[INFO] fetching crate monitor-switch 0.2.0... [INFO] checking monitor-switch-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate monitor-switch 0.2.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate monitor-switch 0.2.0 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 monitor-switch 0.2.0 [INFO] finished tweaking crates.io crate monitor-switch 0.2.0 [INFO] tweaked toml for crates.io crate monitor-switch 0.2.0 written to /workspace/builds/worker-7-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 76 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding ddc-hi v0.1.3 (latest: v0.4.1) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding edid v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [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 object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding serde_yaml v0.7.5 (latest: v0.9.34+deprecated) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enum_derive v0.1.7 [INFO] [stderr] Downloaded ddc-hi v0.1.3 [INFO] [stderr] Downloaded mccs-db v0.1.3 [INFO] [stderr] Downloaded nvapi v0.1.4 [INFO] [stderr] Downloaded serde_yaml v0.7.5 [INFO] [stderr] Downloaded i2c v0.1.0 [INFO] [stderr] Downloaded nvapi-sys v0.1.3 [INFO] [stderr] Downloaded i2c-linux-sys v0.2.1 [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 v0.2.2 [INFO] [stderr] Downloaded ddc v0.2.2 [INFO] [stderr] Downloaded ddc-winapi v0.2.1 [INFO] [stderr] Downloaded edid v0.2.0 [INFO] [stderr] Downloaded mccs-caps v0.1.3 [INFO] [stderr] Downloaded mccs v0.1.3 [INFO] [stderr] Downloaded macro-attr v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b469d7b6949d346e3daded45765841c47fa83dc0ef7f038b81e8769411d5124c [INFO] running `Command { std: "docker" "start" "-a" "b469d7b6949d346e3daded45765841c47fa83dc0ef7f038b81e8769411d5124c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b469d7b6949d346e3daded45765841c47fa83dc0ef7f038b81e8769411d5124c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b469d7b6949d346e3daded45765841c47fa83dc0ef7f038b81e8769411d5124c", kill_on_drop: false }` [INFO] [stdout] b469d7b6949d346e3daded45765841c47fa83dc0ef7f038b81e8769411d5124c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 46656af57683da875de4e0a7c8972004b429c79ea2a0f09b8c6170f015551880 [INFO] running `Command { std: "docker" "start" "-a" "46656af57683da875de4e0a7c8972004b429c79ea2a0f09b8c6170f015551880", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling uninitialized v0.0.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking i2c v0.1.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling ddc-hi v0.1.3 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Checking macro-attr v0.2.0 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking mccs v0.1.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking ddc v0.2.2 [INFO] [stderr] Checking resize-slice v0.1.3 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking i2c-linux-sys v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking env_logger v0.5.13 [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 v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mccs-db v0.1.3 [INFO] [stderr] Checking monitor-switch v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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` profile [unoptimized + debuginfo] target(s) in 13.02s [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" "46656af57683da875de4e0a7c8972004b429c79ea2a0f09b8c6170f015551880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46656af57683da875de4e0a7c8972004b429c79ea2a0f09b8c6170f015551880", kill_on_drop: false }` [INFO] [stdout] 46656af57683da875de4e0a7c8972004b429c79ea2a0f09b8c6170f015551880 [INFO] checking monitor-switch-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate monitor-switch 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate monitor-switch 0.2.0 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 monitor-switch 0.2.0 [INFO] finished tweaking crates.io crate monitor-switch 0.2.0 [INFO] tweaked toml for crates.io crate monitor-switch 0.2.0 written to /workspace/builds/worker-7-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] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8a671323bd5d2b60cd21a110cc6337abccf4e8db944290c636660810794f2886 [INFO] running `Command { std: "docker" "start" "-a" "8a671323bd5d2b60cd21a110cc6337abccf4e8db944290c636660810794f2886", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a671323bd5d2b60cd21a110cc6337abccf4e8db944290c636660810794f2886", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a671323bd5d2b60cd21a110cc6337abccf4e8db944290c636660810794f2886", kill_on_drop: false }` [INFO] [stdout] 8a671323bd5d2b60cd21a110cc6337abccf4e8db944290c636660810794f2886 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] be76b5d181a64a25fc72b037aaed4a9883904c4c17bcf0838011e8f3f638c2d3 [INFO] running `Command { std: "docker" "start" "-a" "be76b5d181a64a25fc72b037aaed4a9883904c4c17bcf0838011e8f3f638c2d3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling uninitialized v0.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking i2c v0.1.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling ddc-hi v0.1.3 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Checking macro-attr v0.2.0 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking mccs v0.1.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking ddc v0.2.2 [INFO] [stderr] Checking resize-slice v0.1.3 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking i2c-linux-sys v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking udev v0.2.0 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking i2c-linux v0.1.2 [INFO] [stderr] Checking ddc-i2c v0.2.2 [INFO] [stderr] Checking edid v0.2.0 [INFO] [stderr] Checking mccs-caps v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mccs-db v0.1.3 [INFO] [stderr] Checking monitor-switch v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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` profile [unoptimized + debuginfo] target(s) in 15.87s [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" "be76b5d181a64a25fc72b037aaed4a9883904c4c17bcf0838011e8f3f638c2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be76b5d181a64a25fc72b037aaed4a9883904c4c17bcf0838011e8f3f638c2d3", kill_on_drop: false }` [INFO] [stdout] be76b5d181a64a25fc72b037aaed4a9883904c4c17bcf0838011e8f3f638c2d3