[INFO] crate wayland-client 0.26.6 is already in cache
[INFO] checking wayland-client-0.26.6 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate wayland-client 0.26.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate wayland-client 0.26.6 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wayland-client 0.26.6
[INFO] finished tweaking crates.io crate wayland-client 0.26.6
[INFO] tweaked toml for crates.io crate wayland-client 0.26.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate wayland-client 0.26.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bcb5e8bbcdbcb58b518d6a58b1d2d529af6956be8b2162cab2cc42827f6e51ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bcb5e8bbcdbcb58b518d6a58b1d2d529af6956be8b2162cab2cc42827f6e51ca"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking wayland-sys v0.26.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling wayland-scanner v0.26.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-client v0.26.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wayland-commons v0.26.6
[INFO] [stderr] warning: value assigned to `seat_name` is never read
[INFO] [stderr]   --> examples/dynamic_globals.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 | ...                   seat_name = Some(name);
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `caps` is never read
[INFO] [stderr]   --> examples/dynamic_globals.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 | ...                   caps = Some(capabilities);
[INFO] [stderr]    |                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `seat_name`
[INFO] [stderr]   --> examples/dynamic_globals.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 | ...                   seat_name = Some(name);
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `caps`
[INFO] [stderr]   --> examples/dynamic_globals.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 | ...                   caps = Some(capabilities);
[INFO] [stderr]    |                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `"docker" "inspect" "bcb5e8bbcdbcb58b518d6a58b1d2d529af6956be8b2162cab2cc42827f6e51ca"`
[INFO] running `"docker" "rm" "-f" "bcb5e8bbcdbcb58b518d6a58b1d2d529af6956be8b2162cab2cc42827f6e51ca"`
[INFO] [stdout] bcb5e8bbcdbcb58b518d6a58b1d2d529af6956be8b2162cab2cc42827f6e51ca