[INFO] cloning repository https://github.com/asimpson/win-switch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asimpson/win-switch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasimpson%2Fwin-switch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasimpson%2Fwin-switch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7365812866ad1c2095a9b810fa1a88c44f1b3471
[INFO] checking asimpson/win-switch-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasimpson%2Fwin-switch-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asimpson/win-switch-rs 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 git repo https://github.com/asimpson/win-switch-rs
[INFO] finished tweaking git repo https://github.com/asimpson/win-switch-rs
[INFO] tweaked toml for git repo https://github.com/asimpson/win-switch-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/asimpson/win-switch-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mccs-db v0.1.2
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.0
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded ddc-i2c v0.2.1
[INFO] [stderr]   Downloaded ddc-macos v0.2.0
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded widestring v0.3.0
[INFO] [stderr]   Downloaded ddc-winapi v0.2.0
[INFO] [stderr]   Downloaded edid v0.3.0
[INFO] [stderr]   Downloaded mccs-caps v0.1.0
[INFO] [stderr]   Downloaded nvapi-sys v0.1.3
[INFO] [stderr]   Downloaded nvapi v0.1.3
[INFO] [stderr]   Downloaded ddc-hi v0.3.0
[INFO] [stderr]   Downloaded mccs v0.1.0
[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] 06a8d19bf31a3e74308095645a14ab68712ced9b5a52b96f2e6a16b9b26c4526
[INFO] running `Command { std: "docker" "start" "-a" "06a8d19bf31a3e74308095645a14ab68712ced9b5a52b96f2e6a16b9b26c4526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a8d19bf31a3e74308095645a14ab68712ced9b5a52b96f2e6a16b9b26c4526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a8d19bf31a3e74308095645a14ab68712ced9b5a52b96f2e6a16b9b26c4526", kill_on_drop: false }`
[INFO] [stdout] 06a8d19bf31a3e74308095645a14ab68712ced9b5a52b96f2e6a16b9b26c4526
[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] 493a440375d223e06bf186b65fc93232196a24f1b4239ed37b9c57ddc90cb47b
[INFO] running `Command { std: "docker" "start" "-a" "493a440375d223e06bf186b65fc93232196a24f1b4239ed37b9c57ddc90cb47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling ddc-hi v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking win-switch-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "493a440375d223e06bf186b65fc93232196a24f1b4239ed37b9c57ddc90cb47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493a440375d223e06bf186b65fc93232196a24f1b4239ed37b9c57ddc90cb47b", kill_on_drop: false }`
[INFO] [stdout] 493a440375d223e06bf186b65fc93232196a24f1b4239ed37b9c57ddc90cb47b