[INFO] cloning repository https://github.com/rtfeldman/rbt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtfeldman/rbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtfeldman%2Frbt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtfeldman%2Frbt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 083799c4af779b04e0484ca9b142ac9aeea3f29f [INFO] checking rtfeldman/rbt against try#901d6c1c62d7c61e05469e996c297476078ee06b for pr-157082 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtfeldman%2Frbt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rtfeldman/rbt [INFO] finished tweaking git repo https://github.com/rtfeldman/rbt [INFO] tweaked toml for git repo https://github.com/rtfeldman/rbt written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rtfeldman/rbt on toolchain 901d6c1c62d7c61e05469e996c297476078ee06b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rtfeldman/rbt 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" "+901d6c1c62d7c61e05469e996c297476078ee06b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5 [INFO] running `Command { std: "docker" "start" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.42 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Compiling serde_derive v1.0.143 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Checking futures-io v0.3.25 [INFO] [stderr] Compiling blake3 v1.3.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking clap_lex v0.3.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking filetime v0.2.17 [INFO] [stderr] Checking path-dedot v3.0.17 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling rbt v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking concolor-query v0.0.5 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking concolor v0.0.8 [INFO] [stderr] Checking path-absolutize v3.0.13 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Checking roc_std v0.0.1 (/opt/rustwide/workdir/vendor/roc_std) [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking xxhash-rust v0.8.5 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stdout] warning: unexpected `cfg` condition value: `no_std` [INFO] [stdout] --> vendor/roc_std/src/roc_str.rs:556:11 [INFO] [stdout] | [INFO] [stdout] 556 | #[cfg(not(feature = "no_std"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` and `std` [INFO] [stdout] = help: consider adding `no_std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `core_intrinsics`: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library [INFO] [stdout] --> vendor/roc_std/src/roc_list.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | intrinsics::copy_nonoverlapping, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `roc_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" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5", kill_on_drop: false }` [INFO] [stdout] 03343216f7dd2465c29c67cd60b495728f7b692dd24349b954255eeb2eb66de5