[INFO] fetching crate sparse_linear_assignment 0.1.5...
[INFO] testing sparse_linear_assignment-0.1.5 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate sparse_linear_assignment 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sparse_linear_assignment 0.1.5 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 sparse_linear_assignment 0.1.5
[INFO] finished tweaking crates.io crate sparse_linear_assignment 0.1.5
[INFO] tweaked toml for crates.io crate sparse_linear_assignment 0.1.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-tests v0.1.2
[INFO] [stderr]   Downloaded reservoir-sampling v0.5.1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d360517a214516afbfb3f9737c3b094e9831b4966943131db62777bb5cb2a9
[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" "a6d360517a214516afbfb3f9737c3b094e9831b4966943131db62777bb5cb2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d360517a214516afbfb3f9737c3b094e9831b4966943131db62777bb5cb2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d360517a214516afbfb3f9737c3b094e9831b4966943131db62777bb5cb2a9", kill_on_drop: false }`
[INFO] [stdout] a6d360517a214516afbfb3f9737c3b094e9831b4966943131db62777bb5cb2a9
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe15fb63f7818b2b11b64df8f69cb0d7b34624a5e134a45ea050bcfbb29dca0
[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" "7fe15fb63f7818b2b11b64df8f69cb0d7b34624a5e134a45ea050bcfbb29dca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling sparse_linear_assignment v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.94s
[INFO] running `Command { std: "docker" "inspect" "7fe15fb63f7818b2b11b64df8f69cb0d7b34624a5e134a45ea050bcfbb29dca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe15fb63f7818b2b11b64df8f69cb0d7b34624a5e134a45ea050bcfbb29dca0", kill_on_drop: false }`
[INFO] [stdout] 7fe15fb63f7818b2b11b64df8f69cb0d7b34624a5e134a45ea050bcfbb29dca0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 921b88fb76ca0fd88ce5096969b75f63e2c91a33b1fb1f6a9912f6f00e188b1c
[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" "921b88fb76ca0fd88ce5096969b75f63e2c91a33b1fb1f6a9912f6f00e188b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling generic-tests v0.1.2
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[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 csv v1.1.6
[INFO] [stderr]    Compiling reservoir-sampling v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling sparse_linear_assignment v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.92s
[INFO] running `Command { std: "docker" "inspect" "921b88fb76ca0fd88ce5096969b75f63e2c91a33b1fb1f6a9912f6f00e188b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921b88fb76ca0fd88ce5096969b75f63e2c91a33b1fb1f6a9912f6f00e188b1c", kill_on_drop: false }`
[INFO] [stdout] 921b88fb76ca0fd88ce5096969b75f63e2c91a33b1fb1f6a9912f6f00e188b1c
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f89ebbed7f7391b60ac2277b425f757d0910e70ffa4af4892802790e6ae2c1fd
[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" "f89ebbed7f7391b60ac2277b425f757d0910e70ffa4af4892802790e6ae2c1fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sparse_linear_assignment-72b0dd0b78bbdff2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test solver::tests::khosla::test_fixed_cases ... ok
[INFO] [stdout] test solver::tests::khosla::test_random_no_perfect_matching ... ok
[INFO] [stdout] test solver::tests::khosla::test_random_solve_small ... ok
[INFO] [stdout] test symmetric::tests::test_push_all_left ... ok
[INFO] [stdout] test solver::tests::forwardauction::test_random_solve_small ... ok
[INFO] [stdout] test symmetric::tests::test_cumulative_idx_diff ... ok
[INFO] [stdout] test solver::tests::forwardauction::test_fixed_cases ... ok
[INFO] [stdout] test solver::tests::khosla::test_random_large ... ok
[INFO] [stdout] test solver::tests::forwardauction::test_random_large ... ok
[INFO] [stdout] test solver::tests::forwardauction::test_random_no_perfect_matching ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse_linear_assignment
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ksparse.rs - ksparse::KhoslaSolver (line 22) ... ok
[INFO] [stdout] test src/symmetric.rs - symmetric::ForwardAuctionSolver (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f89ebbed7f7391b60ac2277b425f757d0910e70ffa4af4892802790e6ae2c1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89ebbed7f7391b60ac2277b425f757d0910e70ffa4af4892802790e6ae2c1fd", kill_on_drop: false }`
[INFO] [stdout] f89ebbed7f7391b60ac2277b425f757d0910e70ffa4af4892802790e6ae2c1fd