[INFO] cloning repository https://github.com/Brychlikov/bartosz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brychlikov/bartosz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrychlikov%2Fbartosz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrychlikov%2Fbartosz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d700e9153c79b9e600f76d3d41b08631d1f9e5f [INFO] checking Brychlikov/bartosz against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrychlikov%2Fbartosz" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Brychlikov/bartosz on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Brychlikov/bartosz [INFO] finished tweaking git repo https://github.com/Brychlikov/bartosz [INFO] tweaked toml for git repo https://github.com/Brychlikov/bartosz written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Brychlikov/bartosz 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustyline v6.0.0 [INFO] [stderr] Downloaded backtrace v0.3.44 [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded aho-corasick v0.7.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c817f8b9a49b6d92ebd436443960715a7ee556c6b81cb71c47b97b73ec82403 [INFO] running `Command { std: "docker" "start" "-a" "3c817f8b9a49b6d92ebd436443960715a7ee556c6b81cb71c47b97b73ec82403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c817f8b9a49b6d92ebd436443960715a7ee556c6b81cb71c47b97b73ec82403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c817f8b9a49b6d92ebd436443960715a7ee556c6b81cb71c47b97b73ec82403", kill_on_drop: false }` [INFO] [stdout] 3c817f8b9a49b6d92ebd436443960715a7ee556c6b81cb71c47b97b73ec82403 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cb49e86658d908f2cab578fc9b094d773503791f32a1b7dca8993b7db888924 [INFO] running `Command { std: "docker" "start" "-a" "9cb49e86658d908f2cab578fc9b094d773503791f32a1b7dca8993b7db888924", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking backtrace v0.3.44 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rustyline v6.0.0 [INFO] [stderr] Checking calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:126:61 [INFO] [stdout] | [INFO] [stdout] 126 | Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] 126 + Some(Ok(Punctuation(c))) if c == ")" => ast, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:126:61 [INFO] [stdout] | [INFO] [stdout] 126 | Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] 126 + Some(Ok(Punctuation(c))) if c == ")" => ast, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:237:25 [INFO] [stdout] | [INFO] [stdout] 237 | let n = self.input.next(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:237:25 [INFO] [stdout] | [INFO] [stdout] 237 | let n = self.input.next(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s [INFO] running `Command { std: "docker" "inspect" "9cb49e86658d908f2cab578fc9b094d773503791f32a1b7dca8993b7db888924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cb49e86658d908f2cab578fc9b094d773503791f32a1b7dca8993b7db888924", kill_on_drop: false }` [INFO] [stdout] 9cb49e86658d908f2cab578fc9b094d773503791f32a1b7dca8993b7db888924 [INFO] checking Brychlikov/bartosz against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrychlikov%2Fbartosz" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Brychlikov/bartosz on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Brychlikov/bartosz [INFO] finished tweaking git repo https://github.com/Brychlikov/bartosz [INFO] tweaked toml for git repo https://github.com/Brychlikov/bartosz written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Brychlikov/bartosz 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5adfe0bd693c4e0280bf9daf41a68927c3de12f2469b2433a569bb7f8838bef7 [INFO] running `Command { std: "docker" "start" "-a" "5adfe0bd693c4e0280bf9daf41a68927c3de12f2469b2433a569bb7f8838bef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5adfe0bd693c4e0280bf9daf41a68927c3de12f2469b2433a569bb7f8838bef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5adfe0bd693c4e0280bf9daf41a68927c3de12f2469b2433a569bb7f8838bef7", kill_on_drop: false }` [INFO] [stdout] 5adfe0bd693c4e0280bf9daf41a68927c3de12f2469b2433a569bb7f8838bef7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83c294a2ec0f17e624dda5cff9955f7fceb1085e3ada0c42227e8120ceb6fa0e [INFO] running `Command { std: "docker" "start" "-a" "83c294a2ec0f17e624dda5cff9955f7fceb1085e3ada0c42227e8120ceb6fa0e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking backtrace v0.3.44 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rustyline v6.0.0 [INFO] [stderr] Checking calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:126:61 [INFO] [stdout] | [INFO] [stdout] 126 | Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] 126 + Some(Ok(Punctuation(c))) if c == ")" => ast, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser.rs:126:61 [INFO] [stdout] | [INFO] [stdout] 126 | Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - Some(Ok(Punctuation(c))) if c == ")" => (ast), [INFO] [stdout] 126 + Some(Ok(Punctuation(c))) if c == ")" => ast, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:237:25 [INFO] [stdout] | [INFO] [stdout] 237 | let n = self.input.next(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:237:25 [INFO] [stdout] | [INFO] [stdout] 237 | let n = self.input.next(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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 7.24s [INFO] running `Command { std: "docker" "inspect" "83c294a2ec0f17e624dda5cff9955f7fceb1085e3ada0c42227e8120ceb6fa0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c294a2ec0f17e624dda5cff9955f7fceb1085e3ada0c42227e8120ceb6fa0e", kill_on_drop: false }` [INFO] [stdout] 83c294a2ec0f17e624dda5cff9955f7fceb1085e3ada0c42227e8120ceb6fa0e