[INFO] cloning repository https://github.com/wa7sa34cx/grrs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wa7sa34cx/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Fgrrs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Fgrrs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 832eb56e625ae93a7d3c0c1aa163f042193d99fb [INFO] checking wa7sa34cx/grrs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Fgrrs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wa7sa34cx/grrs 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/wa7sa34cx/grrs [INFO] finished tweaking git repo https://github.com/wa7sa34cx/grrs [INFO] tweaked toml for git repo https://github.com/wa7sa34cx/grrs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wa7sa34cx/grrs 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4aa84383bea4c75a10eb614341e587c2e1c26d628516879f56afa15f683658bc [INFO] running `Command { std: "docker" "start" "-a" "4aa84383bea4c75a10eb614341e587c2e1c26d628516879f56afa15f683658bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aa84383bea4c75a10eb614341e587c2e1c26d628516879f56afa15f683658bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa84383bea4c75a10eb614341e587c2e1c26d628516879f56afa15f683658bc", kill_on_drop: false }` [INFO] [stdout] 4aa84383bea4c75a10eb614341e587c2e1c26d628516879f56afa15f683658bc [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b502b430d5ea1b21a2da703ea3d21cda4a90609469d7e85191fdd8d85aeb203 [INFO] running `Command { std: "docker" "start" "-a" "5b502b430d5ea1b21a2da703ea3d21cda4a90609469d7e85191fdd8d85aeb203", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking assert_fs v1.0.7 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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 13.76s [INFO] running `Command { std: "docker" "inspect" "5b502b430d5ea1b21a2da703ea3d21cda4a90609469d7e85191fdd8d85aeb203", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b502b430d5ea1b21a2da703ea3d21cda4a90609469d7e85191fdd8d85aeb203", kill_on_drop: false }` [INFO] [stdout] 5b502b430d5ea1b21a2da703ea3d21cda4a90609469d7e85191fdd8d85aeb203 [INFO] checking wa7sa34cx/grrs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Fgrrs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wa7sa34cx/grrs 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/wa7sa34cx/grrs [INFO] finished tweaking git repo https://github.com/wa7sa34cx/grrs [INFO] tweaked toml for git repo https://github.com/wa7sa34cx/grrs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wa7sa34cx/grrs 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] 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c3c0299e139c5e5ee8ec01a40356af49df943428e8674d4f9c71716df008c94 [INFO] running `Command { std: "docker" "start" "-a" "8c3c0299e139c5e5ee8ec01a40356af49df943428e8674d4f9c71716df008c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c3c0299e139c5e5ee8ec01a40356af49df943428e8674d4f9c71716df008c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3c0299e139c5e5ee8ec01a40356af49df943428e8674d4f9c71716df008c94", kill_on_drop: false }` [INFO] [stdout] 8c3c0299e139c5e5ee8ec01a40356af49df943428e8674d4f9c71716df008c94 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dce4fcaf2069ded142da797cc987987bf89b580f70396597cfea617760b6f3e3 [INFO] running `Command { std: "docker" "start" "-a" "dce4fcaf2069ded142da797cc987987bf89b580f70396597cfea617760b6f3e3", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking assert_fs v1.0.7 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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 7.56s [INFO] running `Command { std: "docker" "inspect" "dce4fcaf2069ded142da797cc987987bf89b580f70396597cfea617760b6f3e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dce4fcaf2069ded142da797cc987987bf89b580f70396597cfea617760b6f3e3", kill_on_drop: false }` [INFO] [stdout] dce4fcaf2069ded142da797cc987987bf89b580f70396597cfea617760b6f3e3