[INFO] fetching crate tellmewhy 0.1.0...
[INFO] building tellmewhy-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tellmewhy 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tellmewhy 0.1.0
[INFO] finished tweaking crates.io crate tellmewhy 0.1.0
[INFO] tweaked toml for crates.io crate tellmewhy 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tellmewhy 0.1.0 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] crate crates.io crate tellmewhy 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1cb3a0a5b1674a652043989aea0aa79b6ed2ed53d9939db47d4e614c9dd53b8
[INFO] running `Command { std: "docker" "start" "-a" "a1cb3a0a5b1674a652043989aea0aa79b6ed2ed53d9939db47d4e614c9dd53b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1cb3a0a5b1674a652043989aea0aa79b6ed2ed53d9939db47d4e614c9dd53b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cb3a0a5b1674a652043989aea0aa79b6ed2ed53d9939db47d4e614c9dd53b8", kill_on_drop: false }`
[INFO] [stdout] a1cb3a0a5b1674a652043989aea0aa79b6ed2ed53d9939db47d4e614c9dd53b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dace3a120e2d30691367c8e2fa4dc42be1f63599b83dc0c3be63531cc648ac89
[INFO] running `Command { std: "docker" "start" "-a" "dace3a120e2d30691367c8e2fa4dc42be1f63599b83dc0c3be63531cc648ac89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling tellmewhy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((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] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "dace3a120e2d30691367c8e2fa4dc42be1f63599b83dc0c3be63531cc648ac89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dace3a120e2d30691367c8e2fa4dc42be1f63599b83dc0c3be63531cc648ac89", kill_on_drop: false }`
[INFO] [stdout] dace3a120e2d30691367c8e2fa4dc42be1f63599b83dc0c3be63531cc648ac89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bd30ba2b4d560d0cfd27501c1b872eae86c8331467e4e7a5e824b72976b5cca7
[INFO] running `Command { std: "docker" "start" "-a" "bd30ba2b4d560d0cfd27501c1b872eae86c8331467e4e7a5e824b72976b5cca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((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] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling tellmewhy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((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] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "bd30ba2b4d560d0cfd27501c1b872eae86c8331467e4e7a5e824b72976b5cca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd30ba2b4d560d0cfd27501c1b872eae86c8331467e4e7a5e824b72976b5cca7", kill_on_drop: false }`
[INFO] [stdout] bd30ba2b4d560d0cfd27501c1b872eae86c8331467e4e7a5e824b72976b5cca7