[INFO] fetching crate vl-convert-pdf 1.2.0...
[INFO] checking vl-convert-pdf-1.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate vl-convert-pdf 1.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate vl-convert-pdf 1.2.0 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 vl-convert-pdf 1.2.0
[INFO] finished tweaking crates.io crate vl-convert-pdf 1.2.0
[INFO] tweaked toml for crates.io crate vl-convert-pdf 1.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate vl-convert-pdf 1.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-skia-path v0.11.2
[INFO] [stderr]   Downloaded subsetter v0.1.1
[INFO] [stderr]   Downloaded siphasher v1.0.0
[INFO] [stderr]   Downloaded svg2pdf v0.9.1
[INFO] [stderr]   Downloaded data-url v0.3.0
[INFO] [stderr]   Downloaded pdf-writer v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e15e08f787e093d4c4af853aa54e9ebea3a08ab0d826616837aaeed7e443f952
[INFO] running `Command { std: "docker" "start" "-a" "e15e08f787e093d4c4af853aa54e9ebea3a08ab0d826616837aaeed7e443f952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15e08f787e093d4c4af853aa54e9ebea3a08ab0d826616837aaeed7e443f952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15e08f787e093d4c4af853aa54e9ebea3a08ab0d826616837aaeed7e443f952", kill_on_drop: false }`
[INFO] [stdout] e15e08f787e093d4c4af853aa54e9ebea3a08ab0d826616837aaeed7e443f952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] eb17bf8ba468041659b95306e08302588f8385d7cc0118f0419ae24a8bbcd53d
[INFO] running `Command { std: "docker" "start" "-a" "eb17bf8ba468041659b95306e08302588f8385d7cc0118f0419ae24a8bbcd53d", kill_on_drop: false }`
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[INFO] [stderr]     Checking xmlparser v0.13.6
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[INFO] [stderr]    Compiling anyhow v1.0.75
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[INFO] [stderr]     Checking vl-convert-pdf v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `RefExt` is never used
[INFO] [stdout]   --> src/lib.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | trait RefExt {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefExt` is never used
[INFO] [stdout]   --> src/lib.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | trait RefExt {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "eb17bf8ba468041659b95306e08302588f8385d7cc0118f0419ae24a8bbcd53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb17bf8ba468041659b95306e08302588f8385d7cc0118f0419ae24a8bbcd53d", kill_on_drop: false }`
[INFO] [stdout] eb17bf8ba468041659b95306e08302588f8385d7cc0118f0419ae24a8bbcd53d