Nov 17 10:15:29.045 INFO testing adolfosilva/vcrust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 10:15:29.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 10:15:29.427 INFO [stdout] 627931d7352633987e4b3ffae75115c3ed93b76697af2b56395a66eec6c5d587
Nov 17 10:15:29.430 INFO running `"docker" "start" "-a" "627931d7352633987e4b3ffae75115c3ed93b76697af2b56395a66eec6c5d587"`
Nov 17 10:15:30.475 INFO [stderr] usermod: no changes
Nov 17 10:15:30.551 INFO [stderr]    Compiling gcc v0.3.44
Nov 17 10:15:32.118 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Nov 17 10:15:32.895 INFO [stderr] warning: unused import: `std::iter::repeat`
Nov 17 10:15:32.895 INFO [stderr]  --> src/ops.rs:1:5
Nov 17 10:15:32.895 INFO [stderr]   |
Nov 17 10:15:32.895 INFO [stderr] 1 | use std::iter::repeat;
Nov 17 10:15:32.895 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 17 10:15:32.895 INFO [stderr]   |
Nov 17 10:15:32.895 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 10:15:32.895 INFO [stderr] 
Nov 17 10:15:32.895 INFO [stderr] warning: unused import: `ImageType`
Nov 17 10:15:32.895 INFO [stderr]  --> src/ops.rs:2:20
Nov 17 10:15:32.895 INFO [stderr]   |
Nov 17 10:15:32.895 INFO [stderr] 2 | use image::{Image, ImageType, Channel};
Nov 17 10:15:32.895 INFO [stderr]   |                    ^^^^^^^^^
Nov 17 10:15:32.895 INFO [stderr] 
Nov 17 10:15:33.113 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:15:33.113 INFO [stderr]    --> src/image.rs:263:13
Nov 17 10:15:33.113 INFO [stderr]     |
Nov 17 10:15:33.113 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 17 10:15:33.113 INFO [stderr]     |             ----^^^^
Nov 17 10:15:33.113 INFO [stderr]     |             |
Nov 17 10:15:33.113 INFO [stderr]     |             help: remove this `mut`
Nov 17 10:15:33.113 INFO [stderr]     |
Nov 17 10:15:33.113 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 10:15:33.113 INFO [stderr] 
Nov 17 10:15:33.131 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 17 10:15:33.131 INFO [stderr]    --> src/image.rs:295:9
Nov 17 10:15:33.131 INFO [stderr]     |
Nov 17 10:15:33.131 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 17 10:15:33.131 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:15:33.131 INFO [stderr]     |
Nov 17 10:15:33.131 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 10:15:33.131 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 17 10:15:33.131 INFO [stderr] 
Nov 17 10:15:34.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
Nov 17 10:15:34.099 INFO [stderr] su: No module specific data is present
Nov 17 10:15:35.269 INFO running `"docker" "inspect" "627931d7352633987e4b3ffae75115c3ed93b76697af2b56395a66eec6c5d587"`
Nov 17 10:15:35.637 INFO running `"docker" "rm" "-f" "627931d7352633987e4b3ffae75115c3ed93b76697af2b56395a66eec6c5d587"`
Nov 17 10:15:36.015 INFO [stdout] 627931d7352633987e4b3ffae75115c3ed93b76697af2b56395a66eec6c5d587
Nov 17 10:15:36.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 10:15:36.467 INFO [stdout] fc348ef23b3eee08790dc7cbcc54cc39b022d9d1ae39d02150ddfd1e0b22a7b4
Nov 17 10:15:36.469 INFO running `"docker" "start" "-a" "fc348ef23b3eee08790dc7cbcc54cc39b022d9d1ae39d02150ddfd1e0b22a7b4"`
Nov 17 10:15:38.387 INFO [stderr] usermod: no changes
Nov 17 10:15:38.441 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Nov 17 10:15:39.095 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:15:39.095 INFO [stderr]    --> src/image.rs:263:13
Nov 17 10:15:39.095 INFO [stderr]     |
Nov 17 10:15:39.095 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 17 10:15:39.095 INFO [stderr]     |             ----^^^^
Nov 17 10:15:39.095 INFO [stderr]     |             |
Nov 17 10:15:39.095 INFO [stderr]     |             help: remove this `mut`
Nov 17 10:15:39.095 INFO [stderr]     |
Nov 17 10:15:39.095 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 10:15:39.095 INFO [stderr] 
Nov 17 10:15:39.135 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 17 10:15:39.135 INFO [stderr]    --> src/image.rs:295:9
Nov 17 10:15:39.135 INFO [stderr]     |
Nov 17 10:15:39.135 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 17 10:15:39.135 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:15:39.135 INFO [stderr]     |
Nov 17 10:15:39.135 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 10:15:39.135 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 17 10:15:39.135 INFO [stderr] 
Nov 17 10:15:39.135 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:15:39.135 INFO [stderr]    --> src/image.rs:429:5
Nov 17 10:15:39.135 INFO [stderr]     |
Nov 17 10:15:39.135 INFO [stderr] 429 |     img.write("image/barbara2.pgm");
Nov 17 10:15:39.135 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:15:39.135 INFO [stderr]     |
Nov 17 10:15:39.135 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:15:39.135 INFO [stderr] 
Nov 17 10:15:40.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Nov 17 10:15:40.424 INFO [stderr] su: No module specific data is present
Nov 17 10:15:41.445 INFO running `"docker" "inspect" "fc348ef23b3eee08790dc7cbcc54cc39b022d9d1ae39d02150ddfd1e0b22a7b4"`
Nov 17 10:15:41.799 INFO running `"docker" "rm" "-f" "fc348ef23b3eee08790dc7cbcc54cc39b022d9d1ae39d02150ddfd1e0b22a7b4"`
Nov 17 10:15:42.126 INFO [stdout] fc348ef23b3eee08790dc7cbcc54cc39b022d9d1ae39d02150ddfd1e0b22a7b4