[INFO] fetching crate microkelvin 0.10.0...
[INFO] testing microkelvin-0.10.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate microkelvin 0.10.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate microkelvin 0.10.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking crates.io crate microkelvin 0.10.0
[INFO] finished tweaking crates.io crate microkelvin 0.10.0
[INFO] tweaked toml for crates.io crate microkelvin 0.10.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 4311cef578956d8262375485e0db2e97c87d92ef9fd02b431e01e7ffa0ef1681
[INFO] running `Command { std: "docker" "start" "-a" "4311cef578956d8262375485e0db2e97c87d92ef9fd02b431e01e7ffa0ef1681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4311cef578956d8262375485e0db2e97c87d92ef9fd02b431e01e7ffa0ef1681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4311cef578956d8262375485e0db2e97c87d92ef9fd02b431e01e7ffa0ef1681", kill_on_drop: false }`
[INFO] [stdout] 4311cef578956d8262375485e0db2e97c87d92ef9fd02b431e01e7ffa0ef1681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf03c25969938b1170f02e3a99e9fe7f19742f1c60ce7866d2aabf61ebb7ae54
[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" "bf03c25969938b1170f02e3a99e9fe7f19742f1c60ce7866d2aabf61ebb7ae54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]    Compiling dusk-varint v0.1.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling blake2b_simd v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling canonical v0.6.5
[INFO] [stderr]    Compiling canonical_derive v0.6.0
[INFO] [stderr]    Compiling microkelvin v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "bf03c25969938b1170f02e3a99e9fe7f19742f1c60ce7866d2aabf61ebb7ae54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf03c25969938b1170f02e3a99e9fe7f19742f1c60ce7866d2aabf61ebb7ae54", kill_on_drop: false }`
[INFO] [stdout] bf03c25969938b1170f02e3a99e9fe7f19742f1c60ce7866d2aabf61ebb7ae54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b43819a90ed5ca2614cc53b70aefcdb27cf52bf21bbaa430a003867a0405e89e
[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" "b43819a90ed5ca2614cc53b70aefcdb27cf52bf21bbaa430a003867a0405e89e", kill_on_drop: false }`
[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 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "b43819a90ed5ca2614cc53b70aefcdb27cf52bf21bbaa430a003867a0405e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43819a90ed5ca2614cc53b70aefcdb27cf52bf21bbaa430a003867a0405e89e", kill_on_drop: false }`
[INFO] [stdout] b43819a90ed5ca2614cc53b70aefcdb27cf52bf21bbaa430a003867a0405e89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 06ef5c7707953a2acfa4db4977e36f2bd5a7f0be370c3a9611bef55ef03d02ec
[INFO] running `Command { std: "docker" "start" "-a" "06ef5c7707953a2acfa4db4977e36f2bd5a7f0be370c3a9611bef55ef03d02ec", 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-ce513238c1129cf4)
[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] [stderr]      Running tests/generic.rs (/opt/rustwide/target/debug/deps/generic-a9bfafd9aea3ed11)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/linked_list.rs (/opt/rustwide/target/debug/deps/linked_list-8844ab073589b78a)
[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 10 tests
[INFO] [stdout] test iterate_map_mutable ... ok
[INFO] [stdout] test deref_mapped_mutable_branch ... ok
[INFO] [stdout] test iterate_immutable ... ok
[INFO] [stdout] test push ... ok
[INFO] [stdout] test push_pop ... ok
[INFO] [stdout] test iterate_mutable ... ok
[INFO] [stdout] test iterate_map ... ok
[INFO] [stdout] test push_cardinality ... 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 1.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/max.rs (/opt/rustwide/target/debug/deps/max-b9c6f960286e6dbe)
[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_map_mutable ... ok
[INFO] [stdout] test linked_list::iterate_mutable ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test linked_list::push_cardinality ... 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-3cea5b9438d7981c)
[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 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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::deref_mapped_mutable_branch ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::iterate_immutable ... ok
[INFO] [stdout] test linked_list::iterate_map_mutable ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test maximum_multiple ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[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 1.16s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/persistence.rs (/opt/rustwide/target/debug/deps/persistence-b1678fdfbefe5c93)
[INFO] [stdout] 
[INFO] [stdout] running 10 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_map_mutable ... ok
[INFO] [stdout] test linked_list::iterate_mutable ... ok
[INFO] [stdout] test linked_list::push ... ok
[INFO] [stdout] test linked_list::push_cardinality ... ok
[INFO] [stdout] test linked_list::iterate_map ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[INFO] [stderr]      Running tests/restore_without_persist.rs (/opt/rustwide/target/debug/deps/restore_without_persist-d3717e14cec39d09)
[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 1.13s
[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::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_mutable ... ok
[INFO] [stdout] test linked_list::push_cardinality ... ok
[INFO] [stdout] test linked_list::push_pop ... ok
[INFO] [stdout] test non_persist_tests::link ... ok
[INFO] [stdout] test linked_list::push_nth ... ok
[INFO] [stderr]    Doc-tests microkelvin
[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 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" "06ef5c7707953a2acfa4db4977e36f2bd5a7f0be370c3a9611bef55ef03d02ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ef5c7707953a2acfa4db4977e36f2bd5a7f0be370c3a9611bef55ef03d02ec", kill_on_drop: false }`
[INFO] [stdout] 06ef5c7707953a2acfa4db4977e36f2bd5a7f0be370c3a9611bef55ef03d02ec