[INFO] fetching crate esc-pos-lib 0.1.6...
[INFO] checking esc-pos-lib-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate esc-pos-lib 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate esc-pos-lib 0.1.6 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 esc-pos-lib 0.1.6
[INFO] finished tweaking crates.io crate esc-pos-lib 0.1.6
[INFO] tweaked toml for crates.io crate esc-pos-lib 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[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] 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] 3e9973cd8f9a86fb497a20b130010c18d33f857a2e0f02eecc66ed50ed1d7f75
[INFO] running `Command { std: "docker" "start" "-a" "3e9973cd8f9a86fb497a20b130010c18d33f857a2e0f02eecc66ed50ed1d7f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9973cd8f9a86fb497a20b130010c18d33f857a2e0f02eecc66ed50ed1d7f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9973cd8f9a86fb497a20b130010c18d33f857a2e0f02eecc66ed50ed1d7f75", kill_on_drop: false }`
[INFO] [stdout] 3e9973cd8f9a86fb497a20b130010c18d33f857a2e0f02eecc66ed50ed1d7f75
[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] 2bb892e9f73038c756dde8299bcc638166aa71724f896bae89b641a44af422aa
[INFO] running `Command { std: "docker" "start" "-a" "2bb892e9f73038c756dde8299bcc638166aa71724f896bae89b641a44af422aa", kill_on_drop: false }`
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking esc-pos-lib v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::image::DynamicImage`
[INFO] [stdout]  --> tests/physical.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::image::DynamicImage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/physical.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut img = image::Image::new( 1024, 120, data).unwrap();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 6.95s
[INFO] running `Command { std: "docker" "inspect" "2bb892e9f73038c756dde8299bcc638166aa71724f896bae89b641a44af422aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb892e9f73038c756dde8299bcc638166aa71724f896bae89b641a44af422aa", kill_on_drop: false }`
[INFO] [stdout] 2bb892e9f73038c756dde8299bcc638166aa71724f896bae89b641a44af422aa