[INFO] fetching crate ashpaper-plus 0.5.1...
[INFO] checking ashpaper-plus-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ashpaper-plus 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ashpaper-plus 0.5.1 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 ashpaper-plus 0.5.1
[INFO] finished tweaking crates.io crate ashpaper-plus 0.5.1
[INFO] tweaked toml for crates.io crate ashpaper-plus 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ashpaper-plus 0.5.1 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 unicode-xid v0.2.1
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded cranelift-jit v0.71.0
[INFO] [stderr]   Downloaded cranelift-native v0.71.0
[INFO] [stderr]   Downloaded cranelift v0.71.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded cranelift-frontend v0.71.0
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.71.0
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded cranelift-codegen v0.71.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded cmudict-fast v0.8.0
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded cranelift-bforest v0.71.0
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded cranelift-entity v0.71.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded syn v1.0.61
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.71.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.2
[INFO] [stderr]   Downloaded cranelift-module v0.71.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4549c366a4c9517868265c5ab1fabb88c2ff4e8957c6cd7d3ec1963806509fb3
[INFO] running `Command { std: "docker" "start" "-a" "4549c366a4c9517868265c5ab1fabb88c2ff4e8957c6cd7d3ec1963806509fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4549c366a4c9517868265c5ab1fabb88c2ff4e8957c6cd7d3ec1963806509fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4549c366a4c9517868265c5ab1fabb88c2ff4e8957c6cd7d3ec1963806509fb3", kill_on_drop: false }`
[INFO] [stdout] 4549c366a4c9517868265c5ab1fabb88c2ff4e8957c6cd7d3ec1963806509fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f98886abd561d641bb7a21f6c601fe72ad8700f6447c4d58db3f932fcf88e110
[INFO] running `Command { std: "docker" "start" "-a" "f98886abd561d641bb7a21f6c601fe72ad8700f6447c4d58db3f932fcf88e110", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking cmudict-fast v0.8.0
[INFO] [stderr]     Checking ashpaper-plus v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "f98886abd561d641bb7a21f6c601fe72ad8700f6447c4d58db3f932fcf88e110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98886abd561d641bb7a21f6c601fe72ad8700f6447c4d58db3f932fcf88e110", kill_on_drop: false }`
[INFO] [stdout] f98886abd561d641bb7a21f6c601fe72ad8700f6447c4d58db3f932fcf88e110