[INFO] fetching crate tla 0.1.12...
[INFO] checking tla-0.1.12 against 1.95.0 for pr-155915
[INFO] extracting crate tla 0.1.12 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tla 0.1.12
[INFO] finished tweaking crates.io crate tla 0.1.12
[INFO] tweaked toml for crates.io crate tla 0.1.12 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tla 0.1.12 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] crate crates.io crate tla 0.1.12 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.22
[INFO] [stderr]   Downloaded clap_lex v0.6.0
[INFO] [stderr]   Downloaded aoko v0.2.22
[INFO] [stderr]   Downloaded anstyle v1.0.4
[INFO] [stderr]   Downloaded xattr v1.0.1
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.1
[INFO] [stderr]   Downloaded clap_derive v4.4.7
[INFO] [stderr]   Downloaded ades v0.1.7
[INFO] [stderr]   Downloaded aoko v0.3.0-alpha.24
[INFO] [stderr]   Downloaded anstyle-parse v0.2.2
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded tar v0.4.40
[INFO] [stderr]   Downloaded openssl-sys v0.9.95
[INFO] [stderr]   Downloaded clap v4.4.7
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded anstream v0.6.4
[INFO] [stderr]   Downloaded minstant v0.1.4
[INFO] [stderr]   Downloaded clap_builder v4.4.7
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded openssl v0.10.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d95b63da285d5585c1e58d6190159a7cb595b4e6d91a6884ec2907ad77cf74d5
[INFO] running `Command { std: "docker" "start" "-a" "d95b63da285d5585c1e58d6190159a7cb595b4e6d91a6884ec2907ad77cf74d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95b63da285d5585c1e58d6190159a7cb595b4e6d91a6884ec2907ad77cf74d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95b63da285d5585c1e58d6190159a7cb595b4e6d91a6884ec2907ad77cf74d5", kill_on_drop: false }`
[INFO] [stdout] d95b63da285d5585c1e58d6190159a7cb595b4e6d91a6884ec2907ad77cf74d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e96a0492442e36064642181d219033152ed6055821ce146df7f4b9fc4d210d60
[INFO] running `Command { std: "docker" "start" "-a" "e96a0492442e36064642181d219033152ed6055821ce146df7f4b9fc4d210d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aoko v0.2.22
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking minstant v0.1.4
[INFO] [stderr]     Checking aoko v0.3.0-alpha.24
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/aoko-0.3.0-alpha.24/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(impl_trait_in_fn_trait_return)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `return_position_impl_trait_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoko` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e96a0492442e36064642181d219033152ed6055821ce146df7f4b9fc4d210d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96a0492442e36064642181d219033152ed6055821ce146df7f4b9fc4d210d60", kill_on_drop: false }`
[INFO] [stdout] e96a0492442e36064642181d219033152ed6055821ce146df7f4b9fc4d210d60