[INFO] cloning repository https://github.com/exphp-share/open-learning-opt [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fopen-learning-opt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c569ee3305c4a44a4dcaaedf9b6043d7fa8af9d6 [INFO] checking exphp-share/open-learning-opt against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fopen-learning-opt" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/exphp-share/open-learning-opt on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker [INFO] [stderr] warning: unused manifest key: toolchain [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fa82a5c71211a4452cf198e5525a5d5440315c8b888360ebcf777c091a40cd5 [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" "3fa82a5c71211a4452cf198e5525a5d5440315c8b888360ebcf777c091a40cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fa82a5c71211a4452cf198e5525a5d5440315c8b888360ebcf777c091a40cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fa82a5c71211a4452cf198e5525a5d5440315c8b888360ebcf777c091a40cd5", kill_on_drop: false }` [INFO] [stdout] 3fa82a5c71211a4452cf198e5525a5d5440315c8b888360ebcf777c091a40cd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 334f49652bd5ae884db89603d4ea732e39e38ed5dfb8ab4e9ae22d2c482382a2 [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" "334f49652bd5ae884db89603d4ea732e39e38ed5dfb8ab4e9ae22d2c482382a2", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker [INFO] [stderr] warning: unused manifest key: toolchain [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Checking either v1.5.2 [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-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [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] Checking rayon v1.1.0 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Checking open_learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `finished` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let finished: Mutex = Mutex::new(terminal_render::Type::new(0)); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ln` [INFO] [stdout] --> src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let ln = vpn.len() as f32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ln` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lastp` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let lastp: Mutex = Mutex::new(terminal_render::Type::new(0)); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lastp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `temps_restant` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn temps_restant(i: &Instant,p: f32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `finished` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let finished: Mutex = Mutex::new(terminal_render::Type::new(0)); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ln` [INFO] [stdout] --> src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let ln = vpn.len() as f32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ln` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lastp` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let lastp: Mutex = Mutex::new(terminal_render::Type::new(0)); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lastp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `temps_restant` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn temps_restant(i: &Instant,p: f32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.23s [INFO] running `Command { std: "docker" "inspect" "334f49652bd5ae884db89603d4ea732e39e38ed5dfb8ab4e9ae22d2c482382a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "334f49652bd5ae884db89603d4ea732e39e38ed5dfb8ab4e9ae22d2c482382a2", kill_on_drop: false }` [INFO] [stdout] 334f49652bd5ae884db89603d4ea732e39e38ed5dfb8ab4e9ae22d2c482382a2