Dec 11 16:39:58.975 INFO checking jakobbeckmann/chans_algorithm against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:39:58.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:39:59.496 INFO [stdout] 5335afadfdb63bcc71e3b1f8aa6cdf24158201f396f066878a3c6c501cc27aa4
Dec 11 16:39:59.498 INFO running `"docker" "start" "-a" "5335afadfdb63bcc71e3b1f8aa6cdf24158201f396f066878a3c6c501cc27aa4"`
Dec 11 16:40:01.660 INFO [stderr] usermod: no changes
Dec 11 16:40:01.876 INFO [stderr]     Checking humantime v1.0.0
Dec 11 16:40:01.884 INFO [stderr]     Checking ordered-float v0.5.0
Dec 11 16:40:01.895 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 11 16:40:01.895 INFO [stderr]     Checking chrono v0.3.0
Dec 11 16:40:03.498 INFO [stderr]     Checking serde-value v0.5.1
Dec 11 16:40:06.357 INFO [stderr]     Checking log4rs v0.7.0
Dec 11 16:40:09.041 INFO [stderr]     Checking chan v0.1.0 (/source)
Dec 11 16:40:11.712 INFO [stderr] warning: unused import: `super::*`
Dec 11 16:40:11.712 INFO [stderr]    --> src/util/chan.rs:147:9
Dec 11 16:40:11.712 INFO [stderr]     |
Dec 11 16:40:11.712 INFO [stderr] 147 |     use super::*;
Dec 11 16:40:11.712 INFO [stderr]     |         ^^^^^^^^
Dec 11 16:40:11.712 INFO [stderr]     |
Dec 11 16:40:11.712 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 16:40:11.712 INFO [stderr] 
Dec 11 16:40:11.998 INFO [stderr] warning: unused variable: `idx`
Dec 11 16:40:11.998 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 11 16:40:11.998 INFO [stderr]    |
Dec 11 16:40:11.998 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 11 16:40:11.998 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 11 16:40:11.998 INFO [stderr]    |
Dec 11 16:40:12.004 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:40:12.004 INFO [stderr] 
Dec 11 16:40:12.136 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.137 INFO [stderr]   --> src/io.rs:74:5
Dec 11 16:40:12.137 INFO [stderr]    |
Dec 11 16:40:12.137 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 11 16:40:12.137 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.140 INFO [stderr]    |
Dec 11 16:40:12.140 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 16:40:12.140 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.140 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 11 16:40:12.140 INFO [stderr] 
Dec 11 16:40:12.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.141 INFO [stderr]   --> src/io.rs:84:13
Dec 11 16:40:12.141 INFO [stderr]    |
Dec 11 16:40:12.141 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 11 16:40:12.141 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.141 INFO [stderr]    |
Dec 11 16:40:12.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.141 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 11 16:40:12.141 INFO [stderr] 
Dec 11 16:40:12.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.142 INFO [stderr]   --> src/io.rs:98:5
Dec 11 16:40:12.142 INFO [stderr]    |
Dec 11 16:40:12.142 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 11 16:40:12.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.142 INFO [stderr]    |
Dec 11 16:40:12.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.142 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 11 16:40:12.142 INFO [stderr] 
Dec 11 16:40:12.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.142 INFO [stderr]    --> src/io.rs:100:9
Dec 11 16:40:12.142 INFO [stderr]     |
Dec 11 16:40:12.142 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 11 16:40:12.142 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.142 INFO [stderr]     |
Dec 11 16:40:12.142 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.142 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 11 16:40:12.142 INFO [stderr] 
Dec 11 16:40:12.295 INFO [stderr] warning: unused variable: `idx`
Dec 11 16:40:12.295 INFO [stderr]   --> src/util/chan.rs:30:9
Dec 11 16:40:12.295 INFO [stderr]    |
Dec 11 16:40:12.295 INFO [stderr] 30 |     for idx in 0..parallelism {
Dec 11 16:40:12.295 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Dec 11 16:40:12.295 INFO [stderr]    |
Dec 11 16:40:12.295 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:40:12.295 INFO [stderr] 
Dec 11 16:40:12.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.340 INFO [stderr]   --> src/io.rs:74:5
Dec 11 16:40:12.340 INFO [stderr]    |
Dec 11 16:40:12.340 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Dec 11 16:40:12.340 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.340 INFO [stderr]    |
Dec 11 16:40:12.340 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 16:40:12.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.340 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 11 16:40:12.340 INFO [stderr] 
Dec 11 16:40:12.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.340 INFO [stderr]   --> src/io.rs:84:13
Dec 11 16:40:12.340 INFO [stderr]    |
Dec 11 16:40:12.340 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Dec 11 16:40:12.340 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.340 INFO [stderr]    |
Dec 11 16:40:12.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.340 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 11 16:40:12.340 INFO [stderr] 
Dec 11 16:40:12.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.340 INFO [stderr]   --> src/io.rs:98:5
Dec 11 16:40:12.341 INFO [stderr]    |
Dec 11 16:40:12.341 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Dec 11 16:40:12.341 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.341 INFO [stderr]    |
Dec 11 16:40:12.341 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.341 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 11 16:40:12.341 INFO [stderr] 
Dec 11 16:40:12.341 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:40:12.342 INFO [stderr]    --> src/io.rs:100:9
Dec 11 16:40:12.342 INFO [stderr]     |
Dec 11 16:40:12.342 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Dec 11 16:40:12.342 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:40:12.342 INFO [stderr]     |
Dec 11 16:40:12.342 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:40:12.343 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 11 16:40:12.343 INFO [stderr] 
Dec 11 16:40:15.251 INFO [stderr] warning: value assigned to `hull` is never read
Dec 11 16:40:15.251 INFO [stderr]   --> src/main.rs:36:13
Dec 11 16:40:15.251 INFO [stderr]    |
Dec 11 16:40:15.251 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 11 16:40:15.251 INFO [stderr]    |             ^^^^
Dec 11 16:40:15.251 INFO [stderr]    |
Dec 11 16:40:15.251 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 16:40:15.251 INFO [stderr] 
Dec 11 16:40:15.552 INFO [stderr] warning: value assigned to `hull` is never read
Dec 11 16:40:15.552 INFO [stderr]   --> src/main.rs:36:13
Dec 11 16:40:15.552 INFO [stderr]    |
Dec 11 16:40:15.552 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Dec 11 16:40:15.552 INFO [stderr]    |             ^^^^
Dec 11 16:40:15.552 INFO [stderr]    |
Dec 11 16:40:15.552 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 16:40:15.552 INFO [stderr] 
Dec 11 16:40:15.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
Dec 11 16:40:15.619 INFO [stderr] su: No module specific data is present
Dec 11 16:40:16.732 INFO running `"docker" "inspect" "5335afadfdb63bcc71e3b1f8aa6cdf24158201f396f066878a3c6c501cc27aa4"`
Dec 11 16:40:17.026 INFO running `"docker" "rm" "-f" "5335afadfdb63bcc71e3b1f8aa6cdf24158201f396f066878a3c6c501cc27aa4"`
Dec 11 16:40:17.400 INFO [stdout] 5335afadfdb63bcc71e3b1f8aa6cdf24158201f396f066878a3c6c501cc27aa4