[INFO] cloning repository https://github.com/Th3Whit3Wolf/bulbb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Th3Whit3Wolf/bulbb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTh3Whit3Wolf%2Fbulbb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTh3Whit3Wolf%2Fbulbb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d43e84c01f5d1eb526f5682e46eac4f51a4cf485
[INFO] checking Th3Whit3Wolf/bulbb against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-no-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTh3Whit3Wolf%2Fbulbb" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Th3Whit3Wolf/bulbb
[INFO] finished tweaking git repo https://github.com/Th3Whit3Wolf/bulbb
[INFO] tweaked toml for git repo https://github.com/Th3Whit3Wolf/bulbb written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Th3Whit3Wolf/bulbb on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages to latest compatible versions
[INFO] [stderr]       Adding zbus v1.9.3 (available: v5.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6680e206d9202438301c4dfa719ca981d6f4d552121287abca2ab57fbcce632
[INFO] running `Command { std: "docker" "start" "-a" "a6680e206d9202438301c4dfa719ca981d6f4d552121287abca2ab57fbcce632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6680e206d9202438301c4dfa719ca981d6f4d552121287abca2ab57fbcce632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6680e206d9202438301c4dfa719ca981d6f4d552121287abca2ab57fbcce632", kill_on_drop: false }`
[INFO] [stdout] a6680e206d9202438301c4dfa719ca981d6f4d552121287abca2ab57fbcce632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b30356163dab3af953a2b94227c06fb12171ef56b4320b04133fab151f90bf
[INFO] running `Command { std: "docker" "start" "-a" "39b30356163dab3af953a2b94227c06fb12171ef56b4320b04133fab151f90bf", kill_on_drop: false }`
[INFO] [stderr]     Checking bulbb v0.0.4-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `format_led_device` and `format_monitor_device`
[INFO] [stdout]   --> src/utils/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     format_led_device, format_monitor_device, read_sys_backlight, read_sys_led,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `with_color` and `with_function` are never used
[INFO] [stdout]   --> src/misc/linux.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<'a> LedFilterable<'a> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:41:72
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn with_device_name(&'a mut self, device_name: &'a str) -> &'a mut LedFilterable {
[INFO] [stdout]    |                          --                         --          --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                          |           |
[INFO] [stdout]    |                          |                          |           the same lifetime is named here
[INFO] [stdout]    |                          |                          the lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn with_device_name(&'a mut self, device_name: &'a str) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:45:61
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable {
[INFO] [stdout]    |                    --                                --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |                                 |
[INFO] [stdout]    |                    the lifetime is named here        the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:49:70
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable {
[INFO] [stdout]    |                       --                                      --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |                                       |
[INFO] [stdout]    |                       the lifetime is named here              the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn finish(&'a mut self) -> LedFilterable {
[INFO] [stdout]    |                --              ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn finish(&'a mut self) -> LedFilterable<'a> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_monitor_device` is never used
[INFO] [stdout]   --> src/utils/linux.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn format_monitor_device(bl: MonitorDevice) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_led_device` is never used
[INFO] [stdout]   --> src/utils/linux.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn format_led_device(led: LedDevice) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_device_name`, `with_color`, `with_function`, and `finish` are never used
[INFO] [stdout]   --> src/misc/linux.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<'a> LedFilterable<'a> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 34 |     fn new() -> LedFilterable<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn with_device_name(&'a mut self, device_name: &'a str) -> &'a mut LedFilterable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn finish(&'a mut self) -> LedFilterable {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:41:72
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn with_device_name(&'a mut self, device_name: &'a str) -> &'a mut LedFilterable {
[INFO] [stdout]    |                          --                         --          --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                          |           |
[INFO] [stdout]    |                          |                          |           the same lifetime is named here
[INFO] [stdout]    |                          |                          the lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn with_device_name(&'a mut self, device_name: &'a str) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:45:61
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable {
[INFO] [stdout]    |                    --                                --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |                                 |
[INFO] [stdout]    |                    the lifetime is named here        the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn with_color(&'a mut self, color: LedColor) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:49:70
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable {
[INFO] [stdout]    |                       --                                      --     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |                                       |
[INFO] [stdout]    |                       the lifetime is named here              the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn with_function(&'a mut self, function: LedFunction) -> &'a mut LedFilterable<'a> {
[INFO] [stdout]    |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/misc/linux.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn finish(&'a mut self) -> LedFilterable {
[INFO] [stdout]    |                --              ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn finish(&'a mut self) -> LedFilterable<'a> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "39b30356163dab3af953a2b94227c06fb12171ef56b4320b04133fab151f90bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b30356163dab3af953a2b94227c06fb12171ef56b4320b04133fab151f90bf", kill_on_drop: false }`
[INFO] [stdout] 39b30356163dab3af953a2b94227c06fb12171ef56b4320b04133fab151f90bf
