[INFO] fetching crate img_enc 0.1.2...
[INFO] documenting img_enc-0.1.2 against 1.83.0 for beta-rustdoc-1.84.0-4-retry
[INFO] extracting crate img_enc 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate img_enc 0.1.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a656866ddb830f9405320a0f7c49f1630d5728011d7258125b89dee71739fe93
[INFO] running `Command { std: "docker" "start" "-a" "a656866ddb830f9405320a0f7c49f1630d5728011d7258125b89dee71739fe93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a656866ddb830f9405320a0f7c49f1630d5728011d7258125b89dee71739fe93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a656866ddb830f9405320a0f7c49f1630d5728011d7258125b89dee71739fe93", kill_on_drop: false }`
[INFO] [stdout] a656866ddb830f9405320a0f7c49f1630d5728011d7258125b89dee71739fe93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690a9a0af35000cd52e91794d88ebb79e0737049cc17af08ccbb8399b1fe8d92
[INFO] running `Command { std: "docker" "start" "-a" "690a9a0af35000cd52e91794d88ebb79e0737049cc17af08ccbb8399b1fe8d92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking flate2 v1.0.22
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
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[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking spin v0.5.2
[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] [stderr]  Documenting img_enc v0.1.2 (/opt/rustwide/workdir)
[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)]` 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)]` 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)]` 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 34.34s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/img_enc/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "690a9a0af35000cd52e91794d88ebb79e0737049cc17af08ccbb8399b1fe8d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690a9a0af35000cd52e91794d88ebb79e0737049cc17af08ccbb8399b1fe8d92", kill_on_drop: false }`
[INFO] [stdout] 690a9a0af35000cd52e91794d88ebb79e0737049cc17af08ccbb8399b1fe8d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eacafa057ad2aabadb1d71f54896c85a0118500855c1b9f285ce78f50ffe433
[INFO] running `Command { std: "docker" "start" "-a" "1eacafa057ad2aabadb1d71f54896c85a0118500855c1b9f285ce78f50ffe433", kill_on_drop: false }`
[INFO] [stderr]  Documenting img_enc v0.1.2 (/opt/rustwide/workdir)
[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)]` 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 1.02s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/img_enc/index.html
[INFO] running `Command { std: "docker" "inspect" "1eacafa057ad2aabadb1d71f54896c85a0118500855c1b9f285ce78f50ffe433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eacafa057ad2aabadb1d71f54896c85a0118500855c1b9f285ce78f50ffe433", kill_on_drop: false }`
[INFO] [stdout] 1eacafa057ad2aabadb1d71f54896c85a0118500855c1b9f285ce78f50ffe433