[INFO] fetching crate img_enc 0.1.2...
[INFO] checking img_enc-0.1.2 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[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 a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31
[INFO] running `Command { std: "docker" "start" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling rayon v1.5.1
[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 spin v0.9.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.1
[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] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/test.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 10 -     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout] 10 +     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena");
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 10 -     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout] 10 +     compose_image(encrypted_blocks.0.clone(), w, h, <&str as Into<_>>::into("encrypted_lena"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/test.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 13 -     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout] 13 +     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 13 -     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout] 13 +     compose_image(decrypted_blocks.clone(), w, h, <&str as Into<_>>::into("decrypted_lena"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img_enc` (bin "test" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/test.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 10 -     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout] 10 +     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena");
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 10 -     compose_image(encrypted_blocks.0.clone(), w, h, "encrypted_lena".into());
[INFO] [stdout] 10 +     compose_image(encrypted_blocks.0.clone(), w, h, <&str as Into<_>>::into("encrypted_lena"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/test.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 13 -     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout] 13 +     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 13 -     compose_image(decrypted_blocks.clone(), w, h, "decrypted_lena".into())
[INFO] [stdout] 13 +     compose_image(decrypted_blocks.clone(), w, h, <&str as Into<_>>::into("decrypted_lena"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img_enc` (bin "test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31", kill_on_drop: false }`
[INFO] [stdout] abcb531e1c4588e7db474c79b7c9c445e28dfd5425b26c42b04b2ed373c66b31
