[INFO] fetching crate rstats 2.1.12...
[INFO] building rstats-2.1.12 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rstats 2.1.12 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rstats 2.1.12
[INFO] finished tweaking crates.io crate rstats 2.1.12
[INFO] tweaked toml for crates.io crate rstats 2.1.12 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstats 2.1.12 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded medians v3.0.12
[INFO] [stderr]   Downloaded times v1.0.15
[INFO] [stderr]   Downloaded indxvec v1.9.6
[INFO] [stderr]   Downloaded ran v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0251e2a8692e845d36fdede2b33dd46cede6d8cb597975dca4f86991dab04c6e
[INFO] running `Command { std: "docker" "start" "-a" "0251e2a8692e845d36fdede2b33dd46cede6d8cb597975dca4f86991dab04c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0251e2a8692e845d36fdede2b33dd46cede6d8cb597975dca4f86991dab04c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0251e2a8692e845d36fdede2b33dd46cede6d8cb597975dca4f86991dab04c6e", kill_on_drop: false }`
[INFO] [stdout] 0251e2a8692e845d36fdede2b33dd46cede6d8cb597975dca4f86991dab04c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161a90b6197393196e3f6955112fe38b2d646032313cdc99663800974bbcf749
[INFO] running `Command { std: "docker" "start" "-a" "161a90b6197393196e3f6955112fe38b2d646032313cdc99663800974bbcf749", kill_on_drop: false }`
[INFO] [stderr]    Compiling indxvec v1.9.6
[INFO] [stderr]    Compiling ran v2.0.1
[INFO] [stderr]    Compiling medians v3.0.12
[INFO] [stderr]    Compiling rstats v2.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/stats.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[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] 67 -             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[INFO] [stdout] 67 +             Ok(self.iter().map(|x| -x.clone().into() ).collect())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "161a90b6197393196e3f6955112fe38b2d646032313cdc99663800974bbcf749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161a90b6197393196e3f6955112fe38b2d646032313cdc99663800974bbcf749", kill_on_drop: false }`
[INFO] [stdout] 161a90b6197393196e3f6955112fe38b2d646032313cdc99663800974bbcf749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48ed01db2174472496e5618c20c2dd7259def7282afe9979557663a906387cd1
[INFO] running `Command { std: "docker" "start" "-a" "48ed01db2174472496e5618c20c2dd7259def7282afe9979557663a906387cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling times v1.0.15
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/stats.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[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] 67 -             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[INFO] [stdout] 67 +             Ok(self.iter().map(|x| -x.clone().into() ).collect())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rstats v2.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/stats.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[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] 67 -             Ok(self.iter().map(|x| (-x.clone().into())).collect())
[INFO] [stdout] 67 +             Ok(self.iter().map(|x| -x.clone().into() ).collect())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "48ed01db2174472496e5618c20c2dd7259def7282afe9979557663a906387cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ed01db2174472496e5618c20c2dd7259def7282afe9979557663a906387cd1", kill_on_drop: false }`
[INFO] [stdout] 48ed01db2174472496e5618c20c2dd7259def7282afe9979557663a906387cd1