[INFO] fetching crate brack 0.2.0...
[INFO] testing brack-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate brack 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate brack 0.2.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brack 0.2.0
[INFO] finished tweaking crates.io crate brack 0.2.0
[INFO] tweaked toml for crates.io crate brack 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate brack 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81a29f150199ce59556ad1ac501bc6fbb720954638db7fd23f84bacb49d278a8
[INFO] running `Command { std: "docker" "start" "-a" "81a29f150199ce59556ad1ac501bc6fbb720954638db7fd23f84bacb49d278a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a29f150199ce59556ad1ac501bc6fbb720954638db7fd23f84bacb49d278a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a29f150199ce59556ad1ac501bc6fbb720954638db7fd23f84bacb49d278a8", kill_on_drop: false }`
[INFO] [stdout] 81a29f150199ce59556ad1ac501bc6fbb720954638db7fd23f84bacb49d278a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f19a345e1c222b8308f174d9d28460818be5dd103d6c759f0989c585ace8a4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f19a345e1c222b8308f174d9d28460818be5dd103d6c759f0989c585ace8a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling brack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "6f19a345e1c222b8308f174d9d28460818be5dd103d6c759f0989c585ace8a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f19a345e1c222b8308f174d9d28460818be5dd103d6c759f0989c585ace8a4e", kill_on_drop: false }`
[INFO] [stdout] 6f19a345e1c222b8308f174d9d28460818be5dd103d6c759f0989c585ace8a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37026163737ba0bf37010b61261a75daa327b59cac559ee409fedf2f5fcdc20f
[INFO] running `Command { std: "docker" "start" "-a" "37026163737ba0bf37010b61261a75daa327b59cac559ee409fedf2f5fcdc20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling brack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:239:45
[INFO] [stdout]     |
[INFO] [stdout] 239 |         assert_matches!(c, Change::Relative(10.0f32));
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:242:46
[INFO] [stdout]     |
[INFO] [stdout] 242 |         assert_matches!(c, Change::Relative(-10.0f32));
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37026163737ba0bf37010b61261a75daa327b59cac559ee409fedf2f5fcdc20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37026163737ba0bf37010b61261a75daa327b59cac559ee409fedf2f5fcdc20f", kill_on_drop: false }`
[INFO] [stdout] 37026163737ba0bf37010b61261a75daa327b59cac559ee409fedf2f5fcdc20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] baa62059c47e8ebb4643db2f86566abd32b98f5f1cccb1bf01c52a84d420701d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "baa62059c47e8ebb4643db2f86566abd32b98f5f1cccb1bf01c52a84d420701d", kill_on_drop: false }`
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:239:45
[INFO] [stderr]     |
[INFO] [stderr] 239 |         assert_matches!(c, Change::Relative(10.0f32));
[INFO] [stderr]     |                                             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:242:46
[INFO] [stderr]     |
[INFO] [stderr] 242 |         assert_matches!(c, Change::Relative(-10.0f32));
[INFO] [stderr]     |                                              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brack-c1b9b2db9234297c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::dev_percent ... ok
[INFO] [stdout] test tests::inc_change ... ok
[INFO] [stdout] test tests::decrease_percent ... ok
[INFO] [stdout] test tests::read_all_devices ... ok
[INFO] [stdout] test tests::increase_percent ... ok
[INFO] [stdout] test tests::read_intel_backlight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "baa62059c47e8ebb4643db2f86566abd32b98f5f1cccb1bf01c52a84d420701d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa62059c47e8ebb4643db2f86566abd32b98f5f1cccb1bf01c52a84d420701d", kill_on_drop: false }`
[INFO] [stdout] baa62059c47e8ebb4643db2f86566abd32b98f5f1cccb1bf01c52a84d420701d