Dec 17 22:35:56.175 INFO checking jakobbeckmann/chans_algorithm against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:35:56.175 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jakobbeckmann/chans_algorithm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:35:56.578 INFO [stdout] 81214c35b50e1fe517eac9992494debe3c776cb41ecf0fb651cc41a847911a4e
Dec 17 22:35:56.580 INFO running `"docker" "start" "-a" "81214c35b50e1fe517eac9992494debe3c776cb41ecf0fb651cc41a847911a4e"`
Dec 17 22:35:58.560 INFO [stderr]    Compiling cc v1.0.2
Dec 17 22:35:58.566 INFO [stderr]     Checking humantime v1.0.0
Dec 17 22:35:58.566 INFO [stderr]     Checking serde_json v1.0.4
Dec 17 22:35:58.568 INFO [stderr]     Checking ordered-float v0.5.0
Dec 17 22:35:58.568 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 17 22:35:58.568 INFO [stderr]     Checking chrono v0.3.0
Dec 17 22:36:00.312 INFO [stderr]     Checking serde-value v0.5.1
Dec 17 22:36:04.497 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 22:36:07.487 INFO [stderr]     Checking flate2 v0.2.20
Dec 17 22:36:08.519 INFO [stderr]     Checking log4rs v0.7.0
Dec 17 22:36:10.548 INFO [stderr]     Checking chan v0.1.0 (/opt/crater/workdir)
Dec 17 22:36:12.472 INFO [stderr] warning: unused import: `super::*`
Dec 17 22:36:12.472 INFO [stderr]    --> src/util/chan.rs:147:9
Dec 17 22:36:12.472 INFO [stderr]     |
Dec 17 22:36:12.472 INFO [stderr] 147 |     use super::*;
Dec 17 22:36:12.472 INFO [stderr]     |         ^^^^^^^^
Dec 17 22:36:12.480 INFO [stderr]     |
Dec 17 22:36:12.480 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 17 22:36:12.480 INFO [stderr] 
Dec 17 22:36:12.745 INFO [stderr] warning: unused variable: `idx`
Dec 17 22:36:12.745 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 17 22:36:12.745 INFO [stderr]    |
Dec 17 22:36:12.746 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 17 22:36:12.752 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 17 22:36:12.753 INFO [stderr]    |
Dec 17 22:36:12.753 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:36:12.753 INFO [stderr] 
Dec 17 22:36:12.816 INFO [stderr] warning: unused variable: `idx`
Dec 17 22:36:12.816 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 17 22:36:12.816 INFO [stderr]    |
Dec 17 22:36:12.816 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 17 22:36:12.816 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 17 22:36:12.817 INFO [stderr]    |
Dec 17 22:36:12.817 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:36:12.817 INFO [stderr] 
Dec 17 22:36:12.844 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.844 INFO [stderr]   --> src/io.rs:74:5
Dec 17 22:36:12.845 INFO [stderr]    |
Dec 17 22:36:12.845 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 17 22:36:12.845 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.845 INFO [stderr]    |
Dec 17 22:36:12.846 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:36:12.846 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.846 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.847 INFO [stderr] 
Dec 17 22:36:12.847 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.847 INFO [stderr]   --> src/io.rs:84:13
Dec 17 22:36:12.847 INFO [stderr]    |
Dec 17 22:36:12.847 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 17 22:36:12.847 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.847 INFO [stderr]    |
Dec 17 22:36:12.848 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.848 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.848 INFO [stderr] 
Dec 17 22:36:12.848 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.848 INFO [stderr]   --> src/io.rs:98:5
Dec 17 22:36:12.849 INFO [stderr]    |
Dec 17 22:36:12.849 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 17 22:36:12.849 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.849 INFO [stderr]    |
Dec 17 22:36:12.849 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.849 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.849 INFO [stderr] 
Dec 17 22:36:12.850 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.850 INFO [stderr]    --> src/io.rs:100:9
Dec 17 22:36:12.850 INFO [stderr]     |
Dec 17 22:36:12.850 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 17 22:36:12.850 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.850 INFO [stderr]     |
Dec 17 22:36:12.856 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.856 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.856 INFO [stderr] 
Dec 17 22:36:12.955 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.955 INFO [stderr]   --> src/io.rs:74:5
Dec 17 22:36:12.955 INFO [stderr]    |
Dec 17 22:36:12.955 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 17 22:36:12.955 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.955 INFO [stderr]    |
Dec 17 22:36:12.955 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:36:12.955 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.955 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.955 INFO [stderr] 
Dec 17 22:36:12.955 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.955 INFO [stderr]   --> src/io.rs:84:13
Dec 17 22:36:12.955 INFO [stderr]    |
Dec 17 22:36:12.955 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 17 22:36:12.955 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.955 INFO [stderr]    |
Dec 17 22:36:12.955 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.955 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.955 INFO [stderr] 
Dec 17 22:36:12.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.956 INFO [stderr]   --> src/io.rs:98:5
Dec 17 22:36:12.956 INFO [stderr]    |
Dec 17 22:36:12.956 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 17 22:36:12.956 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.956 INFO [stderr]    |
Dec 17 22:36:12.956 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.956 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.956 INFO [stderr] 
Dec 17 22:36:12.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:36:12.956 INFO [stderr]    --> src/io.rs:100:9
Dec 17 22:36:12.956 INFO [stderr]     |
Dec 17 22:36:12.956 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 17 22:36:12.956 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:36:12.956 INFO [stderr]     |
Dec 17 22:36:12.956 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:36:12.956 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 22:36:12.956 INFO [stderr] 
Dec 17 22:36:14.072 INFO [stderr] warning: value assigned to `hull` is never read
Dec 17 22:36:14.072 INFO [stderr]   --> src/main.rs:36:13
Dec 17 22:36:14.072 INFO [stderr]    |
Dec 17 22:36:14.072 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 17 22:36:14.072 INFO [stderr]    |             ^^^^
Dec 17 22:36:14.072 INFO [stderr]    |
Dec 17 22:36:14.072 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:36:14.072 INFO [stderr] 
Dec 17 22:36:14.172 INFO [stderr] warning: value assigned to `hull` is never read
Dec 17 22:36:14.172 INFO [stderr]   --> src/main.rs:36:13
Dec 17 22:36:14.172 INFO [stderr]    |
Dec 17 22:36:14.172 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 17 22:36:14.172 INFO [stderr]    |             ^^^^
Dec 17 22:36:14.172 INFO [stderr]    |
Dec 17 22:36:14.172 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:36:14.172 INFO [stderr] 
Dec 17 22:36:14.194 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.82s
Dec 17 22:36:15.236 INFO running `"docker" "inspect" "81214c35b50e1fe517eac9992494debe3c776cb41ecf0fb651cc41a847911a4e"`
Dec 17 22:36:15.572 INFO running `"docker" "rm" "-f" "81214c35b50e1fe517eac9992494debe3c776cb41ecf0fb651cc41a847911a4e"`
Dec 17 22:36:15.953 INFO [stdout] 81214c35b50e1fe517eac9992494debe3c776cb41ecf0fb651cc41a847911a4e