[INFO] fetching crate epub_bundler 0.1.1...
[INFO] checking epub_bundler-0.1.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate epub_bundler 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate epub_bundler 0.1.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epub_bundler 0.1.1
[INFO] finished tweaking crates.io crate epub_bundler 0.1.1
[INFO] tweaked toml for crates.io crate epub_bundler 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages
[INFO] [stderr]       Adding aho-corasick v0.7.20 (latest: v1.1.3)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding data-url v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding deflate v0.8.6 (latest: v1.0.0)
[INFO] [stderr]       Adding float-cmp v0.5.3 (latest: v0.9.0)
[INFO] [stderr]       Adding fontdb v0.3.0 (latest: v0.16.2)
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.1)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding kurbo v0.7.1 (latest: v0.11.0)
[INFO] [stderr]       Adding memmap2 v0.1.0 (latest: v0.9.4)
[INFO] [stderr]       Adding miniz_oxide v0.3.7 (latest: v0.7.2)
[INFO] [stderr]       Adding miniz_oxide v0.4.4 (latest: v0.7.2)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[INFO] [stderr]       Adding pico-args v0.3.4 (latest: v0.5.0)
[INFO] [stderr]       Adding png v0.16.8 (latest: v0.17.13)
[INFO] [stderr]       Adding rctree v0.3.3 (latest: v0.6.0)
[INFO] [stderr]       Adding resvg v0.12.0 (latest: v0.41.0)
[INFO] [stderr]       Adding roxmltree v0.13.1 (latest: v0.19.0)
[INFO] [stderr]       Adding rustybuzz v0.3.0 (latest: v0.13.0)
[INFO] [stderr]       Adding safe_arch v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding svgfilters v0.2.0 (latest: v0.4.0)
[INFO] [stderr]       Adding svgtypes v0.5.0 (latest: v0.15.0)
[INFO] [stderr]       Adding tiff v0.6.1 (latest: v0.9.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding tiny-skia v0.2.0 (latest: v0.11.4)
[INFO] [stderr]       Adding ttf-parser v0.9.0 (latest: v0.20.0)
[INFO] [stderr]       Adding unicode-bidi-mirroring v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding unicode-ccc v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding unicode-general-category v0.2.0 (latest: v0.6.0)
[INFO] [stderr]       Adding usvg v0.12.0 (latest: v0.41.0)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wide v0.6.5 (latest: v0.7.15)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v0.6.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded temp_file_name v0.1.0
[INFO] [stderr]   Downloaded epub_metadata v0.1.0
[INFO] [stderr]   Downloaded memmap2 v0.1.0
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded simplecss v0.2.1
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded svgfilters v0.2.0
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded wide v0.6.5
[INFO] [stderr]   Downloaded tiny-skia v0.2.0
[INFO] [stderr]   Downloaded bookbinder_common v0.1.1
[INFO] [stderr]   Downloaded ttf-parser v0.9.0
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded unicode-script v0.5.6
[INFO] [stderr]   Downloaded usvg v0.12.0
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded fontdb v0.3.0
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded resvg v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 137f507e647387ed4c7e74b7dd8d5d7562a8dca932d5e718462d68756353388e
[INFO] running `Command { std: "docker" "start" "-a" "137f507e647387ed4c7e74b7dd8d5d7562a8dca932d5e718462d68756353388e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137f507e647387ed4c7e74b7dd8d5d7562a8dca932d5e718462d68756353388e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137f507e647387ed4c7e74b7dd8d5d7562a8dca932d5e718462d68756353388e", kill_on_drop: false }`
[INFO] [stdout] 137f507e647387ed4c7e74b7dd8d5d7562a8dca932d5e718462d68756353388e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c56992a75d55471af08eec3d6c388594907062541fdaffbc2370bba8fd63673
[INFO] running `Command { std: "docker" "start" "-a" "3c56992a75d55471af08eec3d6c388594907062541fdaffbc2370bba8fd63673", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking unicode-script v0.5.6
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking data-url v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking temp_file_name v0.1.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking fontdb v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking tiny-skia v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking usvg v0.12.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking resvg v0.12.0
[INFO] [stderr]     Checking bookbinder_common v0.1.1
[INFO] [stderr]     Checking epub_metadata v0.1.0
[INFO] [stderr]     Checking epub_bundler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Error` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:910:9
[INFO] [stdout]     |
[INFO] [stdout] 909 |     use super::*;
[INFO] [stdout]     |         -------- the item `Error` is already imported here
[INFO] [stdout] 910 |     use std::error::Error;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(unused_imports)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `epub_bundler` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c56992a75d55471af08eec3d6c388594907062541fdaffbc2370bba8fd63673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c56992a75d55471af08eec3d6c388594907062541fdaffbc2370bba8fd63673", kill_on_drop: false }`
[INFO] [stdout] 3c56992a75d55471af08eec3d6c388594907062541fdaffbc2370bba8fd63673
