[INFO] cloning repository https://github.com/jakobbeckmann/chans_algorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobbeckmann/chans_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fef9a303f1fd0c2b000af908aff6f956aa224784 [INFO] checking jakobbeckmann/chans_algorithm against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakobbeckmann/chans_algorithm on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] finished tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] tweaked toml for git repo https://github.com/jakobbeckmann/chans_algorithm written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jakobbeckmann/chans_algorithm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flate2 v0.2.20 [INFO] [stderr] Downloaded serde_derive v1.0.16 [INFO] [stderr] Downloaded serde-value v0.5.1 [INFO] [stderr] Downloaded serde v1.0.16 [INFO] [stderr] Downloaded log4rs v0.7.0 [INFO] [stderr] Downloaded serde_yaml v0.7.1 [INFO] [stderr] Downloaded serde_json v1.0.4 [INFO] [stderr] Downloaded serde_derive_internals v0.16.0 [INFO] [stderr] Downloaded rand v0.3.17 [INFO] [stderr] Downloaded csv-core v0.1.3 [INFO] [stderr] Downloaded cc v1.0.2 [INFO] [stderr] Downloaded miniz-sys v0.1.10 [INFO] [stderr] Downloaded csv v1.0.0-beta.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d6dc44f38794a32ca99bfaa36da1f35a76324352c952410076c8dcea67b1ef0 [INFO] running `Command { std: "docker" "start" "-a" "2d6dc44f38794a32ca99bfaa36da1f35a76324352c952410076c8dcea67b1ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d6dc44f38794a32ca99bfaa36da1f35a76324352c952410076c8dcea67b1ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d6dc44f38794a32ca99bfaa36da1f35a76324352c952410076c8dcea67b1ef0", kill_on_drop: false }` [INFO] [stdout] 2d6dc44f38794a32ca99bfaa36da1f35a76324352c952410076c8dcea67b1ef0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2fd89cb9eec7b8fba658632ec5121e8b2a798bcfc1dcf563c7a8149cb5ccb00 [INFO] running `Command { std: "docker" "start" "-a" "f2fd89cb9eec7b8fba658632ec5121e8b2a798bcfc1dcf563c7a8149cb5ccb00", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking serde v1.0.16 [INFO] [stderr] Compiling cc v1.0.2 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking humantime v1.0.0 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking csv-core v0.1.3 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Compiling serde_derive v1.0.16 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking serde_json v1.0.4 [INFO] [stderr] Checking serde-value v0.5.1 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking log4rs v0.7.0 [INFO] [stderr] Checking chan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/util/chan.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.25s [INFO] running `Command { std: "docker" "inspect" "f2fd89cb9eec7b8fba658632ec5121e8b2a798bcfc1dcf563c7a8149cb5ccb00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2fd89cb9eec7b8fba658632ec5121e8b2a798bcfc1dcf563c7a8149cb5ccb00", kill_on_drop: false }` [INFO] [stdout] f2fd89cb9eec7b8fba658632ec5121e8b2a798bcfc1dcf563c7a8149cb5ccb00