[INFO] fetching crate svgdom 0.18.0...
[INFO] testing svgdom-0.18.0 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate svgdom 0.18.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate svgdom 0.18.0 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate svgdom 0.18.0
[INFO] finished tweaking crates.io crate svgdom 0.18.0
[INFO] tweaked toml for crates.io crate svgdom 0.18.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate svgdom 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2900df1ab59d680f8c265c2a88ca8ccb2e6696466a10039b80e645c02dae90a
[INFO] running `Command { std: "docker" "start" "-a" "f2900df1ab59d680f8c265c2a88ca8ccb2e6696466a10039b80e645c02dae90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2900df1ab59d680f8c265c2a88ca8ccb2e6696466a10039b80e645c02dae90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2900df1ab59d680f8c265c2a88ca8ccb2e6696466a10039b80e645c02dae90a", kill_on_drop: false }`
[INFO] [stdout] f2900df1ab59d680f8c265c2a88ca8ccb2e6696466a10039b80e645c02dae90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dacd676308d13d26e8ca86d1b6b5c5349b60035a2b1f6cee4e9c674ea9825b8
[INFO] running `Command { std: "docker" "start" "-a" "6dacd676308d13d26e8ca86d1b6b5c5349b60035a2b1f6cee4e9c674ea9825b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling xmlparser v0.9.0
[INFO] [stderr]    Compiling float-cmp v0.5.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling roxmltree v0.6.0
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling svgdom v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/attributes.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Some(i) => { mem::replace(&mut self.0[i], attr); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "6dacd676308d13d26e8ca86d1b6b5c5349b60035a2b1f6cee4e9c674ea9825b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dacd676308d13d26e8ca86d1b6b5c5349b60035a2b1f6cee4e9c674ea9825b8", kill_on_drop: false }`
[INFO] [stdout] 6dacd676308d13d26e8ca86d1b6b5c5349b60035a2b1f6cee4e9c674ea9825b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877fd78a93a5230a3a551291ac62637c23254fc81120e9ed02dd5a18419e6e2e
[INFO] running `Command { std: "docker" "start" "-a" "877fd78a93a5230a3a551291ac62637c23254fc81120e9ed02dd5a18419e6e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/attributes.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Some(i) => { mem::replace(&mut self.0[i], attr); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling svgdom v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/attributes.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Some(i) => { mem::replace(&mut self.0[i], attr); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.79s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/svgdom-aa67169c8be72504)
[INFO] [stderr]   Executable tests/css.rs (/opt/rustwide/target/debug/deps/css-94a4c675e7b79a0a)
[INFO] [stderr]   Executable tests/debug.rs (/opt/rustwide/target/debug/deps/debug-5f5a216aa5747bcf)
[INFO] [stderr]   Executable tests/domapi.rs (/opt/rustwide/target/debug/deps/domapi-41c2895506804216)
[INFO] [stderr]   Executable tests/parser.rs (/opt/rustwide/target/debug/deps/parser-2a5ed6e98c48b7eb)
[INFO] [stderr]   Executable tests/text.rs (/opt/rustwide/target/debug/deps/text-2b836ba727006b3b)
[INFO] [stderr]   Executable tests/writer.rs (/opt/rustwide/target/debug/deps/writer-aae4d8648e733c4b)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "877fd78a93a5230a3a551291ac62637c23254fc81120e9ed02dd5a18419e6e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877fd78a93a5230a3a551291ac62637c23254fc81120e9ed02dd5a18419e6e2e", kill_on_drop: false }`
[INFO] [stdout] 877fd78a93a5230a3a551291ac62637c23254fc81120e9ed02dd5a18419e6e2e