[INFO] fetching crate file_limit 0.0.2...
[INFO] testing file_limit-0.0.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate file_limit 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate file_limit 0.0.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file_limit 0.0.2
[INFO] finished tweaking crates.io crate file_limit 0.0.2
[INFO] tweaked toml for crates.io crate file_limit 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccf5d94a1535b8432e8b842edc29739815d33cb03e04862ff95b992962a573e
[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" "4ccf5d94a1535b8432e8b842edc29739815d33cb03e04862ff95b992962a573e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccf5d94a1535b8432e8b842edc29739815d33cb03e04862ff95b992962a573e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccf5d94a1535b8432e8b842edc29739815d33cb03e04862ff95b992962a573e", kill_on_drop: false }`
[INFO] [stdout] 4ccf5d94a1535b8432e8b842edc29739815d33cb03e04862ff95b992962a573e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b058ac5f447e07c8b596cb56c5a8cc1c61be4fddc4166b208c468635ef609d7f
[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" "b058ac5f447e07c8b596cb56c5a8cc1c61be4fddc4166b208c468635ef609d7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling file_limit v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "b058ac5f447e07c8b596cb56c5a8cc1c61be4fddc4166b208c468635ef609d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b058ac5f447e07c8b596cb56c5a8cc1c61be4fddc4166b208c468635ef609d7f", kill_on_drop: false }`
[INFO] [stdout] b058ac5f447e07c8b596cb56c5a8cc1c61be4fddc4166b208c468635ef609d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] be3fa0c050d1c6c5eab574ef730dd79b395cfcdf01125c296a217628ab3b543e
[INFO] running `Command { std: "docker" "start" "-a" "be3fa0c050d1c6c5eab574ef730dd79b395cfcdf01125c296a217628ab3b543e", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_limit v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Err(err) => assert!(false),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "be3fa0c050d1c6c5eab574ef730dd79b395cfcdf01125c296a217628ab3b543e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3fa0c050d1c6c5eab574ef730dd79b395cfcdf01125c296a217628ab3b543e", kill_on_drop: false }`
[INFO] [stdout] be3fa0c050d1c6c5eab574ef730dd79b395cfcdf01125c296a217628ab3b543e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 5f68172300debf23c5f0495ecc64ce9207ac199cfa551c8138192fa2b8d5a613
[INFO] running `Command { std: "docker" "start" "-a" "5f68172300debf23c5f0495ecc64ce9207ac199cfa551c8138192fa2b8d5a613", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         Err(err) => assert!(false),
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_limit-577bcf2462ad4448)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test max_limit ... ok
[INFO] [stdout] test set_max ... ok
[INFO] [stdout] test get_file_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_limit
[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" "5f68172300debf23c5f0495ecc64ce9207ac199cfa551c8138192fa2b8d5a613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f68172300debf23c5f0495ecc64ce9207ac199cfa551c8138192fa2b8d5a613", kill_on_drop: false }`
[INFO] [stdout] 5f68172300debf23c5f0495ecc64ce9207ac199cfa551c8138192fa2b8d5a613