[INFO] cloning repository https://github.com/mightyiam/eelco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mightyiam/eelco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightyiam%2Feelco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightyiam%2Feelco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10d8664afb341884b1252c19b68113099b576c96
[INFO] checking mightyiam/eelco against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightyiam%2Feelco" "/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/mightyiam/eelco 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mightyiam/eelco
[INFO] finished tweaking git repo https://github.com/mightyiam/eelco
[INFO] tweaked toml for git repo https://github.com/mightyiam/eelco written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mightyiam/eelco 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 git repository `https://github.com/mobusoperandi/pty-process.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.13
[INFO] [stderr]   Downloaded derive_more-impl v1.0.0-beta.2
[INFO] [stderr]   Downloaded derive_more v1.0.0-beta.2
[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] d2fc4adf1d1aae077d5a63b16cc8e509b3bc153e4da4bcad977f02e2c2dac33f
[INFO] running `Command { std: "docker" "start" "-a" "d2fc4adf1d1aae077d5a63b16cc8e509b3bc153e4da4bcad977f02e2c2dac33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2fc4adf1d1aae077d5a63b16cc8e509b3bc153e4da4bcad977f02e2c2dac33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fc4adf1d1aae077d5a63b16cc8e509b3bc153e4da4bcad977f02e2c2dac33f", kill_on_drop: false }`
[INFO] [stdout] d2fc4adf1d1aae077d5a63b16cc8e509b3bc153e4da4bcad977f02e2c2dac33f
[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] 61422c2076f1426a59e96da371cc72f2812fcc050772936e8bf2d39763617a83
[INFO] running `Command { std: "docker" "start" "-a" "61422c2076f1426a59e96da371cc72f2812fcc050772936e8bf2d39763617a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking itoa v1.0.9
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[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
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[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking anstyle-query v1.0.0
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[INFO] [stderr]     Checking futures-sink v0.3.28
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[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bytes v1.4.0
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[INFO] [stderr]    Compiling syn v2.0.27
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[INFO] [stderr]    Compiling backtrace v0.3.68
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[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]     Checking glob v0.3.1
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[INFO] [stderr]     Checking clap_builder v4.3.21
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling derive_more-impl v1.0.0-beta.2
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking assert_cmd v2.0.13
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking derive_more v1.0.0-beta.2
[INFO] [stderr]     Checking clap v4.3.21
[INFO] [stderr]     Checking comrak v0.18.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking pty-process v0.4.0 (https://github.com/mobusoperandi/pty-process.git?rev=7889630#78896303)
[INFO] [stderr]     Checking eelco v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Eprintln` is never constructed
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct Eprintln(String);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Eprintln` is never constructed
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct Eprintln(String);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 33.64s
[INFO] running `Command { std: "docker" "inspect" "61422c2076f1426a59e96da371cc72f2812fcc050772936e8bf2d39763617a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61422c2076f1426a59e96da371cc72f2812fcc050772936e8bf2d39763617a83", kill_on_drop: false }`
[INFO] [stdout] 61422c2076f1426a59e96da371cc72f2812fcc050772936e8bf2d39763617a83