[INFO] fetching crate desed 1.2.0...
[INFO] checking desed-1.2.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate desed 1.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate desed 1.2.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desed 1.2.0
[INFO] finished tweaking crates.io crate desed 1.2.0
[INFO] tweaked toml for crates.io crate desed 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate desed 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f529f9e473e517bce7bc79d4212cffee85f294912cc0d721ff4838e06cc36ba1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f529f9e473e517bce7bc79d4212cffee85f294912cc0d721ff4838e06cc36ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f529f9e473e517bce7bc79d4212cffee85f294912cc0d721ff4838e06cc36ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f529f9e473e517bce7bc79d4212cffee85f294912cc0d721ff4838e06cc36ba1", kill_on_drop: false }`
[INFO] [stdout] f529f9e473e517bce7bc79d4212cffee85f294912cc0d721ff4838e06cc36ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e1d549e9cd0e9de516ca02c2bdd64f6240e20dcaeff05b4474875d8a8721214
[INFO] running `Command { std: "docker" "start" "-a" "2e1d549e9cd0e9de516ca02c2bdd64f6240e20dcaeff05b4474875d8a8721214", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking crossterm v0.17.6
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking desed v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `descriptor`
[INFO] [stdout]   --> src/file_watcher/inotify.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     descriptor: inotify::WatchDescriptor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rm_watch`
[INFO] [stdout]   --> src/file_watcher/inotify.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn rm_watch(&mut self, fw: &FileWatchImpl) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FileWatch`
[INFO] [stdout]  --> src/file_watcher/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         pub type FileWatch = crate::file_watcher::inotify::FileWatchImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `descriptor`
[INFO] [stdout]   --> src/file_watcher/inotify.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     descriptor: inotify::WatchDescriptor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rm_watch`
[INFO] [stdout]   --> src/file_watcher/inotify.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn rm_watch(&mut self, fw: &FileWatchImpl) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FileWatch`
[INFO] [stdout]  --> src/file_watcher/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         pub type FileWatch = crate::file_watcher::inotify::FileWatchImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `Command { std: "docker" "inspect" "2e1d549e9cd0e9de516ca02c2bdd64f6240e20dcaeff05b4474875d8a8721214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1d549e9cd0e9de516ca02c2bdd64f6240e20dcaeff05b4474875d8a8721214", kill_on_drop: false }`
[INFO] [stdout] 2e1d549e9cd0e9de516ca02c2bdd64f6240e20dcaeff05b4474875d8a8721214