[INFO] cloning repository https://github.com/steinuil/remfab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steinuil/remfab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinuil%2Fremfab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinuil%2Fremfab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb30b65b49d10cf85feaef8f02f621de4f1b9953
[INFO] checking steinuil/remfab against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinuil%2Fremfab" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/steinuil/remfab
[INFO] finished tweaking git repo https://github.com/steinuil/remfab
[INFO] tweaked toml for git repo https://github.com/steinuil/remfab written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/steinuil/remfab on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/steinuil/remfab 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a8fe0f1dc37adf12963de9eadd4a9f1a866612b96a1d9f341f5abce990b2afd
[INFO] running `Command { std: "docker" "start" "-a" "7a8fe0f1dc37adf12963de9eadd4a9f1a866612b96a1d9f341f5abce990b2afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8fe0f1dc37adf12963de9eadd4a9f1a866612b96a1d9f341f5abce990b2afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8fe0f1dc37adf12963de9eadd4a9f1a866612b96a1d9f341f5abce990b2afd", kill_on_drop: false }`
[INFO] [stdout] 7a8fe0f1dc37adf12963de9eadd4a9f1a866612b96a1d9f341f5abce990b2afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9948cdd8c03b70f135326155d1b48f1cd1883d1d640213840cb7a475051a883e
[INFO] running `Command { std: "docker" "start" "-a" "9948cdd8c03b70f135326155d1b48f1cd1883d1d640213840cb7a475051a883e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking remfab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]    --> src/rm2/fb.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let temperature = self.temperature_sensor.read_temperature()?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fscreeninfo`
[INFO] [stdout]    --> src/rm2/fb.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let fscreeninfo = get_fixed_screen_info(&self.fd)?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fscreeninfo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Driver` is never constructed
[INFO] [stdout]    --> src/rm2/fb.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub struct Driver {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `remfab` (bin "remfab" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]    --> src/rm2/fb.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let temperature = self.temperature_sensor.read_temperature()?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fscreeninfo`
[INFO] [stdout]    --> src/rm2/fb.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let fscreeninfo = get_fixed_screen_info(&self.fd)?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fscreeninfo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Driver` is never constructed
[INFO] [stdout]    --> src/rm2/fb.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub struct Driver {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `remfab` (bin "remfab") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9948cdd8c03b70f135326155d1b48f1cd1883d1d640213840cb7a475051a883e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9948cdd8c03b70f135326155d1b48f1cd1883d1d640213840cb7a475051a883e", kill_on_drop: false }`
[INFO] [stdout] 9948cdd8c03b70f135326155d1b48f1cd1883d1d640213840cb7a475051a883e