[INFO] fetching crate duck 0.2.0...
[INFO] testing duck-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate duck 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate duck 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 duck 0.2.0
[INFO] finished tweaking crates.io crate duck 0.2.0
[INFO] tweaked toml for crates.io crate duck 0.2.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb92247bd0dc0ef5b7149e30270bc6078b66243650bb1397ed854e697e633435
[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" "bb92247bd0dc0ef5b7149e30270bc6078b66243650bb1397ed854e697e633435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb92247bd0dc0ef5b7149e30270bc6078b66243650bb1397ed854e697e633435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb92247bd0dc0ef5b7149e30270bc6078b66243650bb1397ed854e697e633435", kill_on_drop: false }`
[INFO] [stdout] bb92247bd0dc0ef5b7149e30270bc6078b66243650bb1397ed854e697e633435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] bf3f4f093f16a9daa9a3ba7346dedd7d54d3527cd2006ce2037d1f699f071742
[INFO] running `Command { std: "docker" "start" "-a" "bf3f4f093f16a9daa9a3ba7346dedd7d54d3527cd2006ce2037d1f699f071742", kill_on_drop: false }`
[INFO] [stderr]    Compiling duck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "bf3f4f093f16a9daa9a3ba7346dedd7d54d3527cd2006ce2037d1f699f071742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3f4f093f16a9daa9a3ba7346dedd7d54d3527cd2006ce2037d1f699f071742", kill_on_drop: false }`
[INFO] [stdout] bf3f4f093f16a9daa9a3ba7346dedd7d54d3527cd2006ce2037d1f699f071742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f29b0c149d2d12474213e10eaaae5e347324b3b5824c81767d576f8deb1b6e
[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" "40f29b0c149d2d12474213e10eaaae5e347324b3b5824c81767d576f8deb1b6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling duck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "40f29b0c149d2d12474213e10eaaae5e347324b3b5824c81767d576f8deb1b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f29b0c149d2d12474213e10eaaae5e347324b3b5824c81767d576f8deb1b6e", kill_on_drop: false }`
[INFO] [stdout] 40f29b0c149d2d12474213e10eaaae5e347324b3b5824c81767d576f8deb1b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a322c11d274cfb608eab7cf9b664ea3d1471bb0a8692cbd12617d02aeadead0d
[INFO] running `Command { std: "docker" "start" "-a" "a322c11d274cfb608eab7cf9b664ea3d1471bb0a8692cbd12617d02aeadead0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/duck-1b88f3bcf49e9ab3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests duck
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs - (line 15) ... 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" "a322c11d274cfb608eab7cf9b664ea3d1471bb0a8692cbd12617d02aeadead0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a322c11d274cfb608eab7cf9b664ea3d1471bb0a8692cbd12617d02aeadead0d", kill_on_drop: false }`
[INFO] [stdout] a322c11d274cfb608eab7cf9b664ea3d1471bb0a8692cbd12617d02aeadead0d