[INFO] fetching crate towebp 0.2.1...
[INFO] checking towebp-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate towebp 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate towebp 0.2.1 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 towebp 0.2.1
[INFO] finished tweaking crates.io crate towebp 0.2.1
[INFO] tweaked toml for crates.io crate towebp 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate towebp 0.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded webp v0.2.1
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded exr v1.4.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.1
[INFO] [stderr]   Downloaded deflate v0.9.1
[INFO] [stderr]   Downloaded image v0.24.0
[INFO] [stderr]   Downloaded flume v0.10.10
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded tiff v0.7.1
[INFO] [stderr]   Downloaded png v0.17.2
[INFO] [stderr]   Downloaded libwebp-sys v0.4.2
[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] 9d1b9718143c340128f059bcfc0eee849027c79c2103472d313a272f531c8b8a
[INFO] running `Command { std: "docker" "start" "-a" "9d1b9718143c340128f059bcfc0eee849027c79c2103472d313a272f531c8b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1b9718143c340128f059bcfc0eee849027c79c2103472d313a272f531c8b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1b9718143c340128f059bcfc0eee849027c79c2103472d313a272f531c8b8a", kill_on_drop: false }`
[INFO] [stdout] 9d1b9718143c340128f059bcfc0eee849027c79c2103472d313a272f531c8b8a
[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] f02fd28e518288e66572bec94b3aed1c2e02f4b56899283d2176f2c483ba5064
[INFO] running `Command { std: "docker" "start" "-a" "f02fd28e518288e66572bec94b3aed1c2e02f4b56899283d2176f2c483ba5064", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking png v0.17.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling libwebp-sys v0.4.2
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.10
[INFO] [stderr]     Checking exr v1.4.1
[INFO] [stderr]     Checking image v0.24.0
[INFO] [stderr]     Checking webp v0.2.1
[INFO] [stderr]     Checking towebp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.04s
[INFO] running `Command { std: "docker" "inspect" "f02fd28e518288e66572bec94b3aed1c2e02f4b56899283d2176f2c483ba5064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02fd28e518288e66572bec94b3aed1c2e02f4b56899283d2176f2c483ba5064", kill_on_drop: false }`
[INFO] [stdout] f02fd28e518288e66572bec94b3aed1c2e02f4b56899283d2176f2c483ba5064