[INFO] cloning repository https://github.com/ccapitalK/backlight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccapitalK/backlight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fbacklight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fbacklight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd740b4c298683e0d08ef27a61a1cf036c97750
[INFO] checking ccapitalK/backlight against master#9c8a2694fadf3900c4d7880f6357cee60e9aa39b for pr-117589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fbacklight" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccapitalK/backlight on toolchain 9c8a2694fadf3900c4d7880f6357cee60e9aa39b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c8a2694fadf3900c4d7880f6357cee60e9aa39b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccapitalK/backlight
[INFO] finished tweaking git repo https://github.com/ccapitalK/backlight
[INFO] tweaked toml for git repo https://github.com/ccapitalK/backlight written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ccapitalK/backlight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c8a2694fadf3900c4d7880f6357cee60e9aa39b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ccapitalK/backlight against try#1e981f329e2ae73beb121ad9b30e8013bc4ead78 for pr-117589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fbacklight" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccapitalK/backlight on toolchain 1e981f329e2ae73beb121ad9b30e8013bc4ead78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccapitalK/backlight
[INFO] finished tweaking git repo https://github.com/ccapitalK/backlight
[INFO] tweaked toml for git repo https://github.com/ccapitalK/backlight written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ccapitalK/backlight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ccapitalK/backlight against try#1e981f329e2ae73beb121ad9b30e8013bc4ead78 for pr-117589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fbacklight" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccapitalK/backlight on toolchain 1e981f329e2ae73beb121ad9b30e8013bc4ead78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccapitalK/backlight
[INFO] finished tweaking git repo https://github.com/ccapitalK/backlight
[INFO] tweaked toml for git repo https://github.com/ccapitalK/backlight written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ccapitalK/backlight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8853be71236507f7114c445c2fee5d089ac0f51f52fe9330616f8d15c5be678f
[INFO] running `Command { std: "docker" "start" "-a" "8853be71236507f7114c445c2fee5d089ac0f51f52fe9330616f8d15c5be678f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8853be71236507f7114c445c2fee5d089ac0f51f52fe9330616f8d15c5be678f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8853be71236507f7114c445c2fee5d089ac0f51f52fe9330616f8d15c5be678f", kill_on_drop: false }`
[INFO] [stdout] 8853be71236507f7114c445c2fee5d089ac0f51f52fe9330616f8d15c5be678f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+1e981f329e2ae73beb121ad9b30e8013bc4ead78" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a524660be0bd6b4b8cf79176da4cac4436e482a9170bbf28580b5743c9877de1
[INFO] running `Command { std: "docker" "start" "-a" "a524660be0bd6b4b8cf79176da4cac4436e482a9170bbf28580b5743c9877de1", kill_on_drop: false }`
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking backlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(try!(File::open(file_name.as_os_str())).read_to_string(&mut ret_string));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(try!(File::open(file_name.as_os_str())).read_to_string(&mut ret_string));
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let fc = try!(read_file_to_end(file_name));
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     try!(File::create(file_name.as_os_str())).write(data)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(try!(File::open(file_name.as_os_str())).read_to_string(&mut ret_string));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let max_brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let actual_brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(try!(File::open(file_name.as_os_str())).read_to_string(&mut ret_string));
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let fc = try!(read_file_to_end(file_name));
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     try!(File::create(file_name.as_os_str())).write(data)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let max_brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let actual_brightness = try!(read_file_to_usize(&path_buf));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a524660be0bd6b4b8cf79176da4cac4436e482a9170bbf28580b5743c9877de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a524660be0bd6b4b8cf79176da4cac4436e482a9170bbf28580b5743c9877de1", kill_on_drop: false }`
[INFO] [stdout] a524660be0bd6b4b8cf79176da4cac4436e482a9170bbf28580b5743c9877de1