[INFO] fetching crate fp-growth 0.1.6...
[INFO] testing fp-growth-0.1.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fp-growth 0.1.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fp-growth 0.1.6 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 fp-growth 0.1.6
[INFO] finished tweaking crates.io crate fp-growth 0.1.6
[INFO] tweaked toml for crates.io crate fp-growth 0.1.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate fp-growth 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5eda1894d913aeb64e9ce49014446deea664f4f927cb1a311d369801eb01ebb1
[INFO] running `Command { std: "docker" "start" "-a" "5eda1894d913aeb64e9ce49014446deea664f4f927cb1a311d369801eb01ebb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eda1894d913aeb64e9ce49014446deea664f4f927cb1a311d369801eb01ebb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eda1894d913aeb64e9ce49014446deea664f4f927cb1a311d369801eb01ebb1", kill_on_drop: false }`
[INFO] [stdout] 5eda1894d913aeb64e9ce49014446deea664f4f927cb1a311d369801eb01ebb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a2886dbda44f9eb03d06be55cd47c7bce8c767fc47d4ae9a39f66fbb45186ae6
[INFO] running `Command { std: "docker" "start" "-a" "a2886dbda44f9eb03d06be55cd47c7bce8c767fc47d4ae9a39f66fbb45186ae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a2886dbda44f9eb03d06be55cd47c7bce8c767fc47d4ae9a39f66fbb45186ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2886dbda44f9eb03d06be55cd47c7bce8c767fc47d4ae9a39f66fbb45186ae6", kill_on_drop: false }`
[INFO] [stdout] a2886dbda44f9eb03d06be55cd47c7bce8c767fc47d4ae9a39f66fbb45186ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1f9ece1ca56e3045ba5076816403ef90f6367e67601728cdc61b34e5c8d03e9d
[INFO] running `Command { std: "docker" "start" "-a" "1f9ece1ca56e3045ba5076816403ef90f6367e67601728cdc61b34e5c8d03e9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "1f9ece1ca56e3045ba5076816403ef90f6367e67601728cdc61b34e5c8d03e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9ece1ca56e3045ba5076816403ef90f6367e67601728cdc61b34e5c8d03e9d", kill_on_drop: false }`
[INFO] [stdout] 1f9ece1ca56e3045ba5076816403ef90f6367e67601728cdc61b34e5c8d03e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 31338f9f49d6fb471f8350c9f69d834abbe9e60d5ac1549467faed0b901ed19d
[INFO] running `Command { std: "docker" "start" "-a" "31338f9f49d6fb471f8350c9f69d834abbe9e60d5ac1549467faed0b901ed19d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fp_growth-8e385b13fac4ace3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_node ... ok
[INFO] [stdout] test tests::test_tree ... ok
[INFO] [stdout] test tests::test_algorithm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fp-growth
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31338f9f49d6fb471f8350c9f69d834abbe9e60d5ac1549467faed0b901ed19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31338f9f49d6fb471f8350c9f69d834abbe9e60d5ac1549467faed0b901ed19d", kill_on_drop: false }`
[INFO] [stdout] 31338f9f49d6fb471f8350c9f69d834abbe9e60d5ac1549467faed0b901ed19d