[INFO] fetching crate ascii_converter 0.3.0...
[INFO] checking ascii_converter-0.3.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ascii_converter 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ascii_converter 0.3.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-6-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d4d6c388e82c662489552c775e53e98100b19660b10cb8b8f41c3cfc539df25
[INFO] running `Command { std: "docker" "start" "-a" "0d4d6c388e82c662489552c775e53e98100b19660b10cb8b8f41c3cfc539df25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4d6c388e82c662489552c775e53e98100b19660b10cb8b8f41c3cfc539df25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4d6c388e82c662489552c775e53e98100b19660b10cb8b8f41c3cfc539df25", kill_on_drop: false }`
[INFO] [stdout] 0d4d6c388e82c662489552c775e53e98100b19660b10cb8b8f41c3cfc539df25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e756c2ddde1ae9cd0c259e2febc757f150905f2cc5dd0ac52ef16b164c95b63
[INFO] running `Command { std: "docker" "start" "-a" "5e756c2ddde1ae9cd0c259e2febc757f150905f2cc5dd0ac52ef16b164c95b63", 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` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5e756c2ddde1ae9cd0c259e2febc757f150905f2cc5dd0ac52ef16b164c95b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e756c2ddde1ae9cd0c259e2febc757f150905f2cc5dd0ac52ef16b164c95b63", kill_on_drop: false }`
[INFO] [stdout] 5e756c2ddde1ae9cd0c259e2febc757f150905f2cc5dd0ac52ef16b164c95b63
[INFO] checking ascii_converter-0.3.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ascii_converter 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ascii_converter 0.3.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-6-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769b97d7c5bf0c37f7c3640e907da320f7f93f417a1f9cc329e62053d33950ab
[INFO] running `Command { std: "docker" "start" "-a" "769b97d7c5bf0c37f7c3640e907da320f7f93f417a1f9cc329e62053d33950ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769b97d7c5bf0c37f7c3640e907da320f7f93f417a1f9cc329e62053d33950ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769b97d7c5bf0c37f7c3640e907da320f7f93f417a1f9cc329e62053d33950ab", kill_on_drop: false }`
[INFO] [stdout] 769b97d7c5bf0c37f7c3640e907da320f7f93f417a1f9cc329e62053d33950ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d6f9c477f89fa67399d441226f853a6325c76a91fe88d3f8411fe5b45f7462
[INFO] running `Command { std: "docker" "start" "-a" "a2d6f9c477f89fa67399d441226f853a6325c76a91fe88d3f8411fe5b45f7462", 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` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "a2d6f9c477f89fa67399d441226f853a6325c76a91fe88d3f8411fe5b45f7462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d6f9c477f89fa67399d441226f853a6325c76a91fe88d3f8411fe5b45f7462", kill_on_drop: false }`
[INFO] [stdout] a2d6f9c477f89fa67399d441226f853a6325c76a91fe88d3f8411fe5b45f7462
