[INFO] cloning repository https://github.com/saying121/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saying121/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaying121%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaying121%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f40744af2ecea88e192f26a4b0eda93a06890d
[INFO] checking saying121/rlox against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaying121%2Frlox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/saying121/rlox
[INFO] finished tweaking git repo https://github.com/saying121/rlox
[INFO] tweaked toml for git repo https://github.com/saying121/rlox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saying121/rlox 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 git repo https://github.com/saying121/rlox 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sval_ref v2.13.2
[INFO] [stderr]   Downloaded value-bag-serde1 v1.10.0
[INFO] [stderr]   Downloaded sval_dynamic v2.13.2
[INFO] [stderr]   Downloaded sval_json v2.13.2
[INFO] [stderr]   Downloaded value-bag-sval2 v1.10.0
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_nested v2.13.2
[INFO] [stderr]   Downloaded sval_buffer v2.13.2
[INFO] [stderr]   Downloaded sval v2.13.2
[INFO] [stderr]   Downloaded sval_serde v2.13.2
[INFO] [stderr]   Downloaded log v0.4.24
[INFO] [stderr]   Downloaded bitflags v2.7.0
[INFO] [stderr]   Downloaded snafu-derive v0.8.5
[INFO] [stderr]   Downloaded snafu v0.8.5
[INFO] [stderr]   Downloaded rustyline v15.0.0
[INFO] [stderr]   Downloaded sval_fmt v2.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b157b338a0857961b752b7e29197ac7150ff1be8ee61a0571eacb657f8fee487
[INFO] running `Command { std: "docker" "start" "-a" "b157b338a0857961b752b7e29197ac7150ff1be8ee61a0571eacb657f8fee487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b157b338a0857961b752b7e29197ac7150ff1be8ee61a0571eacb657f8fee487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b157b338a0857961b752b7e29197ac7150ff1be8ee61a0571eacb657f8fee487", kill_on_drop: false }`
[INFO] [stdout] b157b338a0857961b752b7e29197ac7150ff1be8ee61a0571eacb657f8fee487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b9139719c1aaf32e88be735a7bc881edc34c2f5a46f5ce96083f9fc9cf92cfb7
[INFO] running `Command { std: "docker" "start" "-a" "b9139719c1aaf32e88be735a7bc881edc34c2f5a46f5ce96083f9fc9cf92cfb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking bitflags v2.7.0
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking log v0.4.24
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling test-generator v0.3.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking rustyline v15.0.0
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking snafu v0.8.5
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir/crates/rlox)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[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 `rlox` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b9139719c1aaf32e88be735a7bc881edc34c2f5a46f5ce96083f9fc9cf92cfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9139719c1aaf32e88be735a7bc881edc34c2f5a46f5ce96083f9fc9cf92cfb7", kill_on_drop: false }`
[INFO] [stdout] b9139719c1aaf32e88be735a7bc881edc34c2f5a46f5ce96083f9fc9cf92cfb7
