[INFO] crate plr 0.1.6 is already in cache
[INFO] testing plr-0.1.6 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate plr 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate plr 0.1.6 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plr 0.1.6
[INFO] finished tweaking crates.io crate plr 0.1.6
[INFO] tweaked toml for crates.io crate plr 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59da0f61d19fd0fb698ef57bdf9e6a66fb21602d94c47af997efb753143eafcc
[INFO] running `"docker" "start" "-a" "59da0f61d19fd0fb698ef57bdf9e6a66fb21602d94c47af997efb753143eafcc"`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling plr v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "59da0f61d19fd0fb698ef57bdf9e6a66fb21602d94c47af997efb753143eafcc"`
[INFO] running `"docker" "rm" "-f" "59da0f61d19fd0fb698ef57bdf9e6a66fb21602d94c47af997efb753143eafcc"`
[INFO] [stdout] 59da0f61d19fd0fb698ef57bdf9e6a66fb21602d94c47af997efb753143eafcc
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72742bc1071b1f419e1153d186cd3636ebc3ac3623f6cf14b7fb49fc476a0e3f
[INFO] running `"docker" "start" "-a" "72742bc1071b1f419e1153d186cd3636ebc3ac3623f6cf14b7fb49fc476a0e3f"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling plr v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "72742bc1071b1f419e1153d186cd3636ebc3ac3623f6cf14b7fb49fc476a0e3f"`
[INFO] running `"docker" "rm" "-f" "72742bc1071b1f419e1153d186cd3636ebc3ac3623f6cf14b7fb49fc476a0e3f"`
[INFO] [stdout] 72742bc1071b1f419e1153d186cd3636ebc3ac3623f6cf14b7fb49fc476a0e3f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74af1f76d7be31a64071eba9b7378b77d2e7e76cb00d76a31c5daae2adbb346f
[INFO] running `"docker" "start" "-a" "74af1f76d7be31a64071eba9b7378b77d2e7e76cb00d76a31c5daae2adbb346f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plr-20bef7521dfdbfc4
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test greedy::test::test_linear ... ok
[INFO] [stdout] test optimal::test::test_upper_hull ... ok
[INFO] [stdout] test optimal::test::test_linear ... ok
[INFO] [stdout] test optimal::test::test_lower_hull ... ok
[INFO] [stdout] test util::test::test_above_below ... ok
[INFO] [stdout] test util::test::test_line ... ok
[INFO] [stdout] test util::test::test_slope ... ok
[INFO] [stdout] test util::test::test_intersection ... ok
[INFO] [stdout] test greedy::test::test_sin ... ok
[INFO] [stderr]    Doc-tests plr
[INFO] [stdout] test optimal::test::test_sin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/optimal.rs - optimal::OptimalPLR::new (line 134) ... ok
[INFO] [stdout] test src/greedy.rs - greedy::GreedyPLR::new (line 85) ... ok
[INFO] [stdout] test src/greedy.rs - greedy::GreedyPLR (line 38) ... ok
[INFO] [stdout] test src/optimal.rs - optimal::OptimalPLR (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74af1f76d7be31a64071eba9b7378b77d2e7e76cb00d76a31c5daae2adbb346f"`
[INFO] running `"docker" "rm" "-f" "74af1f76d7be31a64071eba9b7378b77d2e7e76cb00d76a31c5daae2adbb346f"`
[INFO] [stdout] 74af1f76d7be31a64071eba9b7378b77d2e7e76cb00d76a31c5daae2adbb346f