[INFO] fetching crate mdbook-svgdx 0.7.0...
[INFO] building mdbook-svgdx-0.7.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate mdbook-svgdx 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mdbook-svgdx 0.7.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-svgdx 0.7.0
[INFO] finished tweaking crates.io crate mdbook-svgdx 0.7.0
[INFO] tweaked toml for crates.io crate mdbook-svgdx 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-svgdx 0.7.0 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63fac2729e96824afccba98b413663c3df811ba3c894a8c908da35f38577492e
[INFO] running `Command { std: "docker" "start" "-a" "63fac2729e96824afccba98b413663c3df811ba3c894a8c908da35f38577492e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63fac2729e96824afccba98b413663c3df811ba3c894a8c908da35f38577492e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fac2729e96824afccba98b413663c3df811ba3c894a8c908da35f38577492e", kill_on_drop: false }`
[INFO] [stdout] 63fac2729e96824afccba98b413663c3df811ba3c894a8c908da35f38577492e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f7e3e208e6b9a148bc1277e06cc16e13d52d2c314ee94506e743a8098cc0e3
[INFO] running `Command { std: "docker" "start" "-a" "50f7e3e208e6b9a148bc1277e06cc16e13d52d2c314ee94506e743a8098cc0e3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mdbook v0.4.48
[INFO] [stderr]    Compiling mdbook-svgdx v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "50f7e3e208e6b9a148bc1277e06cc16e13d52d2c314ee94506e743a8098cc0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f7e3e208e6b9a148bc1277e06cc16e13d52d2c314ee94506e743a8098cc0e3", kill_on_drop: false }`
[INFO] [stdout] 50f7e3e208e6b9a148bc1277e06cc16e13d52d2c314ee94506e743a8098cc0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ecfcfb0f5c005b8d8684a583d090b9987cf546301384e9ef5f6398642548861
[INFO] running `Command { std: "docker" "start" "-a" "8ecfcfb0f5c005b8d8684a583d090b9987cf546301384e9ef5f6398642548861", kill_on_drop: false }`
[INFO] [stderr]    Compiling assertables v9.5.2
[INFO] [stderr]    Compiling mdbook-svgdx v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "8ecfcfb0f5c005b8d8684a583d090b9987cf546301384e9ef5f6398642548861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecfcfb0f5c005b8d8684a583d090b9987cf546301384e9ef5f6398642548861", kill_on_drop: false }`
[INFO] [stdout] 8ecfcfb0f5c005b8d8684a583d090b9987cf546301384e9ef5f6398642548861