[INFO] fetching crate rustc-rayon 0.5.1...
[INFO] building rustc-rayon-0.5.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rustc-rayon 0.5.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rustc-rayon 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustc-rayon 0.5.1
[INFO] tweaked toml for crates.io crate rustc-rayon 0.5.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-rayon 0.5.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustc-rayon 0.5.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 018eb5489ad59655823e6c88d0a4e18e8262c8f287a529b712d4d984bfcfe818
[INFO] running `Command { std: "docker" "start" "-a" "018eb5489ad59655823e6c88d0a4e18e8262c8f287a529b712d4d984bfcfe818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "018eb5489ad59655823e6c88d0a4e18e8262c8f287a529b712d4d984bfcfe818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018eb5489ad59655823e6c88d0a4e18e8262c8f287a529b712d4d984bfcfe818", kill_on_drop: false }`
[INFO] [stdout] 018eb5489ad59655823e6c88d0a4e18e8262c8f287a529b712d4d984bfcfe818
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f2800a2a8315a1392026436c8360bebb1911dfd1ee7102c20ff2ff43b808be
[INFO] running `Command { std: "docker" "start" "-a" "45f2800a2a8315a1392026436c8360bebb1911dfd1ee7102c20ff2ff43b808be", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.5.0
[INFO] [stderr]    Compiling rustc-rayon v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "45f2800a2a8315a1392026436c8360bebb1911dfd1ee7102c20ff2ff43b808be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f2800a2a8315a1392026436c8360bebb1911dfd1ee7102c20ff2ff43b808be", kill_on_drop: false }`
[INFO] [stdout] 45f2800a2a8315a1392026436c8360bebb1911dfd1ee7102c20ff2ff43b808be
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f20e8a6a9a3cdb22460075918363b94dd2bae00c18c03a5acaa51919f69c30
[INFO] running `Command { std: "docker" "start" "-a" "08f20e8a6a9a3cdb22460075918363b94dd2bae00c18c03a5acaa51919f69c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustc-rayon v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/iter/test.rs:1505:23
[INFO] [stdout]      |
[INFO] [stdout] 1505 |         .flat_map(|i| (0..i))
[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] 1505 -         .flat_map(|i| (0..i))
[INFO] [stdout] 1505 +         .flat_map(|i| 0..i )
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/iter/test.rs:1509:23
[INFO] [stdout]      |
[INFO] [stdout] 1509 |         .flat_map(|i| (0..i))
[INFO] [stdout]      |                       ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1509 -         .flat_map(|i| (0..i))
[INFO] [stdout] 1509 +         .flat_map(|i| 0..i )
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.32s
[INFO] running `Command { std: "docker" "inspect" "08f20e8a6a9a3cdb22460075918363b94dd2bae00c18c03a5acaa51919f69c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f20e8a6a9a3cdb22460075918363b94dd2bae00c18c03a5acaa51919f69c30", kill_on_drop: false }`
[INFO] [stdout] 08f20e8a6a9a3cdb22460075918363b94dd2bae00c18c03a5acaa51919f69c30