[INFO] fetching crate fp-growth 0.1.6...
[INFO] testing fp-growth-0.1.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fp-growth 0.1.6 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fp-growth 0.1.6 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fp-growth 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0fe34ef47474e7653a4d59e654a5bc2ae55dbd872f40ca848f59fea45ba0d72
[INFO] running `Command { std: "docker" "start" "-a" "b0fe34ef47474e7653a4d59e654a5bc2ae55dbd872f40ca848f59fea45ba0d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0fe34ef47474e7653a4d59e654a5bc2ae55dbd872f40ca848f59fea45ba0d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0fe34ef47474e7653a4d59e654a5bc2ae55dbd872f40ca848f59fea45ba0d72", kill_on_drop: false }`
[INFO] [stdout] b0fe34ef47474e7653a4d59e654a5bc2ae55dbd872f40ca848f59fea45ba0d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 43bfee03f063724253b09564d5e518df5a4386179afe61d6ca4c6b9b0a286642
[INFO] running `Command { std: "docker" "start" "-a" "43bfee03f063724253b09564d5e518df5a4386179afe61d6ca4c6b9b0a286642", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "43bfee03f063724253b09564d5e518df5a4386179afe61d6ca4c6b9b0a286642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43bfee03f063724253b09564d5e518df5a4386179afe61d6ca4c6b9b0a286642", kill_on_drop: false }`
[INFO] [stdout] 43bfee03f063724253b09564d5e518df5a4386179afe61d6ca4c6b9b0a286642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8ca051d6ef8eaf34204da062592ed1f9b572e04a6d0bd11a36d20ad8d9ce636a
[INFO] running `Command { std: "docker" "start" "-a" "8ca051d6ef8eaf34204da062592ed1f9b572e04a6d0bd11a36d20ad8d9ce636a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "8ca051d6ef8eaf34204da062592ed1f9b572e04a6d0bd11a36d20ad8d9ce636a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca051d6ef8eaf34204da062592ed1f9b572e04a6d0bd11a36d20ad8d9ce636a", kill_on_drop: false }`
[INFO] [stdout] 8ca051d6ef8eaf34204da062592ed1f9b572e04a6d0bd11a36d20ad8d9ce636a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4ad2417b8b79245d3a19705c23d8b5432bd0e654e8f4a8e92b72691cf3cefe24
[INFO] running `Command { std: "docker" "start" "-a" "4ad2417b8b79245d3a19705c23d8b5432bd0e654e8f4a8e92b72691cf3cefe24", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fp_growth-b151a77d433b0442)
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ad2417b8b79245d3a19705c23d8b5432bd0e654e8f4a8e92b72691cf3cefe24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad2417b8b79245d3a19705c23d8b5432bd0e654e8f4a8e92b72691cf3cefe24", kill_on_drop: false }`
[INFO] [stdout] 4ad2417b8b79245d3a19705c23d8b5432bd0e654e8f4a8e92b72691cf3cefe24