[INFO] fetching crate monkey-printer 0.1.4...
[INFO] checking monkey-printer-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate monkey-printer 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate monkey-printer 0.1.4 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 monkey-printer 0.1.4
[INFO] finished tweaking crates.io crate monkey-printer 0.1.4
[INFO] tweaked toml for crates.io crate monkey-printer 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate monkey-printer 0.1.4 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 indicatif v0.17.0
[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] fdc758cdebf67c8bd55ffe29ad27a8f438d13129828036f4cf22619aba72e826
[INFO] running `Command { std: "docker" "start" "-a" "fdc758cdebf67c8bd55ffe29ad27a8f438d13129828036f4cf22619aba72e826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc758cdebf67c8bd55ffe29ad27a8f438d13129828036f4cf22619aba72e826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc758cdebf67c8bd55ffe29ad27a8f438d13129828036f4cf22619aba72e826", kill_on_drop: false }`
[INFO] [stdout] fdc758cdebf67c8bd55ffe29ad27a8f438d13129828036f4cf22619aba72e826
[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] c3c998b65b7d26fc081a29e76a2038dfdaeaf0faf442439bfe263f5abc078960
[INFO] running `Command { std: "docker" "start" "-a" "c3c998b65b7d26fc081a29e76a2038dfdaeaf0faf442439bfe263f5abc078960", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling monkey-printer v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking indicatif v0.17.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `Command { std: "docker" "inspect" "c3c998b65b7d26fc081a29e76a2038dfdaeaf0faf442439bfe263f5abc078960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c998b65b7d26fc081a29e76a2038dfdaeaf0faf442439bfe263f5abc078960", kill_on_drop: false }`
[INFO] [stdout] c3c998b65b7d26fc081a29e76a2038dfdaeaf0faf442439bfe263f5abc078960