[INFO] fetching crate ascii_converter 0.3.0...
[INFO] checking ascii_converter-0.3.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate ascii_converter 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ascii_converter 0.3.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascii_converter 0.3.0
[INFO] finished tweaking crates.io crate ascii_converter 0.3.0
[INFO] tweaked toml for crates.io crate ascii_converter 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ascii_converter 0.3.0 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 519c07ee6db241339e5cbbb9c03e856c67d41e2a8b1c666fd2fa940f8ec9d9cd
[INFO] running `Command { std: "docker" "start" "-a" "519c07ee6db241339e5cbbb9c03e856c67d41e2a8b1c666fd2fa940f8ec9d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519c07ee6db241339e5cbbb9c03e856c67d41e2a8b1c666fd2fa940f8ec9d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519c07ee6db241339e5cbbb9c03e856c67d41e2a8b1c666fd2fa940f8ec9d9cd", kill_on_drop: false }`
[INFO] [stdout] 519c07ee6db241339e5cbbb9c03e856c67d41e2a8b1c666fd2fa940f8ec9d9cd
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 290d6532639fca0aac32d5490a151acba852d65c2f96a9ea2be00dc6832f685d
[INFO] running `Command { std: "docker" "start" "-a" "290d6532639fca0aac32d5490a151acba852d65c2f96a9ea2be00dc6832f685d", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_converter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Ok(d) => (decimal.push(d)),
[INFO] [stdout]     |                      ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Ok(d) => (decimal.push(d)),
[INFO] [stdout] 121 +             Ok(d) => decimal.push(d),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Ok(t) => (decimals.push(t)),
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -             Ok(t) => (decimals.push(t)),
[INFO] [stdout] 412 +             Ok(t) => decimals.push(t),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Ok(d) => (decimal.push(d)),
[INFO] [stdout]     |                      ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Ok(d) => (decimal.push(d)),
[INFO] [stdout] 121 +             Ok(d) => decimal.push(d),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Ok(t) => (decimals.push(t)),
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -             Ok(t) => (decimals.push(t)),
[INFO] [stdout] 412 +             Ok(t) => decimals.push(t),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "290d6532639fca0aac32d5490a151acba852d65c2f96a9ea2be00dc6832f685d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290d6532639fca0aac32d5490a151acba852d65c2f96a9ea2be00dc6832f685d", kill_on_drop: false }`
[INFO] [stdout] 290d6532639fca0aac32d5490a151acba852d65c2f96a9ea2be00dc6832f685d
[INFO] checking ascii_converter-0.3.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate ascii_converter 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ascii_converter 0.3.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascii_converter 0.3.0
[INFO] finished tweaking crates.io crate ascii_converter 0.3.0
[INFO] tweaked toml for crates.io crate ascii_converter 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ascii_converter 0.3.0 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f90fd90ff921969e92d8e56c3639479b545999bfcd0d98276a6026ea73a2e90
[INFO] running `Command { std: "docker" "start" "-a" "1f90fd90ff921969e92d8e56c3639479b545999bfcd0d98276a6026ea73a2e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f90fd90ff921969e92d8e56c3639479b545999bfcd0d98276a6026ea73a2e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f90fd90ff921969e92d8e56c3639479b545999bfcd0d98276a6026ea73a2e90", kill_on_drop: false }`
[INFO] [stdout] 1f90fd90ff921969e92d8e56c3639479b545999bfcd0d98276a6026ea73a2e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b2d3701c48911a8b740f5bbac73d74811370113bc4baacabfb568eeb40418b
[INFO] running `Command { std: "docker" "start" "-a" "19b2d3701c48911a8b740f5bbac73d74811370113bc4baacabfb568eeb40418b", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_converter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Ok(d) => (decimal.push(d)),
[INFO] [stdout]     |                      ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Ok(d) => (decimal.push(d)),
[INFO] [stdout] 121 +             Ok(d) => decimal.push(d),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Ok(t) => (decimals.push(t)),
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -             Ok(t) => (decimals.push(t)),
[INFO] [stdout] 412 +             Ok(t) => decimals.push(t),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Ok(d) => (decimal.push(d)),
[INFO] [stdout]     |                      ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Ok(d) => (decimal.push(d)),
[INFO] [stdout] 121 +             Ok(d) => decimal.push(d),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Ok(t) => (decimals.push(t)),
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -             Ok(t) => (decimals.push(t)),
[INFO] [stdout] 412 +             Ok(t) => decimals.push(t),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "19b2d3701c48911a8b740f5bbac73d74811370113bc4baacabfb568eeb40418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b2d3701c48911a8b740f5bbac73d74811370113bc4baacabfb568eeb40418b", kill_on_drop: false }`
[INFO] [stdout] 19b2d3701c48911a8b740f5bbac73d74811370113bc4baacabfb568eeb40418b
