[INFO] cloning 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" "clone" "--bare" "https://github.com/fxdave/simple-clock-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxdave%2Fsimple-clock-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxdave%2Fsimple-clock-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1a706bd307bb839a353fc57700cd68c320c4af
[INFO] checking fxdave/simple-clock-rs against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxdave%2Fsimple-clock-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxdave/simple-clock-rs on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-8/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[INFO] the lockfile is outdated, regenerating it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" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/charlesvdv/cairo`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d15314b8b631fd725f4b41f44c6498a7c73e01ca8c1458220ff6b4c986adb9ba
[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" "d15314b8b631fd725f4b41f44c6498a7c73e01ca8c1458220ff6b4c986adb9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d15314b8b631fd725f4b41f44c6498a7c73e01ca8c1458220ff6b4c986adb9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15314b8b631fd725f4b41f44c6498a7c73e01ca8c1458220ff6b4c986adb9ba", kill_on_drop: false }`
[INFO] [stdout] d15314b8b631fd725f4b41f44c6498a7c73e01ca8c1458220ff6b4c986adb9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 0bdeb13c98a789453e832a57905b507ad07a1ab40450c8fb8f57051f8ed9163e
[INFO] running `Command { std: "docker" "start" "-a" "0bdeb13c98a789453e832a57905b507ad07a1ab40450c8fb8f57051f8ed9163e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cairo-rs v0.1.3 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]     Checking schedule_recv v0.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.52s
[INFO] running `Command { std: "docker" "inspect" "0bdeb13c98a789453e832a57905b507ad07a1ab40450c8fb8f57051f8ed9163e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdeb13c98a789453e832a57905b507ad07a1ab40450c8fb8f57051f8ed9163e", kill_on_drop: false }`
[INFO] [stdout] 0bdeb13c98a789453e832a57905b507ad07a1ab40450c8fb8f57051f8ed9163e