[INFO] fetching crate scoped-threadpool-std 0.1.1...
[INFO] checking scoped-threadpool-std-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate scoped-threadpool-std 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate scoped-threadpool-std 0.1.1
[INFO] finished tweaking crates.io crate scoped-threadpool-std 0.1.1
[INFO] tweaked toml for crates.io crate scoped-threadpool-std 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scoped-threadpool-std 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pwhash v1.0.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] addbc0e84c5d9e46d5b140d5559f6f71b3bf447e08fedc443b9b755eb5fb025b
[INFO] running `Command { std: "docker" "start" "-a" "addbc0e84c5d9e46d5b140d5559f6f71b3bf447e08fedc443b9b755eb5fb025b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "addbc0e84c5d9e46d5b140d5559f6f71b3bf447e08fedc443b9b755eb5fb025b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addbc0e84c5d9e46d5b140d5559f6f71b3bf447e08fedc443b9b755eb5fb025b", kill_on_drop: false }`
[INFO] [stdout] addbc0e84c5d9e46d5b140d5559f6f71b3bf447e08fedc443b9b755eb5fb025b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378ba22e3deaac24456e0d18ee8f2f7ce59bfc5361f7106a9b6f4edf17167969
[INFO] running `Command { std: "docker" "start" "-a" "378ba22e3deaac24456e0d18ee8f2f7ce59bfc5361f7106a9b6f4edf17167969", kill_on_drop: false }`
[INFO] [stderr]     Checking scoped-threadpool-std v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pwhash v1.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(scoped_threads)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `scoped_threads` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(scoped_threads)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scoped-threadpool-std` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "378ba22e3deaac24456e0d18ee8f2f7ce59bfc5361f7106a9b6f4edf17167969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378ba22e3deaac24456e0d18ee8f2f7ce59bfc5361f7106a9b6f4edf17167969", kill_on_drop: false }`
[INFO] [stdout] 378ba22e3deaac24456e0d18ee8f2f7ce59bfc5361f7106a9b6f4edf17167969
