[INFO] fetching crate fp-growth 0.1.6...
[INFO] testing fp-growth-0.1.6 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate fp-growth 0.1.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fp-growth 0.1.6 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f2bf58b349fb01e3f6643c9497a1d2f2f4774ce00804d53345c8298d74059b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f2bf58b349fb01e3f6643c9497a1d2f2f4774ce00804d53345c8298d74059b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f2bf58b349fb01e3f6643c9497a1d2f2f4774ce00804d53345c8298d74059b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2bf58b349fb01e3f6643c9497a1d2f2f4774ce00804d53345c8298d74059b2", kill_on_drop: false }`
[INFO] [stdout] 9f2bf58b349fb01e3f6643c9497a1d2f2f4774ce00804d53345c8298d74059b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581b7dc944ec0a67df30013326435dc408d30ab48d5136cb82276d3840b49c7b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "581b7dc944ec0a67df30013326435dc408d30ab48d5136cb82276d3840b49c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "581b7dc944ec0a67df30013326435dc408d30ab48d5136cb82276d3840b49c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581b7dc944ec0a67df30013326435dc408d30ab48d5136cb82276d3840b49c7b", kill_on_drop: false }`
[INFO] [stdout] 581b7dc944ec0a67df30013326435dc408d30ab48d5136cb82276d3840b49c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60fb590904817a1046d10f1459b9f7f1f85d27009f7367cf5fc59c5a342f5c44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60fb590904817a1046d10f1459b9f7f1f85d27009f7367cf5fc59c5a342f5c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-growth v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "60fb590904817a1046d10f1459b9f7f1f85d27009f7367cf5fc59c5a342f5c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fb590904817a1046d10f1459b9f7f1f85d27009f7367cf5fc59c5a342f5c44", kill_on_drop: false }`
[INFO] [stdout] 60fb590904817a1046d10f1459b9f7f1f85d27009f7367cf5fc59c5a342f5c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4bdf582c5fc94f0e303c946ad22c1d38a02c69c4c94cf33c3f8771ac10eb9a53
[INFO] running `Command { std: "docker" "start" "-a" "4bdf582c5fc94f0e303c946ad22c1d38a02c69c4c94cf33c3f8771ac10eb9a53", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fp_growth-8e385b13fac4ace3)
[INFO] [stdout] test tests::test_node ... ok
[INFO] [stdout] test tests::test_tree ... ok
[INFO] [stderr]    Doc-tests fp-growth
[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 0.04s
[INFO] [stdout] 
[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 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bdf582c5fc94f0e303c946ad22c1d38a02c69c4c94cf33c3f8771ac10eb9a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdf582c5fc94f0e303c946ad22c1d38a02c69c4c94cf33c3f8771ac10eb9a53", kill_on_drop: false }`
[INFO] [stdout] 4bdf582c5fc94f0e303c946ad22c1d38a02c69c4c94cf33c3f8771ac10eb9a53