[INFO] fetching crate img_enc 0.1.2...
[INFO] checking img_enc-0.1.2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate img_enc 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate img_enc 0.1.2
[INFO] finished tweaking crates.io crate img_enc 0.1.2
[INFO] tweaked toml for crates.io crate img_enc 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate img_enc 0.1.2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate img_enc 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 890b4631abd7cd27a41bb78fbc85d5b95b2475ccd8b1b42741109a1f93e1085d
[INFO] running `Command { std: "docker" "start" "-a" "890b4631abd7cd27a41bb78fbc85d5b95b2475ccd8b1b42741109a1f93e1085d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890b4631abd7cd27a41bb78fbc85d5b95b2475ccd8b1b42741109a1f93e1085d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890b4631abd7cd27a41bb78fbc85d5b95b2475ccd8b1b42741109a1f93e1085d", kill_on_drop: false }`
[INFO] [stdout] 890b4631abd7cd27a41bb78fbc85d5b95b2475ccd8b1b42741109a1f93e1085d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5519895a8cb18f179a43d484636c4f210dae37238ed677445b1c79e6e4b43be
[INFO] running `Command { std: "docker" "start" "-a" "d5519895a8cb18f179a43d484636c4f210dae37238ed677445b1c79e6e4b43be", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]     Checking exr v1.4.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]     Checking img_enc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ring::error::Unspecified`
[INFO] [stdout]  --> src/lib/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::error::Unspecified;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/lib/analysis.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/analysis.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let factor : f32 = (100.00/((c2_matrix.len() as f32 ) * 8.0)) ;
[INFO] [stdout]     |                        ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     let factor : f32 = (100.00/((c2_matrix.len() as f32 ) * 8.0)) ;
[INFO] [stdout] 129 +     let factor : f32 = 100.00/((c2_matrix.len() as f32 ) * 8.0)  ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/analysis.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let factor = (100.0/(f32::powi(255.0,2)));
[INFO] [stdout]     |                  ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -     let factor = (100.0/(f32::powi(255.0,2)));
[INFO] [stdout] 136 +     let factor = 100.0/(f32::powi(255.0,2)) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::error::Unspecified`
[INFO] [stdout]  --> src/lib/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::error::Unspecified;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/lib/analysis.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/analysis.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let factor : f32 = (100.00/((c2_matrix.len() as f32 ) * 8.0)) ;
[INFO] [stdout]     |                        ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     let factor : f32 = (100.00/((c2_matrix.len() as f32 ) * 8.0)) ;
[INFO] [stdout] 129 +     let factor : f32 = 100.00/((c2_matrix.len() as f32 ) * 8.0)  ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/analysis.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let factor = (100.0/(f32::powi(255.0,2)));
[INFO] [stdout]     |                  ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -     let factor = (100.0/(f32::powi(255.0,2)));
[INFO] [stdout] 136 +     let factor = 100.0/(f32::powi(255.0,2)) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "d5519895a8cb18f179a43d484636c4f210dae37238ed677445b1c79e6e4b43be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5519895a8cb18f179a43d484636c4f210dae37238ed677445b1c79e6e4b43be", kill_on_drop: false }`
[INFO] [stdout] d5519895a8cb18f179a43d484636c4f210dae37238ed677445b1c79e6e4b43be