[INFO] fetching crate ecc608-linux 0.2.3...
[INFO] checking ecc608-linux-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ecc608-linux 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ecc608-linux 0.2.3 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 ecc608-linux 0.2.3
[INFO] finished tweaking crates.io crate ecc608-linux 0.2.3
[INFO] tweaked toml for crates.io crate ecc608-linux 0.2.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[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 unescaper v0.1.4
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.1
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded bitfield v0.14.0
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6c2418b9f7e9c5b24cfd386961fffe5c9b066874eca96617f1c46406d72586ad
[INFO] running `Command { std: "docker" "start" "-a" "6c2418b9f7e9c5b24cfd386961fffe5c9b066874eca96617f1c46406d72586ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c2418b9f7e9c5b24cfd386961fffe5c9b066874eca96617f1c46406d72586ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2418b9f7e9c5b24cfd386961fffe5c9b066874eca96617f1c46406d72586ad", kill_on_drop: false }`
[INFO] [stdout] 6c2418b9f7e9c5b24cfd386961fffe5c9b066874eca96617f1c46406d72586ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3b1d3dd1d2cfa135ebb1c3e78349bcb4ba93058da4a8eda09d12f57863df7d3
[INFO] running `Command { std: "docker" "start" "-a" "c3b1d3dd1d2cfa135ebb1c3e78349bcb4ba93058da4a8eda09d12f57863df7d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking i2c-linux-sys v0.2.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking ecc608-linux v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "c3b1d3dd1d2cfa135ebb1c3e78349bcb4ba93058da4a8eda09d12f57863df7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b1d3dd1d2cfa135ebb1c3e78349bcb4ba93058da4a8eda09d12f57863df7d3", kill_on_drop: false }`
[INFO] [stdout] c3b1d3dd1d2cfa135ebb1c3e78349bcb4ba93058da4a8eda09d12f57863df7d3