770c027ea430df47b22e912911a8684938a2", kill_on_drop: false }`
[INFO] [stdout] 6f61c4c30fcfb1b200784bfe06a9770c027ea430df47b22e912911a8684938a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327d6ffe05be9b1682f283653a3f270ba7abcd9a47da4f4bb0451df68aa69cc7
[INFO] running `Command { std: "docker" "start" "-a" "327d6ffe05be9b1682f283653a3f270ba7abcd9a47da4f4bb0451df68aa69cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "327d6ffe05be9b1682f283653a3f270ba7abcd9a47da4f4bb0451df68aa69cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d6ffe05be9b1682f283653a3f270ba7abcd9a47da4f4bb0451df68aa69cc7", kill_on_drop: false }`
[INFO] [stdout] 327d6ffe05be9b1682f283653a3f270ba7abcd9a47da4f4bb0451df68aa69cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3966879c42f0aed0dd1f58464a9dc7accf59dddd0c05dbcfa1b27a8519a6a9db
[INFO] running `Command { std: "docker" "start" "-a" "3966879c42f0aed0dd1f58464a9dc7accf59dddd0c05dbcfa1b27a8519a6a9db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman-aa67a5b2c3dd2d3c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test encoding::tests::join_leaves ... ok
[INFO] [stdout] test ioutils::tests::header_o_empty ... ok
[INFO] [stdout] test ioutils::tests::header_o ... ok
[INFO] [stdout] test ioutils::tests::test_path_writer ... 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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3966879c42f0aed0dd1f58464a9dc7accf59dddd0c05dbcfa1b27a8519a6a9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3966879c42f0aed0dd1f58464a9dc7accf59dddd0c05dbcfa1b27a8519a6a9db", kill_on_drop: false }`
[INFO] [stdout] 3966879c42f0aed0dd1f58464a9dc7accf59dddd0c05dbcfa1b27a8519a6a9db