[INFO] cloning repository https://github.com/al3xtjames/caffeinate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/al3xtjames/caffeinate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fal3xtjames%2Fcaffeinate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fal3xtjames%2Fcaffeinate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 932ba9ee64ea310fe57beee055c53444b2713701
[INFO] checking al3xtjames/caffeinate against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fal3xtjames%2Fcaffeinate" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/al3xtjames/caffeinate on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/al3xtjames/caffeinate
[INFO] finished tweaking git repo https://github.com/al3xtjames/caffeinate
[INFO] tweaked toml for git repo https://github.com/al3xtjames/caffeinate written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/al3xtjames/caffeinate 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pidfd v0.2.4
[INFO] [stderr]   Downloaded pin-project v0.4.24
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded dbus v0.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded pin-project-internal v0.4.24
[INFO] [stderr]   Downloaded fd-reactor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8865eb2c9b86d19223979fc4f4d6259e966444eaf11c8f83fc394933b6c73f4
[INFO] running `Command { std: "docker" "start" "-a" "a8865eb2c9b86d19223979fc4f4d6259e966444eaf11c8f83fc394933b6c73f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8865eb2c9b86d19223979fc4f4d6259e966444eaf11c8f83fc394933b6c73f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8865eb2c9b86d19223979fc4f4d6259e966444eaf11c8f83fc394933b6c73f4", kill_on_drop: false }`
[INFO] [stdout] a8865eb2c9b86d19223979fc4f4d6259e966444eaf11c8f83fc394933b6c73f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2706042ddc3a51d2f34591f5fa8bdc56d1dd014ef4c81c2731c4e6e999088d4
[INFO] running `Command { std: "docker" "start" "-a" "d2706042ddc3a51d2f34591f5fa8bdc56d1dd014ef4c81c2731c4e6e999088d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking fd-reactor v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pidfd v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking caffeinate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `uninhibit` is never used
[INFO] [stdout]  --> src/sleep_inhibitor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait SleepInhibitor {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 2 |     fn inhibit(&mut self, application: &str, reason: &str);
[INFO] [stdout] 3 |     fn uninhibit(&mut self);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `uninhibit` is never used
[INFO] [stdout]  --> src/sleep_inhibitor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait SleepInhibitor {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 2 |     fn inhibit(&mut self, application: &str, reason: &str);
[INFO] [stdout] 3 |     fn uninhibit(&mut self);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "d2706042ddc3a51d2f34591f5fa8bdc56d1dd014ef4c81c2731c4e6e999088d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2706042ddc3a51d2f34591f5fa8bdc56d1dd014ef4c81c2731c4e6e999088d4", kill_on_drop: false }`
[INFO] [stdout] d2706042ddc3a51d2f34591f5fa8bdc56d1dd014ef4c81c2731c4e6e999088d4