[INFO] fetching crate libtimew 0.1.3...
[INFO] checking libtimew-0.1.3 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate libtimew 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libtimew 0.1.3 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtimew 0.1.3
[INFO] finished tweaking crates.io crate libtimew 0.1.3
[INFO] tweaked toml for crates.io crate libtimew 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 07dcebb3f89b8ca2810d2c32ad2beaab74cb10c7679e86d403ce39ce70c13e5f
[INFO] running `Command { std: "docker" "start" "-a" "07dcebb3f89b8ca2810d2c32ad2beaab74cb10c7679e86d403ce39ce70c13e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07dcebb3f89b8ca2810d2c32ad2beaab74cb10c7679e86d403ce39ce70c13e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07dcebb3f89b8ca2810d2c32ad2beaab74cb10c7679e86d403ce39ce70c13e5f", kill_on_drop: false }`
[INFO] [stdout] 07dcebb3f89b8ca2810d2c32ad2beaab74cb10c7679e86d403ce39ce70c13e5f
[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=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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cfac15f7bd8cc4c5848628ca7708a1d9ee6921d54c3704172d3f4d2c132ef9a
[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" "1cfac15f7bd8cc4c5848628ca7708a1d9ee6921d54c3704172d3f4d2c132ef9a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking libtimew v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 (f)
[INFO] [stdout]    |                 ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         (f)
[INFO] [stdout]    |                         ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 (utc)
[INFO] [stdout]    |                 ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (date)
[INFO] [stdout]     |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 (f)
[INFO] [stdout]    |                 ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         (f)
[INFO] [stdout]    |                         ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 (utc)
[INFO] [stdout]    |                 ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     (date)
[INFO] [stdout]     |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "1cfac15f7bd8cc4c5848628ca7708a1d9ee6921d54c3704172d3f4d2c132ef9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfac15f7bd8cc4c5848628ca7708a1d9ee6921d54c3704172d3f4d2c132ef9a", kill_on_drop: false }`
[INFO] [stdout] 1cfac15f7bd8cc4c5848628ca7708a1d9ee6921d54c3704172d3f4d2c132ef9a