[INFO] cloning repository https://github.com/finn-rudolph/trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finn-rudolph/trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88695ec020803c597ddc0dddf06676c93438baa3
[INFO] checking finn-rudolph/trees against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/finn-rudolph/trees
[INFO] finished tweaking git repo https://github.com/finn-rudolph/trees
[INFO] tweaked toml for git repo https://github.com/finn-rudolph/trees written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/finn-rudolph/trees 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/finn-rudolph/trees 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 syn v2.0.109
[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] 9ed2169c23a2f9eadf66cb0d8775beb61cf2264818a94f280da5dc7d79fdaf8e
[INFO] running `Command { std: "docker" "start" "-a" "9ed2169c23a2f9eadf66cb0d8775beb61cf2264818a94f280da5dc7d79fdaf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed2169c23a2f9eadf66cb0d8775beb61cf2264818a94f280da5dc7d79fdaf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed2169c23a2f9eadf66cb0d8775beb61cf2264818a94f280da5dc7d79fdaf8e", kill_on_drop: false }`
[INFO] [stdout] 9ed2169c23a2f9eadf66cb0d8775beb61cf2264818a94f280da5dc7d79fdaf8e
[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] ba30bb2c51e8375bdd770dc857c7add46c43e6628db07a7157a89a30264c5709
[INFO] running `Command { std: "docker" "start" "-a" "ba30bb2c51e8375bdd770dc857c7add46c43e6628db07a7157a89a30264c5709", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Term`
[INFO] [stdout]  --> src/maps.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     term::{Term, TermRef},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Term`
[INFO] [stdout]  --> src/maps.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     term::{Term, TermRef},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trees` (bin "trees" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `trees` (bin "trees") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ba30bb2c51e8375bdd770dc857c7add46c43e6628db07a7157a89a30264c5709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba30bb2c51e8375bdd770dc857c7add46c43e6628db07a7157a89a30264c5709", kill_on_drop: false }`
[INFO] [stdout] ba30bb2c51e8375bdd770dc857c7add46c43e6628db07a7157a89a30264c5709
