[INFO] fetching crate stdf 0.1.2...
[INFO] checking stdf-0.1.2 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate stdf 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stdf 0.1.2 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stdf 0.1.2
[INFO] finished tweaking crates.io crate stdf 0.1.2
[INFO] tweaked toml for crates.io crate stdf 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a6f7b2054ef37fe8e5bcf55df5306620568ab6cf105a33a4a4e27a71d05907
[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" "c4a6f7b2054ef37fe8e5bcf55df5306620568ab6cf105a33a4a4e27a71d05907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a6f7b2054ef37fe8e5bcf55df5306620568ab6cf105a33a4a4e27a71d05907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a6f7b2054ef37fe8e5bcf55df5306620568ab6cf105a33a4a4e27a71d05907", kill_on_drop: false }`
[INFO] [stdout] c4a6f7b2054ef37fe8e5bcf55df5306620568ab6cf105a33a4a4e27a71d05907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fde35ec66ffae26754386cd0be5a92db2ffb9e2d9f1eea9cdf3edfd54e5a14
[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" "b9fde35ec66ffae26754386cd0be5a92db2ffb9e2d9f1eea9cdf3edfd54e5a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking byte v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling stdf-record-derive v0.1.1
[INFO] [stderr]     Checking stdf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[array_type(U2)]
[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 type
[INFO] [stdout]    --> src/records.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[array_type(U1)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |     #[array_type(U1)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[array_type(U2)]
[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 type
[INFO] [stdout]    --> src/records.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[array_type(U1)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |     #[array_type(Cn)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     #[array_type(U2)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/records.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |     #[array_type(U1)]
[INFO] [stdout]     |                 ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.19s
[INFO] running `Command { std: "docker" "inspect" "b9fde35ec66ffae26754386cd0be5a92db2ffb9e2d9f1eea9cdf3edfd54e5a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fde35ec66ffae26754386cd0be5a92db2ffb9e2d9f1eea9cdf3edfd54e5a14", kill_on_drop: false }`
[INFO] [stdout] b9fde35ec66ffae26754386cd0be5a92db2ffb9e2d9f1eea9cdf3edfd54e5a14