[INFO] fetching crate rsess 0.1.0...
[INFO] checking rsess-0.1.0 against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] extracting crate rsess 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rsess 0.1.0
[INFO] finished tweaking crates.io crate rsess 0.1.0
[INFO] tweaked toml for crates.io crate rsess 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsess 0.1.0 on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70455b31ed59c9b47cadb6ffeeb2ef775e1d91744d95f30215b1ff3d9772dc81
[INFO] running `Command { std: "docker" "start" "-a" "70455b31ed59c9b47cadb6ffeeb2ef775e1d91744d95f30215b1ff3d9772dc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70455b31ed59c9b47cadb6ffeeb2ef775e1d91744d95f30215b1ff3d9772dc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70455b31ed59c9b47cadb6ffeeb2ef775e1d91744d95f30215b1ff3d9772dc81", kill_on_drop: false }`
[INFO] [stdout] 70455b31ed59c9b47cadb6ffeeb2ef775e1d91744d95f30215b1ff3d9772dc81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c1fe528856f66f431f1eb30533023213dfef3841c1c4af60e12bea727e04de
[INFO] running `Command { std: "docker" "start" "-a" "20c1fe528856f66f431f1eb30533023213dfef3841c1c4af60e12bea727e04de", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking rsess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/trellis.rs:211:53
[INFO] [stdout]     |
[INFO] [stdout] 211 |         } else if amplitude_sequence.iter().any(|a| (a % 2 == 0)) {
[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] 211 -         } else if amplitude_sequence.iter().any(|a| (a % 2 == 0)) {
[INFO] [stdout] 211 +         } else if amplitude_sequence.iter().any(|a| a % 2 == 0 ) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/trellis.rs:211:53
[INFO] [stdout]     |
[INFO] [stdout] 211 |         } else if amplitude_sequence.iter().any(|a| (a % 2 == 0)) {
[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] 211 -         } else if amplitude_sequence.iter().any(|a| (a % 2 == 0)) {
[INFO] [stdout] 211 +         } else if amplitude_sequence.iter().any(|a| a % 2 == 0 ) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 26s
[INFO] running `Command { std: "docker" "inspect" "20c1fe528856f66f431f1eb30533023213dfef3841c1c4af60e12bea727e04de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c1fe528856f66f431f1eb30533023213dfef3841c1c4af60e12bea727e04de", kill_on_drop: false }`
[INFO] [stdout] 20c1fe528856f66f431f1eb30533023213dfef3841c1c4af60e12bea727e04de