[INFO] cloning repository https://github.com/rincewound/mu-common
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rincewound/mu-common" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frincewound%2Fmu-common", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frincewound%2Fmu-common'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 065344d168a764fa6a67cd952903fdba1d19c18c
[INFO] checking rincewound/mu-common against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frincewound%2Fmu-common" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rincewound/mu-common on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rincewound/mu-common
[INFO] finished tweaking git repo https://github.com/rincewound/mu-common
[INFO] tweaked toml for git repo https://github.com/rincewound/mu-common written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rincewound/mu-common already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 426689fffa3d1dc1afe256e0695520379df94fc9ea79a4fa6276db84e6c5199d
[INFO] running `Command { std: "docker" "start" "-a" "426689fffa3d1dc1afe256e0695520379df94fc9ea79a4fa6276db84e6c5199d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "426689fffa3d1dc1afe256e0695520379df94fc9ea79a4fa6276db84e6c5199d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426689fffa3d1dc1afe256e0695520379df94fc9ea79a4fa6276db84e6c5199d", kill_on_drop: false }`
[INFO] [stdout] 426689fffa3d1dc1afe256e0695520379df94fc9ea79a4fa6276db84e6c5199d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd55e8b733ed0f5f17d77fff0c28f4d94a73b9000d5f85f8e4242aae17a59169
[INFO] running `Command { std: "docker" "start" "-a" "fd55e8b733ed0f5f17d77fff0c28f4d94a73b9000d5f85f8e4242aae17a59169", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking mucommon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UpdateEncoding`
[INFO] [stdout]  --> src/image_installer.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{update_info, Flasher, UpdateEncoding, crc};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UpdateEncoding`
[INFO] [stdout]  --> src/image_installer.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{update_info, Flasher, UpdateEncoding, crc};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "fd55e8b733ed0f5f17d77fff0c28f4d94a73b9000d5f85f8e4242aae17a59169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd55e8b733ed0f5f17d77fff0c28f4d94a73b9000d5f85f8e4242aae17a59169", kill_on_drop: false }`
[INFO] [stdout] fd55e8b733ed0f5f17d77fff0c28f4d94a73b9000d5f85f8e4242aae17a59169