[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#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frincewound%2Fmu-common" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rincewound/mu-common on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7605c6b7137dd4291d6f76a97f6adee13799620ee1a1e146c74321adc976ed8f
[INFO] running `Command { std: "docker" "start" "-a" "7605c6b7137dd4291d6f76a97f6adee13799620ee1a1e146c74321adc976ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7605c6b7137dd4291d6f76a97f6adee13799620ee1a1e146c74321adc976ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7605c6b7137dd4291d6f76a97f6adee13799620ee1a1e146c74321adc976ed8f", kill_on_drop: false }`
[INFO] [stdout] 7605c6b7137dd4291d6f76a97f6adee13799620ee1a1e146c74321adc976ed8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d950c13755ccb23fa43d441dc4311f7b4a0256956de603f6b326087c3a58ae
[INFO] running `Command { std: "docker" "start" "-a" "30d950c13755ccb23fa43d441dc4311f7b4a0256956de603f6b326087c3a58ae", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30d950c13755ccb23fa43d441dc4311f7b4a0256956de603f6b326087c3a58ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d950c13755ccb23fa43d441dc4311f7b4a0256956de603f6b326087c3a58ae", kill_on_drop: false }`
[INFO] [stdout] 30d950c13755ccb23fa43d441dc4311f7b4a0256956de603f6b326087c3a58ae