[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] testing fxdave/simple-clock-rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxdave%2Fsimple-clock-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxdave/simple-clock-rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-9/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-9/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[INFO] the lockfile is outdated, regenerating it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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 69aa5ff24479c1c89c2906bf8ef6e5e89254fe64371e9178e68511726cd95af1
[INFO] running `Command { std: "docker" "start" "-a" "69aa5ff24479c1c89c2906bf8ef6e5e89254fe64371e9178e68511726cd95af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69aa5ff24479c1c89c2906bf8ef6e5e89254fe64371e9178e68511726cd95af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69aa5ff24479c1c89c2906bf8ef6e5e89254fe64371e9178e68511726cd95af1", kill_on_drop: false }`
[INFO] [stdout] 69aa5ff24479c1c89c2906bf8ef6e5e89254fe64371e9178e68511726cd95af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] c3bb1c73681e59f18b44dd4292d0dece03b99d112f20b9b8f52bd36c54a1f2b3
[INFO] running `Command { std: "docker" "start" "-a" "c3bb1c73681e59f18b44dd4292d0dece03b99d112f20b9b8f52bd36c54a1f2b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cairo-rs v0.1.3 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling schedule_recv v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4 (https://github.com/charlesvdv/cairo?branch=master#dcab9ce4)
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling 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: 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 24.80s
[INFO] running `Command { std: "docker" "inspect" "c3bb1c73681e59f18b44dd4292d0dece03b99d112f20b9b8f52bd36c54a1f2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bb1c73681e59f18b44dd4292d0dece03b99d112f20b9b8f52bd36c54a1f2b3", kill_on_drop: false }`
[INFO] [stdout] c3bb1c73681e59f18b44dd4292d0dece03b99d112f20b9b8f52bd36c54a1f2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a7c62ba137f610b42ad2da0edda3b13788ab4ee380a8167ea64f1a6eac0935
[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" "a3a7c62ba137f610b42ad2da0edda3b13788ab4ee380a8167ea64f1a6eac0935", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "a3a7c62ba137f610b42ad2da0edda3b13788ab4ee380a8167ea64f1a6eac0935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a7c62ba137f610b42ad2da0edda3b13788ab4ee380a8167ea64f1a6eac0935", kill_on_drop: false }`
[INFO] [stdout] a3a7c62ba137f610b42ad2da0edda3b13788ab4ee380a8167ea64f1a6eac0935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cd1fffa96d4d8b13e68d254d9678475d7e918caf8bb88984473959f8ddbbc4b
[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" "6cd1fffa96d4d8b13e68d254d9678475d7e918caf8bb88984473959f8ddbbc4b", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     loop {
[INFO] [stderr] 52 | |         gc.set_source_rgba(bg.0, bg.1, bg.2, bg.3);
[INFO] [stderr] 53 | |         gc.fill_preserve();
[INFO] [stderr] 54 | |         gc.set_source_rgba(fg.0, fg.1, fg.2, fg.3);
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |         tick.recv().unwrap();
[INFO] [stderr] 60 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 64 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `paint`
[INFO] [stderr]   --> src/x/graphics_context.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn paint(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `wait_for_exit`
[INFO] [stderr]   --> src/x/mod.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn wait_for_exit(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_clock_rs-106373b90c6c5155
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cd1fffa96d4d8b13e68d254d9678475d7e918caf8bb88984473959f8ddbbc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd1fffa96d4d8b13e68d254d9678475d7e918caf8bb88984473959f8ddbbc4b", kill_on_drop: false }`
[INFO] [stdout] 6cd1fffa96d4d8b13e68d254d9678475d7e918caf8bb88984473959f8ddbbc4b