[INFO] fetching crate blossom 0.4.0...
[INFO] testing blossom-0.4.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate blossom 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate blossom 0.4.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blossom 0.4.0
[INFO] finished tweaking crates.io crate blossom 0.4.0
[INFO] tweaked toml for crates.io crate blossom 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] f79118a3f850fd25c115c1d17e131177655ebb6cef122dded611c8e460795084
[INFO] running `Command { std: "docker" "start" "-a" "f79118a3f850fd25c115c1d17e131177655ebb6cef122dded611c8e460795084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79118a3f850fd25c115c1d17e131177655ebb6cef122dded611c8e460795084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79118a3f850fd25c115c1d17e131177655ebb6cef122dded611c8e460795084", kill_on_drop: false }`
[INFO] [stdout] f79118a3f850fd25c115c1d17e131177655ebb6cef122dded611c8e460795084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb3c4ba6808d7025a9ce3b23dc5f8ef384091c9b575860a307548c72fdbe6ce0
[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" "bb3c4ba6808d7025a9ce3b23dc5f8ef384091c9b575860a307548c72fdbe6ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling blossom v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "bb3c4ba6808d7025a9ce3b23dc5f8ef384091c9b575860a307548c72fdbe6ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3c4ba6808d7025a9ce3b23dc5f8ef384091c9b575860a307548c72fdbe6ce0", kill_on_drop: false }`
[INFO] [stdout] bb3c4ba6808d7025a9ce3b23dc5f8ef384091c9b575860a307548c72fdbe6ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] dc29f52fd7baa6fe28963045d02b4048ed9d9866f69c8dac7172437809ac4da7
[INFO] running `Command { std: "docker" "start" "-a" "dc29f52fd7baa6fe28963045d02b4048ed9d9866f69c8dac7172437809ac4da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[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 clap v2.33.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling blossom v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 41.51s
[INFO] running `Command { std: "docker" "inspect" "dc29f52fd7baa6fe28963045d02b4048ed9d9866f69c8dac7172437809ac4da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc29f52fd7baa6fe28963045d02b4048ed9d9866f69c8dac7172437809ac4da7", kill_on_drop: false }`
[INFO] [stdout] dc29f52fd7baa6fe28963045d02b4048ed9d9866f69c8dac7172437809ac4da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 83ff36faaa272f3b32f6358312b46dd471cf21bf20390dc6934e363a12e8cc89
[INFO] running `Command { std: "docker" "start" "-a" "83ff36faaa272f3b32f6358312b46dd471cf21bf20390dc6934e363a12e8cc89", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blossom-726514a6b701ea19)
[INFO] [stdout] test connect::two_groups ... ok
[INFO] [stdout] test graph::find_augmenting_path_maybe_blossom1 ... ok
[INFO] [stdout] test graph::lift_root ... ok
[INFO] [stdout] test graph::contract ... ok
[INFO] [stdout] test weighted::find_match_sparse ... ok
[INFO] [stdout] test graph::find_augmenting_path_one ... ok
[INFO] [stdout] test graph::find_augmenting_path_two ... ok
[INFO] [stdout] test graph::find_match_four ... ok
[INFO] [stdout] test graph::find_match_one ... ok
[INFO] [stdout] test weighted::find_match_dense ... ok
[INFO] [stdout] test graph::find_match_two ... ok
[INFO] [stdout] test graph::lift_right ... ok
[INFO] [stdout] test graph::contract_take_edge_from_leaf ... ok
[INFO] [stdout] test graph::find_augmenting_path_maybe_blossom2 ... ok
[INFO] [stdout] test graph::lift_left ... ok
[INFO] [stdout] test graph::lift_order ... ok
[INFO] [stdout] test graph::bench::test_random_10 ... ok
[INFO] [stdout] test graph::bench::test_random_12 ... ok
[INFO] [stdout] test graph::bench::test_random_100 ... ok
[INFO] [stdout] test graph::bench::test_random_1000 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blossom
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/graph.rs - graph::AnnotatedGraph<Annotation>::new (line 38) ... ok
[INFO] [stdout] test src/graph.rs - graph::AnnotatedGraph<Annotation>::maximum_matching (line 237) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83ff36faaa272f3b32f6358312b46dd471cf21bf20390dc6934e363a12e8cc89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ff36faaa272f3b32f6358312b46dd471cf21bf20390dc6934e363a12e8cc89", kill_on_drop: false }`
[INFO] [stdout] 83ff36faaa272f3b32f6358312b46dd471cf21bf20390dc6934e363a12e8cc89