[INFO] fetching crate warc 0.4.0...
[INFO] checking warc-0.4.0 against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] extracting crate warc 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate warc 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate warc 0.4.0
[INFO] tweaked toml for crates.io crate warc 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate warc 0.4.0 on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate warc 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da541abe495ec195dbe4f1011500de84e8fcc3a241c46fbe931a517150a2162b
[INFO] running `Command { std: "docker" "start" "-a" "da541abe495ec195dbe4f1011500de84e8fcc3a241c46fbe931a517150a2162b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da541abe495ec195dbe4f1011500de84e8fcc3a241c46fbe931a517150a2162b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da541abe495ec195dbe4f1011500de84e8fcc3a241c46fbe931a517150a2162b", kill_on_drop: false }`
[INFO] [stdout] da541abe495ec195dbe4f1011500de84e8fcc3a241c46fbe931a517150a2162b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3441fd33b1aa0fcd39079e41df08b8292c60e64f03e5948da8b6cb9694020047
[INFO] running `Command { std: "docker" "start" "-a" "3441fd33b1aa0fcd39079e41df08b8292c60e64f03e5948da8b6cb9694020047", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking zerofrom v0.1.4
[INFO] [stderr]     Checking yoke v0.7.4
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.3
[INFO] [stderr]     Checking warc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/record.rs:400:39
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 Ok(old_type.map(|old| (Cow::Owned(old.to_string()))))
[INFO] [stdout]     |                                       ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 400 -                 Ok(old_type.map(|old| (Cow::Owned(old.to_string()))))
[INFO] [stdout] 400 +                 Ok(old_type.map(|old| Cow::Owned(old.to_string()) ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/record.rs:400:39
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 Ok(old_type.map(|old| (Cow::Owned(old.to_string()))))
[INFO] [stdout]     |                                       ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 400 -                 Ok(old_type.map(|old| (Cow::Owned(old.to_string()))))
[INFO] [stdout] 400 +                 Ok(old_type.map(|old| Cow::Owned(old.to_string()) ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.54s
[INFO] running `Command { std: "docker" "inspect" "3441fd33b1aa0fcd39079e41df08b8292c60e64f03e5948da8b6cb9694020047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3441fd33b1aa0fcd39079e41df08b8292c60e64f03e5948da8b6cb9694020047", kill_on_drop: false }`
[INFO] [stdout] 3441fd33b1aa0fcd39079e41df08b8292c60e64f03e5948da8b6cb9694020047
