[INFO] cloning repository https://github.com/graelo/tmux-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graelo/tmux-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraelo%2Ftmux-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraelo%2Ftmux-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 176b9f16075519825bac1abd650e5c5b7e3c2ad6
[INFO] checking graelo/tmux-lib against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraelo%2Ftmux-lib" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graelo/tmux-lib 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/graelo/tmux-lib
[INFO] finished tweaking git repo https://github.com/graelo/tmux-lib
[INFO] tweaked toml for git repo https://github.com/graelo/tmux-lib written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/graelo/tmux-lib 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 56eff0818ef76962c9d189e0411b744d20d823388cf1692d93834298e3c32c16
[INFO] running `Command { std: "docker" "start" "-a" "56eff0818ef76962c9d189e0411b744d20d823388cf1692d93834298e3c32c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56eff0818ef76962c9d189e0411b744d20d823388cf1692d93834298e3c32c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56eff0818ef76962c9d189e0411b744d20d823388cf1692d93834298e3c32c16", kill_on_drop: false }`
[INFO] [stdout] 56eff0818ef76962c9d189e0411b744d20d823388cf1692d93834298e3c32c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8a565a999cf185c4f97030208622432a9bcbf3fba1b9ddfac91fdf2d3dc3686d
[INFO] running `Command { std: "docker" "start" "-a" "8a565a999cf185c4f97030208622432a9bcbf3fba1b9ddfac91fdf2d3dc3686d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking memchr v2.6.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking tmux-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `trim` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait SliceExt {
[INFO] [stdout]   |                  -------- method in this trait
[INFO] [stdout] 4 |     fn trim(&self) -> &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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "8a565a999cf185c4f97030208622432a9bcbf3fba1b9ddfac91fdf2d3dc3686d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a565a999cf185c4f97030208622432a9bcbf3fba1b9ddfac91fdf2d3dc3686d", kill_on_drop: false }`
[INFO] [stdout] 8a565a999cf185c4f97030208622432a9bcbf3fba1b9ddfac91fdf2d3dc3686d