[INFO] fetching crate lockless 0.2.0...
[INFO] building lockless-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate lockless 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate lockless 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lockless 0.2.0
[INFO] finished tweaking crates.io crate lockless 0.2.0
[INFO] tweaked toml for crates.io crate lockless 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51bcd3660451fd5ed157f7e95ef6afc4f544346e9b02375ea217b28af4dc934e
[INFO] running `Command { std: "docker" "start" "-a" "51bcd3660451fd5ed157f7e95ef6afc4f544346e9b02375ea217b28af4dc934e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51bcd3660451fd5ed157f7e95ef6afc4f544346e9b02375ea217b28af4dc934e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bcd3660451fd5ed157f7e95ef6afc4f544346e9b02375ea217b28af4dc934e", kill_on_drop: false }`
[INFO] [stdout] 51bcd3660451fd5ed157f7e95ef6afc4f544346e9b02375ea217b28af4dc934e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40ce63fa61919994229bc67ee46e4842efcd6b854d45f3b89df26d5cfa6ce3ac
[INFO] running `Command { std: "docker" "start" "-a" "40ce63fa61919994229bc67ee46e4842efcd6b854d45f3b89df26d5cfa6ce3ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling lockless v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/sync/mpsc_queue.rs:143:51
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.tasks.swap(id.into(), id, Some(task::park())).is_some()
[INFO] [stdout]     |                                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/sync/mpsc_queue.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |             task.unpark();
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lockless` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "40ce63fa61919994229bc67ee46e4842efcd6b854d45f3b89df26d5cfa6ce3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ce63fa61919994229bc67ee46e4842efcd6b854d45f3b89df26d5cfa6ce3ac", kill_on_drop: false }`
[INFO] [stdout] 40ce63fa61919994229bc67ee46e4842efcd6b854d45f3b89df26d5cfa6ce3ac
