[INFO] fetching crate infer_fs 0.3.0...
[INFO] testing infer_fs-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate infer_fs 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate infer_fs 0.3.0 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 infer_fs 0.3.0
[INFO] finished tweaking crates.io crate infer_fs 0.3.0
[INFO] tweaked toml for crates.io crate infer_fs 0.3.0 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23aa84d2b438dffa030a802e128806453beac2a6dcd52dade5d947c5207028ea
[INFO] running `Command { std: "docker" "start" "-a" "23aa84d2b438dffa030a802e128806453beac2a6dcd52dade5d947c5207028ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23aa84d2b438dffa030a802e128806453beac2a6dcd52dade5d947c5207028ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23aa84d2b438dffa030a802e128806453beac2a6dcd52dade5d947c5207028ea", kill_on_drop: false }`
[INFO] [stdout] 23aa84d2b438dffa030a802e128806453beac2a6dcd52dade5d947c5207028ea
[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] 1769edacefe5c2a86fab6bb82a1a14bbc576c2bb8a4573f926b8bf247975442e
[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" "1769edacefe5c2a86fab6bb82a1a14bbc576c2bb8a4573f926b8bf247975442e", kill_on_drop: false }`
[INFO] [stderr]    Compiling infer_fs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "1769edacefe5c2a86fab6bb82a1a14bbc576c2bb8a4573f926b8bf247975442e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1769edacefe5c2a86fab6bb82a1a14bbc576c2bb8a4573f926b8bf247975442e", kill_on_drop: false }`
[INFO] [stdout] 1769edacefe5c2a86fab6bb82a1a14bbc576c2bb8a4573f926b8bf247975442e
[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] 1ad4bd95be5d628fdffe4e91dfbd48b0a29bd69837387a64a8310acfab14d41c
[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" "1ad4bd95be5d628fdffe4e91dfbd48b0a29bd69837387a64a8310acfab14d41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling infer_fs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "1ad4bd95be5d628fdffe4e91dfbd48b0a29bd69837387a64a8310acfab14d41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad4bd95be5d628fdffe4e91dfbd48b0a29bd69837387a64a8310acfab14d41c", kill_on_drop: false }`
[INFO] [stdout] 1ad4bd95be5d628fdffe4e91dfbd48b0a29bd69837387a64a8310acfab14d41c
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9c7cdcc060edb87bb15668222a31c4372c3745c735357289e87d5dab52d4dd4
[INFO] running `Command { std: "docker" "start" "-a" "f9c7cdcc060edb87bb15668222a31c4372c3745c735357289e87d5dab52d4dd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/infer_fs-6c05cf7808083bce
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::guess_time ... ok
[INFO] [stdout] test tests::infer_samplerate_from_csv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests infer_fs
[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] running `Command { std: "docker" "inspect" "f9c7cdcc060edb87bb15668222a31c4372c3745c735357289e87d5dab52d4dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c7cdcc060edb87bb15668222a31c4372c3745c735357289e87d5dab52d4dd4", kill_on_drop: false }`
[INFO] [stdout] f9c7cdcc060edb87bb15668222a31c4372c3745c735357289e87d5dab52d4dd4