[INFO] fetching crate bubble-sort 0.2.0...
[INFO] testing bubble-sort-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bubble-sort 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bubble-sort 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bubble-sort 0.2.0
[INFO] finished tweaking crates.io crate bubble-sort 0.2.0
[INFO] tweaked toml for crates.io crate bubble-sort 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "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] 8b87fbbc6b9bc99c7ff45975c4e2e875eca69932c09c670ecf9c2a13b1b3ab62
[INFO] running `Command { std: "docker" "start" "-a" "8b87fbbc6b9bc99c7ff45975c4e2e875eca69932c09c670ecf9c2a13b1b3ab62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b87fbbc6b9bc99c7ff45975c4e2e875eca69932c09c670ecf9c2a13b1b3ab62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b87fbbc6b9bc99c7ff45975c4e2e875eca69932c09c670ecf9c2a13b1b3ab62", kill_on_drop: false }`
[INFO] [stdout] 8b87fbbc6b9bc99c7ff45975c4e2e875eca69932c09c670ecf9c2a13b1b3ab62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947d1d65040df0bfe6fd4bf20128da314d76871a147c8f27306a76c7704358e0
[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" "947d1d65040df0bfe6fd4bf20128da314d76871a147c8f27306a76c7704358e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubble-sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "947d1d65040df0bfe6fd4bf20128da314d76871a147c8f27306a76c7704358e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947d1d65040df0bfe6fd4bf20128da314d76871a147c8f27306a76c7704358e0", kill_on_drop: false }`
[INFO] [stdout] 947d1d65040df0bfe6fd4bf20128da314d76871a147c8f27306a76c7704358e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa28e14c2ce7a490b9c8be88db5b2c2efcbe1172c0ce386dc615d8321bbf472
[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" "5fa28e14c2ce7a490b9c8be88db5b2c2efcbe1172c0ce386dc615d8321bbf472", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubble-sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "5fa28e14c2ce7a490b9c8be88db5b2c2efcbe1172c0ce386dc615d8321bbf472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa28e14c2ce7a490b9c8be88db5b2c2efcbe1172c0ce386dc615d8321bbf472", kill_on_drop: false }`
[INFO] [stdout] 5fa28e14c2ce7a490b9c8be88db5b2c2efcbe1172c0ce386dc615d8321bbf472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9640b376bf97297791297b2d1eba0ef5f7abc888f4837e91cc3a72e5bfc0464
[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" "a9640b376bf97297791297b2d1eba0ef5f7abc888f4837e91cc3a72e5bfc0464", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bubble_sort-d67995236641f62f
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bubble-sort
[INFO] [stdout] test tests::test_bubble_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9640b376bf97297791297b2d1eba0ef5f7abc888f4837e91cc3a72e5bfc0464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9640b376bf97297791297b2d1eba0ef5f7abc888f4837e91cc3a72e5bfc0464", kill_on_drop: false }`
[INFO] [stdout] a9640b376bf97297791297b2d1eba0ef5f7abc888f4837e91cc3a72e5bfc0464