[INFO] cloning repository https://github.com/dragonmaus/random-wallpaper.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragonmaus/random-wallpaper.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Frandom-wallpaper.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Frandom-wallpaper.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b6cd41cdeb98aa7a014c5a990700be6b2215da7
[INFO] checking dragonmaus/random-wallpaper.rs against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Frandom-wallpaper.rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragonmaus/random-wallpaper.rs on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragonmaus/random-wallpaper.rs
[INFO] finished tweaking git repo https://github.com/dragonmaus/random-wallpaper.rs
[INFO] tweaked toml for git repo https://github.com/dragonmaus/random-wallpaper.rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dragonmaus/random-wallpaper.rs 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" "+092a284ba0421695f2032c947765429fd7095796" "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]     Updating git repository `git://git.dragonma.us/rust/program`
[INFO] [stderr]     Updating git repository `git://git.dragonma.us/rust/realpath`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopt v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc34dd96277a0ab3f5adc31a6c51350f35fcd745a4877267a2141081dfd995fb
[INFO] running `Command { std: "docker" "start" "-a" "cc34dd96277a0ab3f5adc31a6c51350f35fcd745a4877267a2141081dfd995fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc34dd96277a0ab3f5adc31a6c51350f35fcd745a4877267a2141081dfd995fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc34dd96277a0ab3f5adc31a6c51350f35fcd745a4877267a2141081dfd995fb", kill_on_drop: false }`
[INFO] [stdout] cc34dd96277a0ab3f5adc31a6c51350f35fcd745a4877267a2141081dfd995fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc85f38f77901b9aee24c8c0e4839bde30b44bebe88de1e411d5f94c45b70ed6
[INFO] running `Command { std: "docker" "start" "-a" "cc85f38f77901b9aee24c8c0e4839bde30b44bebe88de1e411d5f94c45b70ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking program v1.0.2 (git://git.dragonma.us/rust/program#f65a78fc)
[INFO] [stderr]     Checking getopt v1.1.6
[INFO] [stderr]     Checking imghdr v0.7.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking realpath v1.0.2 (git://git.dragonma.us/rust/realpath#b81c4cf1)
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking random-wallpaper v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "cc85f38f77901b9aee24c8c0e4839bde30b44bebe88de1e411d5f94c45b70ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc85f38f77901b9aee24c8c0e4839bde30b44bebe88de1e411d5f94c45b70ed6", kill_on_drop: false }`
[INFO] [stdout] cc85f38f77901b9aee24c8c0e4839bde30b44bebe88de1e411d5f94c45b70ed6