[INFO] fetching crate xidlehook-core 0.3.0...
[INFO] checking xidlehook-core-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xidlehook-core 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate xidlehook-core 0.3.0
[INFO] finished tweaking crates.io crate xidlehook-core 0.3.0
[INFO] tweaked toml for crates.io crate xidlehook-core 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xidlehook-core 0.3.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xidlehook-core 0.3.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 188d887f49eee982c40331012c357392df0c3e14c008bb267ddb6a35aa525abe
[INFO] running `Command { std: "docker" "start" "-a" "188d887f49eee982c40331012c357392df0c3e14c008bb267ddb6a35aa525abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188d887f49eee982c40331012c357392df0c3e14c008bb267ddb6a35aa525abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188d887f49eee982c40331012c357392df0c3e14c008bb267ddb6a35aa525abe", kill_on_drop: false }`
[INFO] [stdout] 188d887f49eee982c40331012c357392df0c3e14c008bb267ddb6a35aa525abe
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b9cf562e48fd3e851cb591f8fb77e98979b460bb8903ff63828f3e64c6760b
[INFO] running `Command { std: "docker" "start" "-a" "c6b9cf562e48fd3e851cb591f8fb77e98979b460bb8903ff63828f3e64c6760b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling libpulse-sys v1.18.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking libpulse-binding v2.23.0
[INFO] [stderr]     Checking xidlehook-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:486:42
[INFO] [stdout]     |
[INFO] [stdout] 486 |   ...                   tv_nsec: delay
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 487 | | ...                       .subsec_nanos()
[INFO] [stdout] 488 | | ...                       .try_into()
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xidlehook-core` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:486:42
[INFO] [stdout]     |
[INFO] [stdout] 486 |   ...                   tv_nsec: delay
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 487 | | ...                       .subsec_nanos()
[INFO] [stdout] 488 | | ...                       .try_into()
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xidlehook-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c6b9cf562e48fd3e851cb591f8fb77e98979b460bb8903ff63828f3e64c6760b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b9cf562e48fd3e851cb591f8fb77e98979b460bb8903ff63828f3e64c6760b", kill_on_drop: false }`
[INFO] [stdout] c6b9cf562e48fd3e851cb591f8fb77e98979b460bb8903ff63828f3e64c6760b