[INFO] fetching crate async-weighted-semaphore 0.2.1...
[INFO] checking async-weighted-semaphore-0.2.1 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate async-weighted-semaphore 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate async-weighted-semaphore 0.2.1 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-weighted-semaphore 0.2.1
[INFO] finished tweaking crates.io crate async-weighted-semaphore 0.2.1
[INFO] tweaked toml for crates.io crate async-weighted-semaphore 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c73cb888cdc6e442d59f73a23587cfe0203c524a48221ffec4ee6b5b0d51872
[INFO] running `Command { std: "docker" "start" "-a" "8c73cb888cdc6e442d59f73a23587cfe0203c524a48221ffec4ee6b5b0d51872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c73cb888cdc6e442d59f73a23587cfe0203c524a48221ffec4ee6b5b0d51872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c73cb888cdc6e442d59f73a23587cfe0203c524a48221ffec4ee6b5b0d51872", kill_on_drop: false }`
[INFO] [stdout] 8c73cb888cdc6e442d59f73a23587cfe0203c524a48221ffec4ee6b5b0d51872
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02d983a783fe90bd8cc87ba0e7f2ec26f9cdb4063c9f29f5d35c654fe14d839
[INFO] running `Command { std: "docker" "start" "-a" "d02d983a783fe90bd8cc87ba0e7f2ec26f9cdb4063c9f29f5d35c654fe14d839", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking unicode-ident v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking async-weighted-semaphore v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/guard.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 semaphore: self.semaphore.clone(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Semaphore` does not implement `Clone`, so calling `clone` on `&Semaphore` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-weighted-semaphore` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d02d983a783fe90bd8cc87ba0e7f2ec26f9cdb4063c9f29f5d35c654fe14d839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02d983a783fe90bd8cc87ba0e7f2ec26f9cdb4063c9f29f5d35c654fe14d839", kill_on_drop: false }`
[INFO] [stdout] d02d983a783fe90bd8cc87ba0e7f2ec26f9cdb4063c9f29f5d35c654fe14d839