[INFO] fetching crate epub2mdbook 0.15.0...
[INFO] testing epub2mdbook-0.15.0 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate epub2mdbook 0.15.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate epub2mdbook 0.15.0
[INFO] finished tweaking crates.io crate epub2mdbook 0.15.0
[INFO] tweaked toml for crates.io crate epub2mdbook 0.15.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate epub2mdbook 0.15.0 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate epub2mdbook 0.15.0 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.3.0
[INFO] [stderr]   Downloaded xml5ever v0.18.1
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded clap_complete v4.5.45
[INFO] [stderr]   Downloaded handlebars v6.3.1
[INFO] [stderr]   Downloaded ammonia v4.0.0
[INFO] [stderr]   Downloaded clap v4.5.30
[INFO] [stderr]   Downloaded clap_builder v4.5.30
[INFO] [stderr]   Downloaded htmd v0.1.6
[INFO] [stderr]   Downloaded epub v2.1.2
[INFO] [stderr]   Downloaded mdbook v0.4.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 354308e6bbb066018e522916d463ae346131b7bcc7bc6fd61b0285fae6c20a34
[INFO] running `Command { std: "docker" "start" "-a" "354308e6bbb066018e522916d463ae346131b7bcc7bc6fd61b0285fae6c20a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354308e6bbb066018e522916d463ae346131b7bcc7bc6fd61b0285fae6c20a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354308e6bbb066018e522916d463ae346131b7bcc7bc6fd61b0285fae6c20a34", kill_on_drop: false }`
[INFO] [stdout] 354308e6bbb066018e522916d463ae346131b7bcc7bc6fd61b0285fae6c20a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6e083faaadcc8c317128250ec4035f0c8c4939692a38539ea0d935e5b537c7
[INFO] running `Command { std: "docker" "start" "-a" "db6e083faaadcc8c317128250ec4035f0c8c4939692a38539ea0d935e5b537c7", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `tracing v0.1.41`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `tracing v0.1.41`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "db6e083faaadcc8c317128250ec4035f0c8c4939692a38539ea0d935e5b537c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6e083faaadcc8c317128250ec4035f0c8c4939692a38539ea0d935e5b537c7", kill_on_drop: false }`
[INFO] [stdout] db6e083faaadcc8c317128250ec4035f0c8c4939692a38539ea0d935e5b537c7