[INFO] fetching crate pakr-managedrawfd 1.0.0...
[INFO] testing pakr-managedrawfd-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pakr-managedrawfd 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pakr-managedrawfd 1.0.0 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 pakr-managedrawfd 1.0.0
[INFO] finished tweaking crates.io crate pakr-managedrawfd 1.0.0
[INFO] tweaked toml for crates.io crate pakr-managedrawfd 1.0.0 written to /workspace/builds/worker-6/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5ea7f5611d9359aab17d5119963d3e0f7f6d9cedefa918b6193de7e7369543
[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" "0a5ea7f5611d9359aab17d5119963d3e0f7f6d9cedefa918b6193de7e7369543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5ea7f5611d9359aab17d5119963d3e0f7f6d9cedefa918b6193de7e7369543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5ea7f5611d9359aab17d5119963d3e0f7f6d9cedefa918b6193de7e7369543", kill_on_drop: false }`
[INFO] [stdout] 0a5ea7f5611d9359aab17d5119963d3e0f7f6d9cedefa918b6193de7e7369543
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1061ec1f1aab32facc4443a4ed0f2717c1b4b57a8a04513f175e13720e1eb33
[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" "d1061ec1f1aab32facc4443a4ed0f2717c1b4b57a8a04513f175e13720e1eb33", kill_on_drop: false }`
[INFO] [stderr]    Compiling pakr-managedrawfd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "d1061ec1f1aab32facc4443a4ed0f2717c1b4b57a8a04513f175e13720e1eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1061ec1f1aab32facc4443a4ed0f2717c1b4b57a8a04513f175e13720e1eb33", kill_on_drop: false }`
[INFO] [stdout] d1061ec1f1aab32facc4443a4ed0f2717c1b4b57a8a04513f175e13720e1eb33
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da8fe0ccfd380bd743ab218b69dec5f531cd8771a4dd46de76dd266e0161183
[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" "2da8fe0ccfd380bd743ab218b69dec5f531cd8771a4dd46de76dd266e0161183", kill_on_drop: false }`
[INFO] [stderr]    Compiling pakr-managedrawfd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2da8fe0ccfd380bd743ab218b69dec5f531cd8771a4dd46de76dd266e0161183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da8fe0ccfd380bd743ab218b69dec5f531cd8771a4dd46de76dd266e0161183", kill_on_drop: false }`
[INFO] [stdout] 2da8fe0ccfd380bd743ab218b69dec5f531cd8771a4dd46de76dd266e0161183
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da23580d3bf9d4bcdcf7d63fd796980d233e47b20db453b329bd3264aed251f2
[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" "da23580d3bf9d4bcdcf7d63fd796980d233e47b20db453b329bd3264aed251f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pakr_managedrawfd-1ba28e58f4758444
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pakr-managedrawfd
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - ManagedFD::dup (line 59) ... ignored
[INFO] [stdout] test src/lib.rs - DuplicatingFD (line 112) ... ok
[INFO] [stdout] test src/lib.rs - SharedFD (line 185) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da23580d3bf9d4bcdcf7d63fd796980d233e47b20db453b329bd3264aed251f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da23580d3bf9d4bcdcf7d63fd796980d233e47b20db453b329bd3264aed251f2", kill_on_drop: false }`
[INFO] [stdout] da23580d3bf9d4bcdcf7d63fd796980d233e47b20db453b329bd3264aed251f2