[INFO] fetching crate style_freak 0.1.2...
[INFO] testing style_freak-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate style_freak 0.1.2 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate style_freak 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate style_freak 0.1.2
[INFO] finished tweaking crates.io crate style_freak 0.1.2
[INFO] tweaked toml for crates.io crate style_freak 0.1.2 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate style_freak 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d518ad8c868b16fa84d683e398bd373a30fa22978202b4063ffadeef8702974d
[INFO] running `Command { std: "docker" "start" "-a" "d518ad8c868b16fa84d683e398bd373a30fa22978202b4063ffadeef8702974d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d518ad8c868b16fa84d683e398bd373a30fa22978202b4063ffadeef8702974d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d518ad8c868b16fa84d683e398bd373a30fa22978202b4063ffadeef8702974d", kill_on_drop: false }`
[INFO] [stdout] d518ad8c868b16fa84d683e398bd373a30fa22978202b4063ffadeef8702974d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7770257169d9461a55aa52f66fc28c37ce985fe0e478f5e43d5884e3df2cafe3
[INFO] running `Command { std: "docker" "start" "-a" "7770257169d9461a55aa52f66fc28c37ce985fe0e478f5e43d5884e3df2cafe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling mpd v0.0.12
[INFO] [stderr]    Compiling style_freak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/screen/style_view_screen.rs:389:29
[INFO] [stdout]     |
[INFO] [stdout] 389 | ...                   self.fetch_styles(tree);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "7770257169d9461a55aa52f66fc28c37ce985fe0e478f5e43d5884e3df2cafe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7770257169d9461a55aa52f66fc28c37ce985fe0e478f5e43d5884e3df2cafe3", kill_on_drop: false }`
[INFO] [stdout] 7770257169d9461a55aa52f66fc28c37ce985fe0e478f5e43d5884e3df2cafe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8210e8f28a673e38a8e80d808ca99cfdbf2cf54c1de0764cb08c3f66a8f61
[INFO] running `Command { std: "docker" "start" "-a" "e6c8210e8f28a673e38a8e80d808ca99cfdbf2cf54c1de0764cb08c3f66a8f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling style_freak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/screen/style_view_screen.rs:389:29
[INFO] [stdout]     |
[INFO] [stdout] 389 | ...                   self.fetch_styles(tree);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "e6c8210e8f28a673e38a8e80d808ca99cfdbf2cf54c1de0764cb08c3f66a8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8210e8f28a673e38a8e80d808ca99cfdbf2cf54c1de0764cb08c3f66a8f61", kill_on_drop: false }`
[INFO] [stdout] e6c8210e8f28a673e38a8e80d808ca99cfdbf2cf54c1de0764cb08c3f66a8f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 402ffa7d52c92a8bdf449ea2196771839319c4c6f20a35e7dc95eb8cb32073f6
[INFO] running `Command { std: "docker" "start" "-a" "402ffa7d52c92a8bdf449ea2196771839319c4c6f20a35e7dc95eb8cb32073f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/screen/style_view_screen.rs:389:29
[INFO] [stderr]     |
[INFO] [stderr] 389 | ...                   self.fetch_styles(tree);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `style_freak` (bin "style_freak" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/style_freak-85ee69466084e7cf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "402ffa7d52c92a8bdf449ea2196771839319c4c6f20a35e7dc95eb8cb32073f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402ffa7d52c92a8bdf449ea2196771839319c4c6f20a35e7dc95eb8cb32073f6", kill_on_drop: false }`
[INFO] [stdout] 402ffa7d52c92a8bdf449ea2196771839319c4c6f20a35e7dc95eb8cb32073f6