[INFO] fetching crate external_sort 0.1.2...
[INFO] testing external_sort-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate external_sort 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate external_sort 0.1.2 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 external_sort 0.1.2
[INFO] finished tweaking crates.io crate external_sort 0.1.2
[INFO] tweaked toml for crates.io crate external_sort 0.1.2 written to /workspace/builds/worker-4/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] 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-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" "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] 7d8f0a7561ff6840a1f85e91001676f88c5a5f4e7594f78cf188a6edab8fd7b1
[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" "7d8f0a7561ff6840a1f85e91001676f88c5a5f4e7594f78cf188a6edab8fd7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8f0a7561ff6840a1f85e91001676f88c5a5f4e7594f78cf188a6edab8fd7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8f0a7561ff6840a1f85e91001676f88c5a5f4e7594f78cf188a6edab8fd7b1", kill_on_drop: false }`
[INFO] [stdout] 7d8f0a7561ff6840a1f85e91001676f88c5a5f4e7594f78cf188a6edab8fd7b1
[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=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] 11280ba4ec2edd79cea5e90678c3c4d6e418fa7f02b6314ec1126b3a89301781
[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" "11280ba4ec2edd79cea5e90678c3c4d6e418fa7f02b6314ec1126b3a89301781", kill_on_drop: false }`
[INFO] [stderr]    Compiling external_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "11280ba4ec2edd79cea5e90678c3c4d6e418fa7f02b6314ec1126b3a89301781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11280ba4ec2edd79cea5e90678c3c4d6e418fa7f02b6314ec1126b3a89301781", kill_on_drop: false }`
[INFO] [stdout] 11280ba4ec2edd79cea5e90678c3c4d6e418fa7f02b6314ec1126b3a89301781
[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=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] [stdout] 94f6928fbc5a64dc60dc99ed32a7fada0eebaec0a9a7ac9f21dbdd3c770fa0cf
[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" "94f6928fbc5a64dc60dc99ed32a7fada0eebaec0a9a7ac9f21dbdd3c770fa0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling external_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "94f6928fbc5a64dc60dc99ed32a7fada0eebaec0a9a7ac9f21dbdd3c770fa0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f6928fbc5a64dc60dc99ed32a7fada0eebaec0a9a7ac9f21dbdd3c770fa0cf", kill_on_drop: false }`
[INFO] [stdout] 94f6928fbc5a64dc60dc99ed32a7fada0eebaec0a9a7ac9f21dbdd3c770fa0cf
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 339b081c8d3aef5e6c339216c0c1c3ffdc6b3f6fa1980d6a28f03132145fd9b9
[INFO] running `Command { std: "docker" "start" "-a" "339b081c8d3aef5e6c339216c0c1c3ffdc6b3f6fa1980d6a28f03132145fd9b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/external_sort-f5a6612e421d43af
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/external_sort-7327b6c2091c546a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test reverse ... ok
[INFO] [stdout] test zero_buff ... ok
[INFO] [stdout] test reuse ... ok
[INFO] [stdout] test large_buff ... ok
[INFO] [stdout] test sort ... ok
[INFO] [stdout] test handle_fail ... ok
[INFO] [stdout] test large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests external_sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/external_sort.rs - external_sort::ExternalSorter (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "339b081c8d3aef5e6c339216c0c1c3ffdc6b3f6fa1980d6a28f03132145fd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339b081c8d3aef5e6c339216c0c1c3ffdc6b3f6fa1980d6a28f03132145fd9b9", kill_on_drop: false }`
[INFO] [stdout] 339b081c8d3aef5e6c339216c0c1c3ffdc6b3f6fa1980d6a28f03132145fd9b9