[INFO] fetching crate argonfand 1.0.3...
[INFO] checking argonfand-1.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate argonfand 1.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate argonfand 1.0.3 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 argonfand 1.0.3
[INFO] finished tweaking crates.io crate argonfand 1.0.3
[INFO] tweaked toml for crates.io crate argonfand 1.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate argonfand 1.0.3 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 quote v1.0.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded alloc-traits v0.1.1
[INFO] [stderr]   Downloaded gpio v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded static-alloc v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 84c089cb1b43688b67a144abf567f0e98d9ffc120eecceaac685ac5a221ad2b9
[INFO] running `Command { std: "docker" "start" "-a" "84c089cb1b43688b67a144abf567f0e98d9ffc120eecceaac685ac5a221ad2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c089cb1b43688b67a144abf567f0e98d9ffc120eecceaac685ac5a221ad2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c089cb1b43688b67a144abf567f0e98d9ffc120eecceaac685ac5a221ad2b9", kill_on_drop: false }`
[INFO] [stdout] 84c089cb1b43688b67a144abf567f0e98d9ffc120eecceaac685ac5a221ad2b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3a88a7e45a6f306983b9f28cf3fa7b9dbb2d51478129ece06a34703533cc58a7
[INFO] running `Command { std: "docker" "start" "-a" "3a88a7e45a6f306983b9f28cf3fa7b9dbb2d51478129ece06a34703533cc58a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]     Checking static-alloc v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking argonfand v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.78s
[INFO] running `Command { std: "docker" "inspect" "3a88a7e45a6f306983b9f28cf3fa7b9dbb2d51478129ece06a34703533cc58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a88a7e45a6f306983b9f28cf3fa7b9dbb2d51478129ece06a34703533cc58a7", kill_on_drop: false }`
[INFO] [stdout] 3a88a7e45a6f306983b9f28cf3fa7b9dbb2d51478129ece06a34703533cc58a7