[INFO] fetching crate epub_bundler 0.1.1...
[INFO] checking epub_bundler-0.1.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate epub_bundler 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate epub_bundler 0.1.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded temp_file_name v0.1.0
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded ttf-parser v0.9.0
[INFO] [stderr]   Downloaded epub_metadata v0.1.0
[INFO] [stderr]   Downloaded svgfilters v0.2.0
[INFO] [stderr]   Downloaded fontdb v0.3.0
[INFO] [stderr]   Downloaded wide v0.6.5
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded tiny-skia v0.2.0
[INFO] [stderr]   Downloaded usvg v0.12.0
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded bookbinder_common v0.1.1
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded resvg v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1367821c4adf90a559197a9e3b2142ac7f9404e9e971a99688582eada710f7e
[INFO] running `Command { std: "docker" "start" "-a" "b1367821c4adf90a559197a9e3b2142ac7f9404e9e971a99688582eada710f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1367821c4adf90a559197a9e3b2142ac7f9404e9e971a99688582eada710f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1367821c4adf90a559197a9e3b2142ac7f9404e9e971a99688582eada710f7e", kill_on_drop: false }`
[INFO] [stdout] b1367821c4adf90a559197a9e3b2142ac7f9404e9e971a99688582eada710f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e2bfd79d8494893fd59411de455fcfdb1227cd93e8a7b3c82fd3e0f0f627af
[INFO] running `Command { std: "docker" "start" "-a" "64e2bfd79d8494893fd59411de455fcfdb1227cd93e8a7b3c82fd3e0f0f627af", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking unicode-script v0.5.6
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking data-url v0.1.1
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking fontdb v0.3.0
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking temp_file_name v0.1.0
[INFO] [stderr]     Checking epub_metadata v0.1.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking tiny-skia v0.2.0
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking usvg v0.12.0
[INFO] [stderr]     Checking resvg v0.12.0
[INFO] [stderr]     Checking bookbinder_common v0.1.1
[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" "64e2bfd79d8494893fd59411de455fcfdb1227cd93e8a7b3c82fd3e0f0f627af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e2bfd79d8494893fd59411de455fcfdb1227cd93e8a7b3c82fd3e0f0f627af", kill_on_drop: false }`
[INFO] [stdout] 64e2bfd79d8494893fd59411de455fcfdb1227cd93e8a7b3c82fd3e0f0f627af
[INFO] checking epub_bundler-0.1.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate epub_bundler 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate epub_bundler 0.1.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38dedd5a78abe48242393972687347e5b45e1259e254a148dfdeb017b9724fbe
[INFO] running `Command { std: "docker" "start" "-a" "38dedd5a78abe48242393972687347e5b45e1259e254a148dfdeb017b9724fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38dedd5a78abe48242393972687347e5b45e1259e254a148dfdeb017b9724fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38dedd5a78abe48242393972687347e5b45e1259e254a148dfdeb017b9724fbe", kill_on_drop: false }`
[INFO] [stdout] 38dedd5a78abe48242393972687347e5b45e1259e254a148dfdeb017b9724fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3461f800dc1e9559e8c5ec6bf379519ad0280c0a5e0d445a1ffda84ace7b9f3b
[INFO] running `Command { std: "docker" "start" "-a" "3461f800dc1e9559e8c5ec6bf379519ad0280c0a5e0d445a1ffda84ace7b9f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking unicode-script v0.5.6
[INFO] [stderr]     Checking data-url v0.1.1
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking flate2 v1.0.28
[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 fontdb v0.3.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking temp_file_name v0.1.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking epub_metadata v0.1.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking tiny-skia v0.2.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking usvg v0.12.0
[INFO] [stderr]     Checking resvg v0.12.0
[INFO] [stderr]     Checking bookbinder_common v0.1.1
[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" "3461f800dc1e9559e8c5ec6bf379519ad0280c0a5e0d445a1ffda84ace7b9f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3461f800dc1e9559e8c5ec6bf379519ad0280c0a5e0d445a1ffda84ace7b9f3b", kill_on_drop: false }`
[INFO] [stdout] 3461f800dc1e9559e8c5ec6bf379519ad0280c0a5e0d445a1ffda84ace7b9f3b
