[INFO] updating cached repository https://github.com/reujab/epub-optimizer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aaeae10e5c29cf1a78324425160cf4629e07af9e
[INFO] checking reujab/epub-optimizer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freujab%2Fepub-optimizer" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reujab/epub-optimizer on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reujab/epub-optimizer
[INFO] finished tweaking git repo https://github.com/reujab/epub-optimizer
[INFO] tweaked toml for git repo https://github.com/reujab/epub-optimizer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/reujab/epub-optimizer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c098c727e471fbdb6efdc5bec22de74fd1ae9e30cc5a4ba7cb484f83d428a68
[INFO] running `"docker" "start" "-a" "1c098c727e471fbdb6efdc5bec22de74fd1ae9e30cc5a4ba7cb484f83d428a68"`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking epub-optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `"docker" "inspect" "1c098c727e471fbdb6efdc5bec22de74fd1ae9e30cc5a4ba7cb484f83d428a68"`
[INFO] running `"docker" "rm" "-f" "1c098c727e471fbdb6efdc5bec22de74fd1ae9e30cc5a4ba7cb484f83d428a68"`
[INFO] [stdout] 1c098c727e471fbdb6efdc5bec22de74fd1ae9e30cc5a4ba7cb484f83d428a68