Nov 28 03:37:30.450 INFO checking jakobbeckmann/chans_algorithm against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:37:30.451 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 03:37:30.955 INFO [stdout] 9a4a28825c2481a138cf6a08b9851f32140ad1c03d8f9ba5a2968f13a647a153
Nov 28 03:37:30.958 INFO running `"docker" "start" "-a" "9a4a28825c2481a138cf6a08b9851f32140ad1c03d8f9ba5a2968f13a647a153"`
Nov 28 03:37:32.328 INFO [stderr] usermod: no changes
Nov 28 03:37:32.538 INFO [stderr]    Compiling cc v1.0.2
Nov 28 03:37:32.542 INFO [stderr]     Checking memchr v1.0.2
Nov 28 03:37:32.562 INFO [stderr]     Checking serde_json v1.0.4
Nov 28 03:37:32.562 INFO [stderr]     Checking humantime v1.0.0
Nov 28 03:37:32.563 INFO [stderr]     Checking ordered-float v0.5.0
Nov 28 03:37:32.564 INFO [stderr]     Checking serde_yaml v0.7.1
Nov 28 03:37:32.564 INFO [stderr]     Checking chrono v0.3.0
Nov 28 03:37:33.420 INFO [stderr]     Checking csv-core v0.1.3
Nov 28 03:37:35.008 INFO [stderr]     Checking serde-value v0.5.1
Nov 28 03:37:36.097 INFO [stderr]     Checking csv v1.0.0-beta.5
Nov 28 03:37:43.588 INFO [stderr]    Compiling miniz-sys v0.1.10
Nov 28 03:37:46.190 INFO [stderr]     Checking flate2 v0.2.20
Nov 28 03:37:47.429 INFO [stderr]     Checking log4rs v0.7.0
Nov 28 03:37:50.156 INFO [stderr]     Checking chan v0.1.0 (/source)
Nov 28 03:37:53.204 INFO [stderr] warning: unused import: `super::*`
Nov 28 03:37:53.204 INFO [stderr]    --> src/util/chan.rs:147:9
Nov 28 03:37:53.204 INFO [stderr]     |
Nov 28 03:37:53.204 INFO [stderr] 147 |     use super::*;
Nov 28 03:37:53.204 INFO [stderr]     |         ^^^^^^^^
Nov 28 03:37:53.204 INFO [stderr]     |
Nov 28 03:37:53.204 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 28 03:37:53.204 INFO [stderr] 
Nov 28 03:37:53.372 INFO [stderr] warning: unused variable: `idx`
Nov 28 03:37:53.372 INFO [stderr]   --> src/util/chan.rs:30:9
Nov 28 03:37:53.372 INFO [stderr]    |
Nov 28 03:37:53.372 INFO [stderr] 30 |     for idx in 0..parallelism {
Nov 28 03:37:53.372 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Nov 28 03:37:53.372 INFO [stderr]    |
Nov 28 03:37:53.372 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:37:53.372 INFO [stderr] 
Nov 28 03:37:53.419 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.419 INFO [stderr]   --> src/io.rs:74:5
Nov 28 03:37:53.419 INFO [stderr]    |
Nov 28 03:37:53.419 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Nov 28 03:37:53.419 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.420 INFO [stderr]    |
Nov 28 03:37:53.420 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 03:37:53.420 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.420 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)
Nov 28 03:37:53.420 INFO [stderr] 
Nov 28 03:37:53.420 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.420 INFO [stderr]   --> src/io.rs:84:13
Nov 28 03:37:53.420 INFO [stderr]    |
Nov 28 03:37:53.420 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Nov 28 03:37:53.420 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.420 INFO [stderr]    |
Nov 28 03:37:53.420 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.420 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)
Nov 28 03:37:53.420 INFO [stderr] 
Nov 28 03:37:53.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.424 INFO [stderr]   --> src/io.rs:98:5
Nov 28 03:37:53.424 INFO [stderr]    |
Nov 28 03:37:53.424 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Nov 28 03:37:53.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.424 INFO [stderr]    |
Nov 28 03:37:53.424 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.424 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)
Nov 28 03:37:53.424 INFO [stderr] 
Nov 28 03:37:53.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.424 INFO [stderr]    --> src/io.rs:100:9
Nov 28 03:37:53.424 INFO [stderr]     |
Nov 28 03:37:53.424 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Nov 28 03:37:53.424 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.424 INFO [stderr]     |
Nov 28 03:37:53.424 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.424 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)
Nov 28 03:37:53.424 INFO [stderr] 
Nov 28 03:37:53.504 INFO [stderr] warning: unused variable: `idx`
Nov 28 03:37:53.504 INFO [stderr]   --> src/util/chan.rs:30:9
Nov 28 03:37:53.504 INFO [stderr]    |
Nov 28 03:37:53.504 INFO [stderr] 30 |     for idx in 0..parallelism {
Nov 28 03:37:53.504 INFO [stderr]    |         ^^^ help: consider using `_idx` instead
Nov 28 03:37:53.504 INFO [stderr]    |
Nov 28 03:37:53.504 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 03:37:53.504 INFO [stderr] 
Nov 28 03:37:53.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.548 INFO [stderr]   --> src/io.rs:74:5
Nov 28 03:37:53.548 INFO [stderr]    |
Nov 28 03:37:53.548 INFO [stderr] 74 |     writeln!(file, "{},{}", "x value", "y value");
Nov 28 03:37:53.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.548 INFO [stderr]    |
Nov 28 03:37:53.548 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 03:37:53.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.548 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)
Nov 28 03:37:53.548 INFO [stderr] 
Nov 28 03:37:53.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.549 INFO [stderr]   --> src/io.rs:84:13
Nov 28 03:37:53.549 INFO [stderr]    |
Nov 28 03:37:53.549 INFO [stderr] 84 |             writeln!(file, "{},{}", x, y);
Nov 28 03:37:53.549 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.549 INFO [stderr]    |
Nov 28 03:37:53.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.549 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)
Nov 28 03:37:53.549 INFO [stderr] 
Nov 28 03:37:53.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.549 INFO [stderr]   --> src/io.rs:98:5
Nov 28 03:37:53.549 INFO [stderr]    |
Nov 28 03:37:53.549 INFO [stderr] 98 |     writeln!(file, "{},{}", "x value", "y value");
Nov 28 03:37:53.549 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.549 INFO [stderr]    |
Nov 28 03:37:53.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.549 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)
Nov 28 03:37:53.549 INFO [stderr] 
Nov 28 03:37:53.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:37:53.549 INFO [stderr]    --> src/io.rs:100:9
Nov 28 03:37:53.549 INFO [stderr]     |
Nov 28 03:37:53.549 INFO [stderr] 100 |         writeln!(file, "{},{}", point.x, point.y);
Nov 28 03:37:53.549 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:37:53.549 INFO [stderr]     |
Nov 28 03:37:53.549 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:37:53.549 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)
Nov 28 03:37:53.549 INFO [stderr] 
Nov 28 03:37:56.052 INFO [stderr] warning: value assigned to `hull` is never read
Nov 28 03:37:56.052 INFO [stderr]   --> src/main.rs:36:13
Nov 28 03:37:56.052 INFO [stderr]    |
Nov 28 03:37:56.052 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Nov 28 03:37:56.052 INFO [stderr]    |             ^^^^
Nov 28 03:37:56.052 INFO [stderr]    |
Nov 28 03:37:56.052 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:37:56.052 INFO [stderr] 
Nov 28 03:37:56.060 INFO [stderr] warning: value assigned to `hull` is never read
Nov 28 03:37:56.060 INFO [stderr]   --> src/main.rs:36:13
Nov 28 03:37:56.060 INFO [stderr]    |
Nov 28 03:37:56.060 INFO [stderr] 36 |     let mut hull: Vec<Point> = Vec::with_capacity(1_000_000);   // TODO: this could be made smaller maybe
Nov 28 03:37:56.060 INFO [stderr]    |             ^^^^
Nov 28 03:37:56.060 INFO [stderr]    |
Nov 28 03:37:56.060 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 03:37:56.060 INFO [stderr] 
Nov 28 03:37:56.132 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
Nov 28 03:37:56.144 INFO [stderr] su: No module specific data is present
Nov 28 03:37:56.938 INFO running `"docker" "inspect" "9a4a28825c2481a138cf6a08b9851f32140ad1c03d8f9ba5a2968f13a647a153"`
Nov 28 03:37:57.253 INFO running `"docker" "rm" "-f" "9a4a28825c2481a138cf6a08b9851f32140ad1c03d8f9ba5a2968f13a647a153"`
Nov 28 03:37:57.520 INFO [stdout] 9a4a28825c2481a138cf6a08b9851f32140ad1c03d8f9ba5a2968f13a647a153