[INFO] fetching crate polar-prost 0.1.0...
[INFO] testing polar-prost-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate polar-prost 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polar-prost 0.1.0 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 polar-prost 0.1.0
[INFO] finished tweaking crates.io crate polar-prost 0.1.0
[INFO] tweaked toml for crates.io crate polar-prost 0.1.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cdd77316a3d8f561dc99692bce034ffbb281ed3edf924cb5e294e47a1e00e73
[INFO] running `Command { std: "docker" "start" "-a" "3cdd77316a3d8f561dc99692bce034ffbb281ed3edf924cb5e294e47a1e00e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdd77316a3d8f561dc99692bce034ffbb281ed3edf924cb5e294e47a1e00e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdd77316a3d8f561dc99692bce034ffbb281ed3edf924cb5e294e47a1e00e73", kill_on_drop: false }`
[INFO] [stdout] 3cdd77316a3d8f561dc99692bce034ffbb281ed3edf924cb5e294e47a1e00e73
[INFO] running `Command { std: "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" "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] bfbe7aec873c29dc57ac47be22cdda92880eb74e8442e56f616c62e76769f69f
[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" "bfbe7aec873c29dc57ac47be22cdda92880eb74e8442e56f616c62e76769f69f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling polar-prost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.80s
[INFO] running `Command { std: "docker" "inspect" "bfbe7aec873c29dc57ac47be22cdda92880eb74e8442e56f616c62e76769f69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbe7aec873c29dc57ac47be22cdda92880eb74e8442e56f616c62e76769f69f", kill_on_drop: false }`
[INFO] [stdout] bfbe7aec873c29dc57ac47be22cdda92880eb74e8442e56f616c62e76769f69f
[INFO] running `Command { std: "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" "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] 72080d0174aed5e53dfb7fa20da1c13cd6c9bd38ae78c33689b9307a0888fa14
[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" "72080d0174aed5e53dfb7fa20da1c13cd6c9bd38ae78c33689b9307a0888fa14", kill_on_drop: false }`
[INFO] [stderr]    Compiling polar-prost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "72080d0174aed5e53dfb7fa20da1c13cd6c9bd38ae78c33689b9307a0888fa14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72080d0174aed5e53dfb7fa20da1c13cd6c9bd38ae78c33689b9307a0888fa14", kill_on_drop: false }`
[INFO] [stdout] 72080d0174aed5e53dfb7fa20da1c13cd6c9bd38ae78c33689b9307a0888fa14
[INFO] running `Command { std: "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" "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] f8a51b0c005d62422c5a74f2960344b80c1ce19075e2051b1bf7c6304f94b0d0
[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" "f8a51b0c005d62422c5a74f2960344b80c1ce19075e2051b1bf7c6304f94b0d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polar_prost-39623885c6ebdc53
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/works-7b61b132b73e3a00
[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 1 test
[INFO] [stdout] test works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polar-prost
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f8a51b0c005d62422c5a74f2960344b80c1ce19075e2051b1bf7c6304f94b0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a51b0c005d62422c5a74f2960344b80c1ce19075e2051b1bf7c6304f94b0d0", kill_on_drop: false }`
[INFO] [stdout] f8a51b0c005d62422c5a74f2960344b80c1ce19075e2051b1bf7c6304f94b0d0