[INFO] updating cached repository https://github.com/fxdave/simple-clock-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1a706bd307bb839a353fc57700cd68c320c4af
[INFO] checking fxdave/simple-clock-rs against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxdave%2Fsimple-clock-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxdave/simple-clock-rs on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fxdave/simple-clock-rs
[INFO] finished tweaking git repo https://github.com/fxdave/simple-clock-rs
[INFO] tweaked toml for git repo https://github.com/fxdave/simple-clock-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fxdave/simple-clock-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/charlesvdv/cairo`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/charlesvdv/cairo`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c09e5e589c1eb36c7e774a318050ff19c0d3c3d9178cb8040f0cb44e4dfdbfb
[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" "7c09e5e589c1eb36c7e774a318050ff19c0d3c3d9178cb8040f0cb44e4dfdbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c09e5e589c1eb36c7e774a318050ff19c0d3c3d9178cb8040f0cb44e4dfdbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c09e5e589c1eb36c7e774a318050ff19c0d3c3d9178cb8040f0cb44e4dfdbfb", kill_on_drop: false }`
[INFO] [stdout] 7c09e5e589c1eb36c7e774a318050ff19c0d3c3d9178cb8040f0cb44e4dfdbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81c515ae2427d4e442f9688eb0ffdeb28f041d2fd22fbbdab828f3b676293cea
[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" "81c515ae2427d4e442f9688eb0ffdeb28f041d2fd22fbbdab828f3b676293cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cairo-rs v0.1.3 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking schedule_recv v0.1.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking simple-clock-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     loop {
[INFO] [stdout] 52 | |         gc.set_source_rgba(bg.0, bg.1, bg.2, bg.3);
[INFO] [stdout] 53 | |         gc.fill_preserve();
[INFO] [stdout] 54 | |         gc.set_source_rgba(fg.0, fg.1, fg.2, fg.3);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         tick.recv().unwrap();
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 64 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     loop {
[INFO] [stdout] 52 | |         gc.set_source_rgba(bg.0, bg.1, bg.2, bg.3);
[INFO] [stdout] 53 | |         gc.fill_preserve();
[INFO] [stdout] 54 | |         gc.set_source_rgba(fg.0, fg.1, fg.2, fg.3);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         tick.recv().unwrap();
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 64 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `paint`
[INFO] [stdout]   --> src/x/graphics_context.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn paint(&self) {
[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: `wait_for_exit`
[INFO] [stdout]   --> src/x/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn wait_for_exit(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `paint`
[INFO] [stdout]   --> src/x/graphics_context.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn paint(&self) {
[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: `wait_for_exit`
[INFO] [stdout]   --> src/x/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn wait_for_exit(&self) {
[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 19.23s
[INFO] running `Command { std: "docker" "inspect" "81c515ae2427d4e442f9688eb0ffdeb28f041d2fd22fbbdab828f3b676293cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c515ae2427d4e442f9688eb0ffdeb28f041d2fd22fbbdab828f3b676293cea", kill_on_drop: false }`
[INFO] [stdout] 81c515ae2427d4e442f9688eb0ffdeb28f041d2fd22fbbdab828f3b676293cea