[INFO] fetching crate async-condvar-fair 1.0.0...
[INFO] checking async-condvar-fair-1.0.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate async-condvar-fair 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-condvar-fair 1.0.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-condvar-fair 1.0.0
[INFO] finished tweaking crates.io crate async-condvar-fair 1.0.0
[INFO] tweaked toml for crates.io crate async-condvar-fair 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded dlv-list v0.4.0
[INFO] [stderr]   Downloaded futures-test v0.3.30
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb21d34f658f362e3e43efa2ff9f8c139012349ecf804bf79482b4eb6a3f7c1c
[INFO] running `Command { std: "docker" "start" "-a" "eb21d34f658f362e3e43efa2ff9f8c139012349ecf804bf79482b4eb6a3f7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb21d34f658f362e3e43efa2ff9f8c139012349ecf804bf79482b4eb6a3f7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb21d34f658f362e3e43efa2ff9f8c139012349ecf804bf79482b4eb6a3f7c1c", kill_on_drop: false }`
[INFO] [stdout] eb21d34f658f362e3e43efa2ff9f8c139012349ecf804bf79482b4eb6a3f7c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b7d300997cb1e3e3594e78dcbea67bc9ee6c31acd97ac549cad0e5bc234c5c
[INFO] running `Command { std: "docker" "start" "-a" "25b7d300997cb1e3e3594e78dcbea67bc9ee6c31acd97ac549cad0e5bc234c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking async-executor v1.9.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking dlv-list v0.4.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking async-condvar-fair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test/exhaustive.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |           let mut done = &mut record.done[self.chosen.len()];
[INFO] [stdout]     |               ----^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/test/cases.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |       tasks.push(Box::pin(async move { drop(stop_guard); }));
[INFO] [stdout]     |                                        ^^^^^----------^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             argument has type `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "25b7d300997cb1e3e3594e78dcbea67bc9ee6c31acd97ac549cad0e5bc234c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b7d300997cb1e3e3594e78dcbea67bc9ee6c31acd97ac549cad0e5bc234c5c", kill_on_drop: false }`
[INFO] [stdout] 25b7d300997cb1e3e3594e78dcbea67bc9ee6c31acd97ac549cad0e5bc234c5c
