[INFO] fetching crate style_freak 0.1.2...
[INFO] testing style_freak-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate style_freak 0.1.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate style_freak 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-105/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4832ce0bf03f79a8488a93a1f9609244e7ee481acce9382c73e16cdfda7cef3c
[INFO] running `Command { std: "docker" "start" "-a" "4832ce0bf03f79a8488a93a1f9609244e7ee481acce9382c73e16cdfda7cef3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4832ce0bf03f79a8488a93a1f9609244e7ee481acce9382c73e16cdfda7cef3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4832ce0bf03f79a8488a93a1f9609244e7ee481acce9382c73e16cdfda7cef3c", kill_on_drop: false }`
[INFO] [stdout] 4832ce0bf03f79a8488a93a1f9609244e7ee481acce9382c73e16cdfda7cef3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc514d3c367a1c3813b083c16389519047ff8d0fd1d6d4de6658edd781ee761
[INFO] running `Command { std: "docker" "start" "-a" "fcc514d3c367a1c3813b083c16389519047ff8d0fd1d6d4de6658edd781ee761", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[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 4.43s
[INFO] running `Command { std: "docker" "inspect" "fcc514d3c367a1c3813b083c16389519047ff8d0fd1d6d4de6658edd781ee761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc514d3c367a1c3813b083c16389519047ff8d0fd1d6d4de6658edd781ee761", kill_on_drop: false }`
[INFO] [stdout] fcc514d3c367a1c3813b083c16389519047ff8d0fd1d6d4de6658edd781ee761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d147d8094f6a97830353be96463fb3b0b14619985c5bff6f26a1bec009ad1fc3
[INFO] running `Command { std: "docker" "start" "-a" "d147d8094f6a97830353be96463fb3b0b14619985c5bff6f26a1bec009ad1fc3", 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 0.53s
[INFO] running `Command { std: "docker" "inspect" "d147d8094f6a97830353be96463fb3b0b14619985c5bff6f26a1bec009ad1fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d147d8094f6a97830353be96463fb3b0b14619985c5bff6f26a1bec009ad1fc3", kill_on_drop: false }`
[INFO] [stdout] d147d8094f6a97830353be96463fb3b0b14619985c5bff6f26a1bec009ad1fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 072eccf0ec5f02b02988dbbf813b5c2ee753bd2cdcc8f243af9d8e2594a7dadd
[INFO] running `Command { std: "docker" "start" "-a" "072eccf0ec5f02b02988dbbf813b5c2ee753bd2cdcc8f243af9d8e2594a7dadd", 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 0.19s
[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" "072eccf0ec5f02b02988dbbf813b5c2ee753bd2cdcc8f243af9d8e2594a7dadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072eccf0ec5f02b02988dbbf813b5c2ee753bd2cdcc8f243af9d8e2594a7dadd", kill_on_drop: false }`
[INFO] [stdout] 072eccf0ec5f02b02988dbbf813b5c2ee753bd2cdcc8f243af9d8e2594a7dadd