[INFO] cloning repository https://github.com/MathiasStadler/rust_explore_printpdf_two
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/rust_explore_printpdf_two" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_printpdf_two", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_printpdf_two'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b8de18531d863a66b99ca51267c857654a2a3ac
[INFO] checking MathiasStadler/rust_explore_printpdf_two against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_printpdf_two" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust_explore_printpdf_two 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/MathiasStadler/rust_explore_printpdf_two
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust_explore_printpdf_two
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust_explore_printpdf_two written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/rust_explore_printpdf_two 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v3.3.0
[INFO] [stderr]   Downloaded printpdf v0.6.0
[INFO] [stderr]   Downloaded lopdf v0.31.0
[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] cb2663b7831d75ef478e58bd6c20d2d47f6dd55075a8ca4bcd38ac9e54368a67
[INFO] running `Command { std: "docker" "start" "-a" "cb2663b7831d75ef478e58bd6c20d2d47f6dd55075a8ca4bcd38ac9e54368a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2663b7831d75ef478e58bd6c20d2d47f6dd55075a8ca4bcd38ac9e54368a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2663b7831d75ef478e58bd6c20d2d47f6dd55075a8ca4bcd38ac9e54368a67", kill_on_drop: false }`
[INFO] [stdout] cb2663b7831d75ef478e58bd6c20d2d47f6dd55075a8ca4bcd38ac9e54368a67
[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] 571c607e4a4efa7d7079652bc958a8f47528ddca6a7468f6ac9a2835f507e2db
[INFO] running `Command { std: "docker" "start" "-a" "571c607e4a4efa7d7079652bc958a8f47528ddca6a7468f6ac9a2835f507e2db", kill_on_drop: false }`
[INFO] [stderr] warning: invalid feature `embedded_images` in required-features of target `image`: `embedded_images` is not present in [features] section
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking owned_ttf_parser v0.12.1
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking pom v3.3.0
[INFO] [stderr]     Checking lopdf v0.31.0
[INFO] [stderr]     Checking printpdf v0.6.0
[INFO] [stderr]     Checking rust_explore_printpdf_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "571c607e4a4efa7d7079652bc958a8f47528ddca6a7468f6ac9a2835f507e2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571c607e4a4efa7d7079652bc958a8f47528ddca6a7468f6ac9a2835f507e2db", kill_on_drop: false }`
[INFO] [stdout] 571c607e4a4efa7d7079652bc958a8f47528ddca6a7468f6ac9a2835f507e2db