[INFO] fetching crate ifun-grep 0.2.0...
[INFO] checking ifun-grep-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ifun-grep 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ifun-grep 0.2.0 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 crates.io crate ifun-grep 0.2.0
[INFO] finished tweaking crates.io crate ifun-grep 0.2.0
[INFO] tweaked toml for crates.io crate ifun-grep 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ifun-grep 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded windows-targets v0.48.0
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[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded portable-atomic v1.3.3
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded bstr v1.5.0
[INFO] [stderr]   Downloaded rustix v0.37.20
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded clap_builder v4.3.3
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
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[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded assert_fs v1.0.13
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[INFO] [stderr]   Downloaded clap_derive v4.3.2
[INFO] [stderr]   Downloaded clap v4.3.3
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded indicatif v0.17.5
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded thiserror v1.0.40
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0c283dd4d4a4d834a56fc9844c2a4d29bd42d4695356cb8bba7651c35260cb7
[INFO] running `Command { std: "docker" "start" "-a" "b0c283dd4d4a4d834a56fc9844c2a4d29bd42d4695356cb8bba7651c35260cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0c283dd4d4a4d834a56fc9844c2a4d29bd42d4695356cb8bba7651c35260cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c283dd4d4a4d834a56fc9844c2a4d29bd42d4695356cb8bba7651c35260cb7", kill_on_drop: false }`
[INFO] [stdout] b0c283dd4d4a4d834a56fc9844c2a4d29bd42d4695356cb8bba7651c35260cb7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d761746f7b8cb72b9817f1dcedb0b9eaef25aa0ccc8c64db370ec4b7d4451374
[INFO] running `Command { std: "docker" "start" "-a" "d761746f7b8cb72b9817f1dcedb0b9eaef25aa0ccc8c64db370ec4b7d4451374", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling portable-atomic v1.3.3
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking indicatif v0.17.5
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking ifun-grep v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.64s
[INFO] running `Command { std: "docker" "inspect" "d761746f7b8cb72b9817f1dcedb0b9eaef25aa0ccc8c64db370ec4b7d4451374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d761746f7b8cb72b9817f1dcedb0b9eaef25aa0ccc8c64db370ec4b7d4451374", kill_on_drop: false }`
[INFO] [stdout] d761746f7b8cb72b9817f1dcedb0b9eaef25aa0ccc8c64db370ec4b7d4451374