[INFO] fetching crate huffman-encoding 0.1.2...
[INFO] testing huffman-encoding-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate huffman-encoding 0.1.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate huffman-encoding 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huffman-encoding 0.1.2
[INFO] finished tweaking crates.io crate huffman-encoding 0.1.2
[INFO] tweaked toml for crates.io crate huffman-encoding 0.1.2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934d2dd06ecfcfa133ff325e0ac957803a685337446ec11d94e30fba1cfee56d
[INFO] running `Command { std: "docker" "start" "-a" "934d2dd06ecfcfa133ff325e0ac957803a685337446ec11d94e30fba1cfee56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934d2dd06ecfcfa133ff325e0ac957803a685337446ec11d94e30fba1cfee56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934d2dd06ecfcfa133ff325e0ac957803a685337446ec11d94e30fba1cfee56d", kill_on_drop: false }`
[INFO] [stdout] 934d2dd06ecfcfa133ff325e0ac957803a685337446ec11d94e30fba1cfee56d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3019b3aa37a8bf64270871e667a4ac86ed806e4b556887ba03c69c543622da
[INFO] running `Command { std: "docker" "start" "-a" "7c3019b3aa37a8bf64270871e667a4ac86ed806e4b556887ba03c69c543622da", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "7c3019b3aa37a8bf64270871e667a4ac86ed806e4b556887ba03c69c543622da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3019b3aa37a8bf64270871e667a4ac86ed806e4b556887ba03c69c543622da", kill_on_drop: false }`
[INFO] [stdout] 7c3019b3aa37a8bf64270871e667a4ac86ed806e4b556887ba03c69c543622da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6b03ec3f3f6696a6b26b35968e522926f7df8058a250b47cde3b3907bba00eb
[INFO] running `Command { std: "docker" "start" "-a" "d6b03ec3f3f6696a6b26b35968e522926f7df8058a250b47cde3b3907bba00eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "d6b03ec3f3f6696a6b26b35968e522926f7df8058a250b47cde3b3907bba00eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b03ec3f3f6696a6b26b35968e522926f7df8058a250b47cde3b3907bba00eb", kill_on_drop: false }`
[INFO] [stdout] d6b03ec3f3f6696a6b26b35968e522926f7df8058a250b47cde3b3907bba00eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f30422a2a436fbae7c2368b199cd86a43475ce5053a04bb9080b91bc362de84
[INFO] running `Command { std: "docker" "start" "-a" "4f30422a2a436fbae7c2368b199cd86a43475ce5053a04bb9080b91bc362de84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_encoding-0dfa3a90940399e2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_encode_decode_i32 ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_encode_decode_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests huffman-encoding
[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" "4f30422a2a436fbae7c2368b199cd86a43475ce5053a04bb9080b91bc362de84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f30422a2a436fbae7c2368b199cd86a43475ce5053a04bb9080b91bc362de84", kill_on_drop: false }`
[INFO] [stdout] 4f30422a2a436fbae7c2368b199cd86a43475ce5053a04bb9080b91bc362de84