[INFO] fetching crate microkelvin 0.9.1...
[INFO] testing microkelvin-0.9.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate microkelvin 0.9.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate microkelvin 0.9.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking crates.io crate microkelvin 0.9.1
[INFO] finished tweaking crates.io crate microkelvin 0.9.1
[INFO] tweaked toml for crates.io crate microkelvin 0.9.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 1f1042a64c6b4cb0f2b9cf5624efb01ef13f6ce9caae5f96df834c3a6a1282b6
[INFO] running `Command { std: "docker" "start" "-a" "1f1042a64c6b4cb0f2b9cf5624efb01ef13f6ce9caae5f96df834c3a6a1282b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1042a64c6b4cb0f2b9cf5624efb01ef13f6ce9caae5f96df834c3a6a1282b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1042a64c6b4cb0f2b9cf5624efb01ef13f6ce9caae5f96df834c3a6a1282b6", kill_on_drop: false }`
[INFO] [stdout] 1f1042a64c6b4cb0f2b9cf5624efb01ef13f6ce9caae5f96df834c3a6a1282b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", 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] 1c101895abb91c30a71cb1dd5fa3eb5c88e89ca6797f35867a17b3bcecb5b6a1
[INFO] running `Command { std: "docker" "start" "-a" "1c101895abb91c30a71cb1dd5fa3eb5c88e89ca6797f35867a17b3bcecb5b6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling dusk-varint v0.1.0
[INFO] [stderr]    Compiling blake2b_simd v0.3.1
[INFO] [stderr]    Compiling derive_arbitrary v1.0.1
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]    Compiling canonical v0.6.5
[INFO] [stderr]    Compiling canonical_derive v0.6.0
[INFO] [stderr]    Compiling microkelvin v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "1c101895abb91c30a71cb1dd5fa3eb5c88e89ca6797f35867a17b3bcecb5b6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c101895abb91c30a71cb1dd5fa3eb5c88e89ca6797f35867a17b3bcecb5b6a1", kill_on_drop: false }`
[INFO] [stdout] 1c101895abb91c30a71cb1dd5fa3eb5c88e89ca6797f35867a17b3bcecb5b6a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", 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] e601ec88188f8b1d5d8fbb063e691bd52d80b7bd1083b23f43700cdd25c8b8fd
[INFO] running `Command { std: "docker" "start" "-a" "e601ec88188f8b1d5d8fbb063e691bd52d80b7bd1083b23f43700cdd25c8b8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling canonical_fuzz v0.6.2
[INFO] [stderr]    Compiling microkelvin v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "e601ec88188f8b1d5d8fbb063e691bd52d80b7bd1083b23f43700cdd25c8b8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e601ec88188f8b1d5d8fbb063e691bd52d80b7bd1083b23f43700cdd25c8b8fd", kill_on_drop: false }`
[INFO] [stdout] e601ec88188f8b1d5d8fbb063e691bd52d80b7bd1083b23f43700cdd25c8b8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81730c5af61f0b7c5196b0349572877de1a4c13b18a72c60942559afddc42437
[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" "81730c5af61f0b7c5196b0349572877de1a4c13b18a72c60942559afddc42437", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/microkelvin-5582cbf9c5f77cfd)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generic.rs (/opt/rustwide/target/debug/deps/generic-2f8a482ed792d15f)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fuzz_generic_child ... ok
[INFO] [stderr]      Running tests/linked_list.rs (/opt/rustwide/target/debug/deps/linked_list-08d6e479c29e3862)
[INFO] [stdout] test fuzz_generic_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test deref_mapped_mutable_branch ... ok
[INFO] [stdout] test iterate_immutable ... ok
[INFO] [stdout] test iterate_mutable ... ok
[INFO] [stdout] test push ... ok
[INFO] [stdout] test push_cardinality ... ok
[INFO] [stdout] test iterate_map_mutable ... ok
[INFO] [stdout] test iterate_map ... ok
[INFO] [stdout] test push_pop ... ok
[INFO] [stdout] test push_nth ... ok
[INFO] [stdout] test push_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/max.rs (/opt/rustwide/target/debug/deps/max-588edcce02b3f088)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test linked_list::deref_mapped_mutable_branch ... ok
[INFO] [stdout] test linked_list::iterate_immutable ... ok
[INFO] [stdout] test linked_list::iterate_mutable ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test linked_list::push_cardinality ... ok
[INFO] [stdout] test linked_list::iterate_map_mutable ... ok
[INFO] [stdout] test maximum ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[INFO] [stderr]      Running tests/multiple.rs (/opt/rustwide/target/debug/deps/multiple-51f15587ff1b2d3a)
[INFO] [stdout] test linked_list::push_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test linked_list::deref_mapped_mutable_branch ... ok
[INFO] [stdout] test linked_list::iterate_immutable ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test linked_list::iterate_mutable ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::iterate_map_mutable ... ok
[INFO] [stdout] test linked_list::push_cardinality ... ok
[INFO] [stdout] test maximum_multiple ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[INFO] [stdout] test linked_list::push_mut ... ok
[INFO] [stderr]      Running tests/persistance.rs (/opt/rustwide/target/debug/deps/persistance-40b249d86f261610)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test linked_list::deref_mapped_mutable_branch ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test linked_list::iterate_map_mutable ... ok
[INFO] [stdout] test linked_list::iterate_immutable ... ok
[INFO] [stdout] test linked_list::iterate_mutable ... ok
[INFO] [stdout] test linked_list::push_cardinality ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[INFO] [stdout] test linked_list::push_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests microkelvin
[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" "81730c5af61f0b7c5196b0349572877de1a4c13b18a72c60942559afddc42437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81730c5af61f0b7c5196b0349572877de1a4c13b18a72c60942559afddc42437", kill_on_drop: false }`
[INFO] [stdout] 81730c5af61f0b7c5196b0349572877de1a4c13b18a72c60942559afddc42437