[INFO] fetching crate lis 1.0.0...
[INFO] testing lis-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lis 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lis 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lis 1.0.0
[INFO] finished tweaking crates.io crate lis 1.0.0
[INFO] tweaked toml for crates.io crate lis 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ec2d0b61f90ff341cfdc80bb6aca38e253e19e00e718ef102f99f53b8f8d48
[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" "d2ec2d0b61f90ff341cfdc80bb6aca38e253e19e00e718ef102f99f53b8f8d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ec2d0b61f90ff341cfdc80bb6aca38e253e19e00e718ef102f99f53b8f8d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ec2d0b61f90ff341cfdc80bb6aca38e253e19e00e718ef102f99f53b8f8d48", kill_on_drop: false }`
[INFO] [stdout] d2ec2d0b61f90ff341cfdc80bb6aca38e253e19e00e718ef102f99f53b8f8d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbdb92718e2bf4848620a2cc198ae7c1a2e3586ff3f09d18e4892037de0adeb7
[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" "cbdb92718e2bf4848620a2cc198ae7c1a2e3586ff3f09d18e4892037de0adeb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lis v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "cbdb92718e2bf4848620a2cc198ae7c1a2e3586ff3f09d18e4892037de0adeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdb92718e2bf4848620a2cc198ae7c1a2e3586ff3f09d18e4892037de0adeb7", kill_on_drop: false }`
[INFO] [stdout] cbdb92718e2bf4848620a2cc198ae7c1a2e3586ff3f09d18e4892037de0adeb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1822d4d0c6d5258a73d50470c6b743d0aa890f93d67ae8dd88591063b89e93f4
[INFO] running `Command { std: "docker" "start" "-a" "1822d4d0c6d5258a73d50470c6b743d0aa890f93d67ae8dd88591063b89e93f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lis v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "1822d4d0c6d5258a73d50470c6b743d0aa890f93d67ae8dd88591063b89e93f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1822d4d0c6d5258a73d50470c6b743d0aa890f93d67ae8dd88591063b89e93f4", kill_on_drop: false }`
[INFO] [stdout] 1822d4d0c6d5258a73d50470c6b743d0aa890f93d67ae8dd88591063b89e93f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59531b568e8ffff1a38ad48dce81ecc971a1d77283734138a84093f44760e4e6
[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" "59531b568e8ffff1a38ad48dce81ecc971a1d77283734138a84093f44760e4e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lis-169318a2bb790a55
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::len_zero ... ok
[INFO] [stdout] test tests::lis_test ... ok
[INFO] [stdout] test tests::len_one ... ok
[INFO] [stdout] test tests::test_diff_powerset_seven ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lis
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - LisExt::longest_increasing_subsequence_by (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59531b568e8ffff1a38ad48dce81ecc971a1d77283734138a84093f44760e4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59531b568e8ffff1a38ad48dce81ecc971a1d77283734138a84093f44760e4e6", kill_on_drop: false }`
[INFO] [stdout] 59531b568e8ffff1a38ad48dce81ecc971a1d77283734138a84093f44760e4e6