[INFO] fetching crate mecha_display_ctl 0.1.0...
[INFO] testing mecha_display_ctl-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mecha_display_ctl 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mecha_display_ctl 0.1.0
[INFO] finished tweaking crates.io crate mecha_display_ctl 0.1.0
[INFO] tweaked toml for crates.io crate mecha_display_ctl 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mecha_display_ctl 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.12
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded predicates-core v1.0.9
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded fragile v2.0.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded termtree v0.5.1
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9c30ab5cca94c48638a873b0322b97b434e347fc344a6becd1d5475de9ebe6
[INFO] running `Command { std: "docker" "start" "-a" "6c9c30ab5cca94c48638a873b0322b97b434e347fc344a6becd1d5475de9ebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9c30ab5cca94c48638a873b0322b97b434e347fc344a6becd1d5475de9ebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9c30ab5cca94c48638a873b0322b97b434e347fc344a6becd1d5475de9ebe6", kill_on_drop: false }`
[INFO] [stdout] 6c9c30ab5cca94c48638a873b0322b97b434e347fc344a6becd1d5475de9ebe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3621d49897fd3b7d974f7288668f89baec620650be732f9a9486f1d1ae94f180
[INFO] running `Command { std: "docker" "start" "-a" "3621d49897fd3b7d974f7288668f89baec620650be732f9a9486f1d1ae94f180", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling mecha_display_ctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "3621d49897fd3b7d974f7288668f89baec620650be732f9a9486f1d1ae94f180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3621d49897fd3b7d974f7288668f89baec620650be732f9a9486f1d1ae94f180", kill_on_drop: false }`
[INFO] [stdout] 3621d49897fd3b7d974f7288668f89baec620650be732f9a9486f1d1ae94f180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8596b3b2475df8a7178d9ad9d7d2b2e12946281334e90da3bc875503da62fc3a
[INFO] running `Command { std: "docker" "start" "-a" "8596b3b2475df8a7178d9ad9d7d2b2e12946281334e90da3bc875503da62fc3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling mecha_display_ctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "8596b3b2475df8a7178d9ad9d7d2b2e12946281334e90da3bc875503da62fc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8596b3b2475df8a7178d9ad9d7d2b2e12946281334e90da3bc875503da62fc3a", kill_on_drop: false }`
[INFO] [stdout] 8596b3b2475df8a7178d9ad9d7d2b2e12946281334e90da3bc875503da62fc3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ed6a5ebdb0fe72d643684a3dac299e01bfa2ede2ab7a86296e49f47b13db718
[INFO] running `Command { std: "docker" "start" "-a" "6ed6a5ebdb0fe72d643684a3dac299e01bfa2ede2ab7a86296e49f47b13db718", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mecha_display_ctl-58b2bce64f086641)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test display::tests::test_display_brightness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mecha_display_ctl
[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" "6ed6a5ebdb0fe72d643684a3dac299e01bfa2ede2ab7a86296e49f47b13db718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed6a5ebdb0fe72d643684a3dac299e01bfa2ede2ab7a86296e49f47b13db718", kill_on_drop: false }`
[INFO] [stdout] 6ed6a5ebdb0fe72d643684a3dac299e01bfa2ede2ab7a86296e49f47b13db718