[INFO] cloning repository https://github.com/lswith/simple-buffer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lswith/simple-buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flswith%2Fsimple-buffer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flswith%2Fsimple-buffer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9375e916559bb2ea820d647b7edd688a59430722 [INFO] checking lswith/simple-buffer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flswith%2Fsimple-buffer" "/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/lswith/simple-buffer 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/lswith/simple-buffer [INFO] finished tweaking git repo https://github.com/lswith/simple-buffer [INFO] tweaked toml for git repo https://github.com/lswith/simple-buffer written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lswith/simple-buffer 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] Blocking waiting for file lock on package cache [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] c3e698821bd36b0b40b37130279aef226662e5fc9581ebaa329a1521bae43a71 [INFO] running `Command { std: "docker" "start" "-a" "c3e698821bd36b0b40b37130279aef226662e5fc9581ebaa329a1521bae43a71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3e698821bd36b0b40b37130279aef226662e5fc9581ebaa329a1521bae43a71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e698821bd36b0b40b37130279aef226662e5fc9581ebaa329a1521bae43a71", kill_on_drop: false }` [INFO] [stdout] c3e698821bd36b0b40b37130279aef226662e5fc9581ebaa329a1521bae43a71 [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] 641d3734319f611cab4af95d48441eb88c569477796b6aace2c674de64074c83 [INFO] running `Command { std: "docker" "start" "-a" "641d3734319f611cab4af95d48441eb88c569477796b6aace2c674de64074c83", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking ringbuf v0.3.3 [INFO] [stderr] Checking simple-buffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Buffer` is never used [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Buffer { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/ring.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Ring { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | data: Arc>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ring` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/simple.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Simple { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | data: Arc>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.77s [INFO] running `Command { std: "docker" "inspect" "641d3734319f611cab4af95d48441eb88c569477796b6aace2c674de64074c83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "641d3734319f611cab4af95d48441eb88c569477796b6aace2c674de64074c83", kill_on_drop: false }` [INFO] [stdout] 641d3734319f611cab4af95d48441eb88c569477796b6aace2c674de64074c83