[INFO] cloning repository https://github.com/singulared/swayboard
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singulared/swayboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29ed3536909181715d9db778d1e77fbb3ee38431
[INFO] checking singulared/swayboard against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singulared/swayboard on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/singulared/swayboard
[INFO] finished tweaking git repo https://github.com/singulared/swayboard
[INFO] tweaked toml for git repo https://github.com/singulared/swayboard written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/singulared/swayboard already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d1d54331d0d694084b8e7ea24ed083157824f97871e91f4cf4e37e631087fdf
[INFO] running `"docker" "start" "-a" "7d1d54331d0d694084b8e7ea24ed083157824f97871e91f4cf4e37e631087fdf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking swayipc v2.4.1
[INFO] [stderr]     Checking swayboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'swayipc::not_sync::event::EventIterator::next': use the `event_stream` feature instead
[INFO] [stderr]   --> src/main.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     while let event = events.next().await {
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     while let event = events.next().await {
[INFO] [stderr] 60 | |         println!("{:#?}\n", event?)
[INFO] [stderr] 61 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'swayipc::not_sync::event::EventIterator::next': use the `event_stream` feature instead
[INFO] [stderr]   --> src/main.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     while let event = events.next().await {
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     while let event = events.next().await {
[INFO] [stderr] 60 | |         println!("{:#?}\n", event?)
[INFO] [stderr] 61 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.43s
[INFO] running `"docker" "inspect" "7d1d54331d0d694084b8e7ea24ed083157824f97871e91f4cf4e37e631087fdf"`
[INFO] running `"docker" "rm" "-f" "7d1d54331d0d694084b8e7ea24ed083157824f97871e91f4cf4e37e631087fdf"`
[INFO] [stdout] 7d1d54331d0d694084b8e7ea24ed083157824f97871e91f4cf4e37e631087fdf