[INFO] fetching crate fuse_mt 0.5.1...
[INFO] testing fuse_mt-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fuse_mt 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fuse_mt 0.5.1 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 fuse_mt 0.5.1
[INFO] finished tweaking crates.io crate fuse_mt 0.5.1
[INFO] tweaked toml for crates.io crate fuse_mt 0.5.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 946125ed7a4c38e5a317060a51ed52e9f681af206ece2bfa526ccfc28d2f7e58
[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" "946125ed7a4c38e5a317060a51ed52e9f681af206ece2bfa526ccfc28d2f7e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946125ed7a4c38e5a317060a51ed52e9f681af206ece2bfa526ccfc28d2f7e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946125ed7a4c38e5a317060a51ed52e9f681af206ece2bfa526ccfc28d2f7e58", kill_on_drop: false }`
[INFO] [stdout] 946125ed7a4c38e5a317060a51ed52e9f681af206ece2bfa526ccfc28d2f7e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 328ca23ab3c33c0f0983f42f5d1368869e617bf86da33c85b72eed41e0c0ca39
[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" "328ca23ab3c33c0f0983f42f5d1368869e617bf86da33c85b72eed41e0c0ca39", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling fuse_mt v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "328ca23ab3c33c0f0983f42f5d1368869e617bf86da33c85b72eed41e0c0ca39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328ca23ab3c33c0f0983f42f5d1368869e617bf86da33c85b72eed41e0c0ca39", kill_on_drop: false }`
[INFO] [stdout] 328ca23ab3c33c0f0983f42f5d1368869e617bf86da33c85b72eed41e0c0ca39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae68597db0569a4c79c2d961cd4e3ac0e05d4461e5cebeaf489280f504bd25fb
[INFO] running `Command { std: "docker" "start" "-a" "ae68597db0569a4c79c2d961cd4e3ac0e05d4461e5cebeaf489280f504bd25fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuse_mt v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "ae68597db0569a4c79c2d961cd4e3ac0e05d4461e5cebeaf489280f504bd25fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae68597db0569a4c79c2d961cd4e3ac0e05d4461e5cebeaf489280f504bd25fb", kill_on_drop: false }`
[INFO] [stdout] ae68597db0569a4c79c2d961cd4e3ac0e05d4461e5cebeaf489280f504bd25fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] e819643ead9a7b1bb3a6501520b2976c7123187209025adb8771840047c539e9
[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" "e819643ead9a7b1bb3a6501520b2976c7123187209025adb8771840047c539e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuse_mt-2100522921074253
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuse_mt
[INFO] [stdout] running 4 tests
[INFO] [stdout] test inode_table::test_inode_rename ... ok
[INFO] [stdout] test inode_table::test_inode_reuse ... ok
[INFO] [stdout] test inode_table::test_unlink ... ok
[INFO] [stdout] test inode_table::test_add_or_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e819643ead9a7b1bb3a6501520b2976c7123187209025adb8771840047c539e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e819643ead9a7b1bb3a6501520b2976c7123187209025adb8771840047c539e9", kill_on_drop: false }`
[INFO] [stdout] e819643ead9a7b1bb3a6501520b2976c7123187209025adb8771840047c539e9