[INFO] fetching crate bookbinder_epub 0.1.0...
[INFO] checking bookbinder_epub-0.1.0 against beta for pr-78714
[INFO] extracting crate bookbinder_epub 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bookbinder_epub 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bookbinder_epub 0.1.0
[INFO] finished tweaking crates.io crate bookbinder_epub 0.1.0
[INFO] tweaked toml for crates.io crate bookbinder_epub 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd265d91e17aa0823b100ff1153e78b20c1a8220d91d8d1552dd3133c8fef984
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd265d91e17aa0823b100ff1153e78b20c1a8220d91d8d1552dd3133c8fef984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd265d91e17aa0823b100ff1153e78b20c1a8220d91d8d1552dd3133c8fef984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd265d91e17aa0823b100ff1153e78b20c1a8220d91d8d1552dd3133c8fef984", kill_on_drop: false }`
[INFO] [stdout] fd265d91e17aa0823b100ff1153e78b20c1a8220d91d8d1552dd3133c8fef984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff0ce7a31bee3e5cd265892b7e8fc15b0d7ebc8e75d19dfdef0d25fc2a28664a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff0ce7a31bee3e5cd265892b7e8fc15b0d7ebc8e75d19dfdef0d25fc2a28664a", kill_on_drop: false }`
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking temp_file_name v0.1.0
[INFO] [stderr]     Checking unicode-ccc v0.1.0
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling tiny-skia v0.1.0
[INFO] [stderr]    Compiling rustybuzz v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking extended_pulldown v0.1.0
[INFO] [stderr]     Checking fontdb v0.1.0
[INFO] [stderr]     Checking fontdb v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking epub_metadata v0.1.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling bookbinder_epub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking usvg v0.11.0
[INFO] [stderr]     Checking resvg v0.11.0
[INFO] [stderr]     Checking bookbinder_common v0.1.0
[INFO] [stderr]     Checking epub_bundler v0.1.0
[INFO] [stderr]     Checking bookbinder_ast v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 44s
[INFO] running `Command { std: "docker" "inspect" "ff0ce7a31bee3e5cd265892b7e8fc15b0d7ebc8e75d19dfdef0d25fc2a28664a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0ce7a31bee3e5cd265892b7e8fc15b0d7ebc8e75d19dfdef0d25fc2a28664a", kill_on_drop: false }`
[INFO] [stdout] ff0ce7a31bee3e5cd265892b7e8fc15b0d7ebc8e75d19dfdef0d25fc2a28664a