[INFO] fetching crate ddc-hi 0.4.1...
[INFO] checking ddc-hi-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ddc-hi 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ddc-hi 0.4.1 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 ddc-hi 0.4.1
[INFO] finished tweaking crates.io crate ddc-hi 0.4.1
[INFO] tweaked toml for crates.io crate ddc-hi 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding mccs v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding mccs-caps v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding mccs-db v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v3.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding serde_yaml v0.7.5 (latest: v0.9.34+deprecated)
[INFO] [stderr]       Adding udev v0.2.0 (latest: v0.8.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded nvapi v0.1.4
[INFO] [stderr]   Downloaded edid v0.3.0
[INFO] [stderr]   Downloaded mccs v0.1.3
[INFO] [stderr]   Downloaded mccs-db v0.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.1
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded ddc-macos v0.2.1
[INFO] [stderr]   Downloaded nvapi-sys v0.1.3
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded ddc-i2c v0.2.2
[INFO] [stderr]   Downloaded ddc-winapi v0.2.1
[INFO] [stderr]   Downloaded mccs-caps v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9ed3f96c8f546a957fbdc098bc5efceef3b3e9932d3cf2c62ff41b2485aca18e
[INFO] running `Command { std: "docker" "start" "-a" "9ed3f96c8f546a957fbdc098bc5efceef3b3e9932d3cf2c62ff41b2485aca18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed3f96c8f546a957fbdc098bc5efceef3b3e9932d3cf2c62ff41b2485aca18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed3f96c8f546a957fbdc098bc5efceef3b3e9932d3cf2c62ff41b2485aca18e", kill_on_drop: false }`
[INFO] [stdout] 9ed3f96c8f546a957fbdc098bc5efceef3b3e9932d3cf2c62ff41b2485aca18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fcd6dd48d961474e28b93d44271e11af16c8bd6f7720d84107bdba7deed18898
[INFO] running `Command { std: "docker" "start" "-a" "fcd6dd48d961474e28b93d44271e11af16c8bd6f7720d84107bdba7deed18898", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling ddc-hi v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking mccs v0.1.3
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking i2c-linux-sys v0.2.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking ddc-i2c v0.2.2
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]     Checking mccs-caps v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking mccs-db v0.1.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.58s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "fcd6dd48d961474e28b93d44271e11af16c8bd6f7720d84107bdba7deed18898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd6dd48d961474e28b93d44271e11af16c8bd6f7720d84107bdba7deed18898", kill_on_drop: false }`
[INFO] [stdout] fcd6dd48d961474e28b93d44271e11af16c8bd6f7720d84107bdba7deed18898
[INFO] checking ddc-hi-0.4.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ddc-hi 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ddc-hi 0.4.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ddc-hi 0.4.1
[INFO] finished tweaking crates.io crate ddc-hi 0.4.1
[INFO] tweaked toml for crates.io crate ddc-hi 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c546aa7c10d8d2bd1788694e1a8e10b596b7e74b6cea87fd890b5b1e83d566ee
[INFO] running `Command { std: "docker" "start" "-a" "c546aa7c10d8d2bd1788694e1a8e10b596b7e74b6cea87fd890b5b1e83d566ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c546aa7c10d8d2bd1788694e1a8e10b596b7e74b6cea87fd890b5b1e83d566ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c546aa7c10d8d2bd1788694e1a8e10b596b7e74b6cea87fd890b5b1e83d566ee", kill_on_drop: false }`
[INFO] [stdout] c546aa7c10d8d2bd1788694e1a8e10b596b7e74b6cea87fd890b5b1e83d566ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3474e21fa67e03ea0938387558b678839e3c70b4524ac7285149114dbdcab380
[INFO] running `Command { std: "docker" "start" "-a" "3474e21fa67e03ea0938387558b678839e3c70b4524ac7285149114dbdcab380", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling ddc-hi v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking mccs v0.1.3
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking i2c-linux-sys v0.2.1
[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 v0.2.2
[INFO] [stderr]     Checking mccs-caps v0.1.3
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking mccs-db v0.1.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "3474e21fa67e03ea0938387558b678839e3c70b4524ac7285149114dbdcab380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3474e21fa67e03ea0938387558b678839e3c70b4524ac7285149114dbdcab380", kill_on_drop: false }`
[INFO] [stdout] 3474e21fa67e03ea0938387558b678839e3c70b4524ac7285149114dbdcab380