Dec 19 15:27:14.289 INFO checking jakobbeckmann/chans_algorithm against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:27:14.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:27:14.766 INFO [stdout] dd4e12c6780d234eb48ed0e51ba7b62add44968da60db251cffb280f10219f70
Dec 19 15:27:14.766 INFO running `"docker" "start" "-a" "dd4e12c6780d234eb48ed0e51ba7b62add44968da60db251cffb280f10219f70"`
Dec 19 15:27:17.064 INFO [stderr]     Checking serde_json v1.0.4
Dec 19 15:27:17.064 INFO [stderr]     Checking humantime v1.0.0
Dec 19 15:27:17.064 INFO [stderr]     Checking csv-core v0.1.3
Dec 19 15:27:17.072 INFO [stderr]     Checking ordered-float v0.5.0
Dec 19 15:27:17.072 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 19 15:27:17.072 INFO [stderr]     Checking chrono v0.3.0
Dec 19 15:27:17.677 INFO [stderr]     Checking serde-value v0.5.1
Dec 19 15:27:19.287 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 15:27:22.860 INFO [stderr]     Checking log4rs v0.7.0
Dec 19 15:27:24.974 INFO [stderr]     Checking chan v0.1.0 (/opt/crater/workdir)
Dec 19 15:27:26.972 INFO [stderr] warning: unused import: `super::*`
Dec 19 15:27:26.972 INFO [stderr]    --> src/util/chan.rs:147:9
Dec 19 15:27:26.972 INFO [stderr]     |
Dec 19 15:27:26.972 INFO [stderr] 147 |     use super::*;
Dec 19 15:27:26.972 INFO [stderr]     |         ^^^^^^^^
Dec 19 15:27:26.972 INFO [stderr]     |
Dec 19 15:27:26.972 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 19 15:27:26.972 INFO [stderr] 
Dec 19 15:27:27.157 INFO [stderr] warning: unused variable: `idx`
Dec 19 15:27:27.157 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 19 15:27:27.157 INFO [stderr]    |
Dec 19 15:27:27.157 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 19 15:27:27.157 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 19 15:27:27.157 INFO [stderr]    |
Dec 19 15:27:27.157 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:27.157 INFO [stderr] 
Dec 19 15:27:27.184 INFO [stderr] warning: unused variable: `idx`
Dec 19 15:27:27.184 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 19 15:27:27.184 INFO [stderr]    |
Dec 19 15:27:27.184 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 19 15:27:27.184 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 19 15:27:27.184 INFO [stderr]    |
Dec 19 15:27:27.184 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:27.184 INFO [stderr] 
Dec 19 15:27:27.204 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.204 INFO [stderr]   --> src/io.rs:74:5
Dec 19 15:27:27.204 INFO [stderr]    |
Dec 19 15:27:27.204 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 19 15:27:27.204 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.204 INFO [stderr]    |
Dec 19 15:27:27.204 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:27:27.204 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.204 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 19 15:27:27.205 INFO [stderr] 
Dec 19 15:27:27.205 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.205 INFO [stderr]   --> src/io.rs:84:13
Dec 19 15:27:27.205 INFO [stderr]    |
Dec 19 15:27:27.205 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 19 15:27:27.205 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.205 INFO [stderr]    |
Dec 19 15:27:27.205 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.205 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 19 15:27:27.205 INFO [stderr] 
Dec 19 15:27:27.205 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.205 INFO [stderr]   --> src/io.rs:98:5
Dec 19 15:27:27.205 INFO [stderr]    |
Dec 19 15:27:27.205 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 19 15:27:27.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.205 INFO [stderr]    |
Dec 19 15:27:27.205 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.205 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 19 15:27:27.205 INFO [stderr] 
Dec 19 15:27:27.205 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.205 INFO [stderr]    --> src/io.rs:100:9
Dec 19 15:27:27.205 INFO [stderr]     |
Dec 19 15:27:27.205 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 19 15:27:27.205 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.205 INFO [stderr]     |
Dec 19 15:27:27.205 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.205 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 19 15:27:27.205 INFO [stderr] 
Dec 19 15:27:27.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.240 INFO [stderr]   --> src/io.rs:74:5
Dec 19 15:27:27.240 INFO [stderr]    |
Dec 19 15:27:27.240 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 19 15:27:27.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.240 INFO [stderr]    |
Dec 19 15:27:27.240 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:27:27.240 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.240 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 19 15:27:27.240 INFO [stderr] 
Dec 19 15:27:27.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.240 INFO [stderr]   --> src/io.rs:84:13
Dec 19 15:27:27.240 INFO [stderr]    |
Dec 19 15:27:27.240 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 19 15:27:27.240 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.240 INFO [stderr]    |
Dec 19 15:27:27.240 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.240 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 19 15:27:27.240 INFO [stderr] 
Dec 19 15:27:27.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.241 INFO [stderr]   --> src/io.rs:98:5
Dec 19 15:27:27.241 INFO [stderr]    |
Dec 19 15:27:27.241 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 19 15:27:27.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.241 INFO [stderr]    |
Dec 19 15:27:27.241 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.241 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 19 15:27:27.241 INFO [stderr] 
Dec 19 15:27:27.241 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:27:27.241 INFO [stderr]    --> src/io.rs:100:9
Dec 19 15:27:27.241 INFO [stderr]     |
Dec 19 15:27:27.241 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 19 15:27:27.241 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:27.241 INFO [stderr]     |
Dec 19 15:27:27.241 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:27:27.241 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 19 15:27:27.241 INFO [stderr] 
Dec 19 15:27:28.138 INFO [stderr] warning: value assigned to `hull` is never read
Dec 19 15:27:28.138 INFO [stderr]   --> src/main.rs:36:13
Dec 19 15:27:28.138 INFO [stderr]    |
Dec 19 15:27:28.139 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 19 15:27:28.139 INFO [stderr]    |             ^^^^
Dec 19 15:27:28.139 INFO [stderr]    |
Dec 19 15:27:28.139 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 15:27:28.139 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 15:27:28.139 INFO [stderr] 
Dec 19 15:27:28.221 INFO [stderr] warning: value assigned to `hull` is never read
Dec 19 15:27:28.221 INFO [stderr]   --> src/main.rs:36:13
Dec 19 15:27:28.221 INFO [stderr]    |
Dec 19 15:27:28.221 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 19 15:27:28.221 INFO [stderr]    |             ^^^^
Dec 19 15:27:28.221 INFO [stderr]    |
Dec 19 15:27:28.221 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 15:27:28.221 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 15:27:28.221 INFO [stderr] 
Dec 19 15:27:28.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.37s
Dec 19 15:27:28.862 INFO running `"docker" "inspect" "dd4e12c6780d234eb48ed0e51ba7b62add44968da60db251cffb280f10219f70"`
Dec 19 15:27:29.162 INFO running `"docker" "rm" "-f" "dd4e12c6780d234eb48ed0e51ba7b62add44968da60db251cffb280f10219f70"`
Dec 19 15:27:29.480 INFO [stdout] dd4e12c6780d234eb48ed0e51ba7b62add44968da60db251cffb280f10219f70