[INFO] fetching crate ebook 0.1.2...
[INFO] checking ebook-0.1.2 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] extracting crate ebook 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ebook 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ebook 0.1.2
[INFO] tweaked toml for crates.io crate ebook 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ebook 0.1.2 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ebook 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95130cee8583ddc2c30d1ddbcda8f34fad153fd71b8853ae3840031887f7d0ed
[INFO] running `Command { std: "docker" "start" "-a" "95130cee8583ddc2c30d1ddbcda8f34fad153fd71b8853ae3840031887f7d0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95130cee8583ddc2c30d1ddbcda8f34fad153fd71b8853ae3840031887f7d0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95130cee8583ddc2c30d1ddbcda8f34fad153fd71b8853ae3840031887f7d0ed", kill_on_drop: false }`
[INFO] [stdout] 95130cee8583ddc2c30d1ddbcda8f34fad153fd71b8853ae3840031887f7d0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d71d54358eccb4252f26bfe61fc902f4d72516c0ecb90a33374dc9c034dd75
[INFO] running `Command { std: "docker" "start" "-a" "83d71d54358eccb4252f26bfe61fc902f4d72516c0ecb90a33374dc9c034dd75", kill_on_drop: false }`
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[INFO] [stderr]     Checking ebook v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> tests/epub_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:670:34
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 if savings > 0 { (savings as f64 / 1024.0 / 1024.0) } else { 0.0 }
[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] 670 -                 if savings > 0 { (savings as f64 / 1024.0 / 1024.0) } else { 0.0 }
[INFO] [stdout] 670 +                 if savings > 0 { savings as f64 / 1024.0 / 1024.0  } else { 0.0 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/epub_tests.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     assert!(content.len() >= 0, "Content should be readable");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tests/azw_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/epub_tests.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     assert!(toc.len() >= 0, "TOC should be readable");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/azw_tests.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |     assert!(toc.len() >= 0);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PdfHandler` and `TxtHandler`
[INFO] [stdout]  --> benches/format_benchmarks.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ebook::formats::{EpubHandler, CbzHandler, TxtHandler, PdfHandler};
[INFO] [stdout]   |                                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/mobi_tests.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     assert!(toc.len() >= 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/mobi_tests.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     assert!(content.len() >= 0);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:670:34
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 if savings > 0 { (savings as f64 / 1024.0 / 1024.0) } else { 0.0 }
[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] 670 -                 if savings > 0 { (savings as f64 / 1024.0 / 1024.0) } else { 0.0 }
[INFO] [stdout] 670 +                 if savings > 0 { savings as f64 / 1024.0 / 1024.0  } else { 0.0 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/pdf_tests.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     assert!(content.len() >= 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/image_optimization_tests.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |     assert!(savings_high >= 0);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "83d71d54358eccb4252f26bfe61fc902f4d72516c0ecb90a33374dc9c034dd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d71d54358eccb4252f26bfe61fc902f4d72516c0ecb90a33374dc9c034dd75", kill_on_drop: false }`
[INFO] [stdout] 83d71d54358eccb4252f26bfe61fc902f4d72516c0ecb90a33374dc9c034dd75
