[INFO] cloning repository https://github.com/cartoon-raccoon/rcwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cartoon-raccoon/rcwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Frcwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Frcwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abc78ec47f173e354fd694a582359ef31a34a6df
[INFO] checking cartoon-raccoon/rcwm against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Frcwm" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cartoon-raccoon/rcwm on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cartoon-raccoon/rcwm
[INFO] finished tweaking git repo https://github.com/cartoon-raccoon/rcwm
[INFO] tweaked toml for git repo https://github.com/cartoon-raccoon/rcwm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cartoon-raccoon/rcwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", 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] d6e229b2ce8e59e9a4d8cfe0e84dccc56d795fadd83ed2817dc12e846d4216f5
[INFO] running `Command { std: "docker" "start" "-a" "d6e229b2ce8e59e9a4d8cfe0e84dccc56d795fadd83ed2817dc12e846d4216f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e229b2ce8e59e9a4d8cfe0e84dccc56d795fadd83ed2817dc12e846d4216f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e229b2ce8e59e9a4d8cfe0e84dccc56d795fadd83ed2817dc12e846d4216f5", kill_on_drop: false }`
[INFO] [stdout] d6e229b2ce8e59e9a4d8cfe0e84dccc56d795fadd83ed2817dc12e846d4216f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ee22f9879f897e057004c1ef8fbd27016f51bbbb3e35be06fb5e2a4ac35392
[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" "f6ee22f9879f897e057004c1ef8fbd27016f51bbbb3e35be06fb5e2a4ac35392", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking flexi_logger v0.17.1
[INFO] [stderr]     Checking xcb-util v0.3.0
[INFO] [stderr]     Checking rcwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `XEvent`
[INFO] [stdout]  --> src/manager/event.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::x::core::{XEvent, XWindowID};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::WMState`
[INFO] [stdout]  --> src/manager/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) use state::WMState;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `XEvent`
[INFO] [stdout]  --> src/manager/event.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::x::core::{XEvent, XWindowID};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::WMState`
[INFO] [stdout]  --> src/manager/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) use state::WMState;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WMState`
[INFO] [stdout]  --> src/manager/state.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct WMState<'a> {
[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: `state`
[INFO] [stdout]   --> src/manager/state.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn state(&self) -> WMState {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WMState`
[INFO] [stdout]  --> src/manager/state.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct WMState<'a> {
[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: `state`
[INFO] [stdout]   --> src/manager/state.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn state(&self) -> WMState {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WMState`
[INFO] [stdout]  --> src/manager/state.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct WMState<'a> {
[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: `state`
[INFO] [stdout]   --> src/manager/state.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn state(&self) -> WMState {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WMState`
[INFO] [stdout]  --> src/manager/state.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct WMState<'a> {
[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: `state`
[INFO] [stdout]   --> src/manager/state.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn state(&self) -> WMState {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.90s
[INFO] running `Command { std: "docker" "inspect" "f6ee22f9879f897e057004c1ef8fbd27016f51bbbb3e35be06fb5e2a4ac35392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ee22f9879f897e057004c1ef8fbd27016f51bbbb3e35be06fb5e2a4ac35392", kill_on_drop: false }`
[INFO] [stdout] f6ee22f9879f897e057004c1ef8fbd27016f51bbbb3e35be06fb5e2a4ac35392