[INFO] fetching crate empfindung 0.2.3...
[INFO] testing empfindung-0.2.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate empfindung 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate empfindung 0.2.3 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] started tweaking crates.io crate empfindung 0.2.3
[INFO] finished tweaking crates.io crate empfindung 0.2.3
[INFO] tweaked toml for crates.io crate empfindung 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate empfindung 0.2.3 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4f045efc19a3239d5ffcd1d5a5c3d19680da5aa6b802d11ff673ad153185116b
[INFO] running `Command { std: "docker" "start" "-a" "4f045efc19a3239d5ffcd1d5a5c3d19680da5aa6b802d11ff673ad153185116b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f045efc19a3239d5ffcd1d5a5c3d19680da5aa6b802d11ff673ad153185116b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f045efc19a3239d5ffcd1d5a5c3d19680da5aa6b802d11ff673ad153185116b", kill_on_drop: false }`
[INFO] [stdout] 4f045efc19a3239d5ffcd1d5a5c3d19680da5aa6b802d11ff673ad153185116b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d9f547bdf2ca9f2c5a81eed3bbad182076ca7b0ca6fe5fb6cd06aef7d13abccc
[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" "d9f547bdf2ca9f2c5a81eed3bbad182076ca7b0ca6fe5fb6cd06aef7d13abccc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lab v0.10.0
[INFO] [stderr]    Compiling empfindung v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "d9f547bdf2ca9f2c5a81eed3bbad182076ca7b0ca6fe5fb6cd06aef7d13abccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f547bdf2ca9f2c5a81eed3bbad182076ca7b0ca6fe5fb6cd06aef7d13abccc", kill_on_drop: false }`
[INFO] [stdout] d9f547bdf2ca9f2c5a81eed3bbad182076ca7b0ca6fe5fb6cd06aef7d13abccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fc22cb1c136500f87c458ba11c24c230b87bf2b3a26a7b90d2078bbdeea699b
[INFO] running `Command { std: "docker" "start" "-a" "5fc22cb1c136500f87c458ba11c24c230b87bf2b3a26a7b90d2078bbdeea699b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling empfindung v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "5fc22cb1c136500f87c458ba11c24c230b87bf2b3a26a7b90d2078bbdeea699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc22cb1c136500f87c458ba11c24c230b87bf2b3a26a7b90d2078bbdeea699b", kill_on_drop: false }`
[INFO] [stdout] 5fc22cb1c136500f87c458ba11c24c230b87bf2b3a26a7b90d2078bbdeea699b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] b1437e69f97c235de771ab779f478258ae23e79515959bc676ee92fa5859db48
[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" "b1437e69f97c235de771ab779f478258ae23e79515959bc676ee92fa5859db48", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empfindung-164ad22ffdca0e18)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test cie00::tests::test_difference ... ok
[INFO] [stdout] test cie00::tests::test_symmetric ... ok
[INFO] [stdout] test cie00::tests::test_symmetric_with_params ... ok
[INFO] [stdout] test cmc::tests::test_difference ... ok
[INFO] [stdout] test cie76::tests::test_difference ... ok
[INFO] [stdout] test cie76::tests::test_symmetric ... ok
[INFO] [stdout] test cie94::tests::test_difference ... ok
[INFO] [stdout] test cie00::tests::test_zero_with_params ... ok
[INFO] [stdout] test cie00::tests::test_zero ... ok
[INFO] [stdout] test cie76::tests::test_zero ... ok
[INFO] [stdout] test cie94::tests::test_zero_graphic ... ok
[INFO] [stdout] test cie94::tests::test_zero_textiles ... ok
[INFO] [stdout] test cmc::tests::test_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empfindung
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/cmc.rs - cmc::diff_rgb (line 109) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::diff_with_params (line 111) ... ok
[INFO] [stdout] test src/cie94.rs - cie94::diff_rgb (line 151) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::diff (line 35) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::DE2000::from_rgb (line 274) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::diff_rgb (line 67) ... ok
[INFO] [stdout] test src/cmc.rs - cmc::diff (line 36) ... ok
[INFO] [stdout] test src/cie76.rs - cie76::diff (line 32) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::diff_rgb_with_params (line 202) ... ok
[INFO] [stdout] test src/cie94.rs - cie94::diff (line 90) ... ok
[INFO] [stdout] test src/cie76.rs - cie76::diff_rgb (line 69) ... ok
[INFO] [stdout] test src/cie00.rs - cie00::DE2000::new (line 241) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1437e69f97c235de771ab779f478258ae23e79515959bc676ee92fa5859db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1437e69f97c235de771ab779f478258ae23e79515959bc676ee92fa5859db48", kill_on_drop: false }`
[INFO] [stdout] b1437e69f97c235de771ab779f478258ae23e79515959bc676ee92fa5859db48