[INFO] fetching crate i2cdriver 0.1.0...
[INFO] checking i2cdriver-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate i2cdriver 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate i2cdriver 0.1.0 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 i2cdriver 0.1.0
[INFO] finished tweaking crates.io crate i2cdriver 0.1.0
[INFO] tweaked toml for crates.io crate i2cdriver 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate i2cdriver 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded xflags-macros v0.3.1
[INFO] [stderr]   Downloaded tsl2591-eh-driver v0.3.0
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] [stderr]   Downloaded xflags v0.3.1
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0-rc.1
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded lis3dh v0.4.2
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded bitfield v0.14.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-rc.1
[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] 7163e750dbd1ee16fbc7ebd79c7e2154fdc2f2cd7ae0ba06cc1c2f1190d4d4a7
[INFO] running `Command { std: "docker" "start" "-a" "7163e750dbd1ee16fbc7ebd79c7e2154fdc2f2cd7ae0ba06cc1c2f1190d4d4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7163e750dbd1ee16fbc7ebd79c7e2154fdc2f2cd7ae0ba06cc1c2f1190d4d4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7163e750dbd1ee16fbc7ebd79c7e2154fdc2f2cd7ae0ba06cc1c2f1190d4d4a7", kill_on_drop: false }`
[INFO] [stdout] 7163e750dbd1ee16fbc7ebd79c7e2154fdc2f2cd7ae0ba06cc1c2f1190d4d4a7
[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] 179574946a7a0909583b17752e146eb181d50a57f0094814096448342361b10c
[INFO] running `Command { std: "docker" "start" "-a" "179574946a7a0909583b17752e146eb181d50a57f0094814096448342361b10c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-rc.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling lis3dh v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]    Compiling xflags-macros v0.3.1
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking tsl2591-eh-driver v0.3.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking xflags v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking i2cdriver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `Command { std: "docker" "inspect" "179574946a7a0909583b17752e146eb181d50a57f0094814096448342361b10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179574946a7a0909583b17752e146eb181d50a57f0094814096448342361b10c", kill_on_drop: false }`
[INFO] [stdout] 179574946a7a0909583b17752e146eb181d50a57f0094814096448342361b10c