[INFO] cloning repository https://github.com/exphp-share/open-learning-opt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exphp-share/open-learning-opt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fopen-learning-opt"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fopen-learning-opt'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c569ee3305c4a44a4dcaaedf9b6043d7fa8af9d6
[INFO] checking exphp-share/open-learning-opt against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fopen-learning-opt" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exphp-share/open-learning-opt on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/exphp-share/open-learning-opt
[INFO] finished tweaking git repo https://github.com/exphp-share/open-learning-opt
[INFO] tweaked toml for git repo https://github.com/exphp-share/open-learning-opt written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/exphp-share/open-learning-opt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4fbf20f4b1eac85d396bccb7cdbd9ef21f06a7455779a189199daecd59c99e47
[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" "4fbf20f4b1eac85d396bccb7cdbd9ef21f06a7455779a189199daecd59c99e47"`
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking open_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `finished`
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let finished: Mutex<terminal_render::Type> = Mutex::new(terminal_render::Type::new(0));
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let ln = vpn.len() as f32;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lastp`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let lastp: Mutex<terminal_render::Type> = Mutex::new(terminal_render::Type::new(0));
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lastp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `finished`
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let finished: Mutex<terminal_render::Type> = Mutex::new(terminal_render::Type::new(0));
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let ln = vpn.len() as f32;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lastp`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let lastp: Mutex<terminal_render::Type> = Mutex::new(terminal_render::Type::new(0));
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lastp`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `temps_restant`
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn temps_restant(i: &Instant,p: f32) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `temps_restant`
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn temps_restant(i: &Instant,p: f32) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `"docker" "inspect" "4fbf20f4b1eac85d396bccb7cdbd9ef21f06a7455779a189199daecd59c99e47"`
[INFO] running `"docker" "rm" "-f" "4fbf20f4b1eac85d396bccb7cdbd9ef21f06a7455779a189199daecd59c99e47"`
[INFO] [stdout] 4fbf20f4b1eac85d396bccb7cdbd9ef21f06a7455779a189199daecd59c99e47