[INFO] cloning repository https://github.com/spica314/neco3 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spica314/neco3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 646fcf82146cb0f76cfc9ff7a695b561de1a515d [INFO] checking spica314/neco3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/spica314/neco3 [INFO] finished tweaking git repo https://github.com/spica314/neco3 [INFO] tweaked toml for git repo https://github.com/spica314/neco3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/spica314/neco3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/spica314/neco3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc7f5dde67fac94482f741d0fc66b407da4c9b6ccf5a146dc81e08fe86ed2b1c [INFO] running `Command { std: "docker" "start" "-a" "bc7f5dde67fac94482f741d0fc66b407da4c9b6ccf5a146dc81e08fe86ed2b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc7f5dde67fac94482f741d0fc66b407da4c9b6ccf5a146dc81e08fe86ed2b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc7f5dde67fac94482f741d0fc66b407da4c9b6ccf5a146dc81e08fe86ed2b1c", kill_on_drop: false }` [INFO] [stdout] bc7f5dde67fac94482f741d0fc66b407da4c9b6ccf5a146dc81e08fe86ed2b1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bbcc972fa1826510ced5f89c687584e041287b258b94045887e4fef98eb2d7c [INFO] running `Command { std: "docker" "start" "-a" "5bbcc972fa1826510ced5f89c687584e041287b258b94045887e4fef98eb2d7c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking neco-table v0.1.0 (/opt/rustwide/workdir/src/neco-table) [INFO] [stderr] Checking neco-types-and-values v0.1.0 (/opt/rustwide/workdir/src/neco-types-and-values) [INFO] [stderr] Checking neco v0.1.0 (/opt/rustwide/workdir/src/neco) [INFO] [stderr] Checking neco-ir v0.1.0 (/opt/rustwide/workdir/src/neco-ir) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/neco-types-and-values/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/neco-types-and-values/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking neco-syn v0.1.0 (/opt/rustwide/workdir/src/neco-syn) [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/neco-types-and-values/src/bit_vector.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 33 | self.len() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::lazy` [INFO] [stdout] --> src/neco-syn/src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{lazy::OnceCell, path::PathBuf}; [INFO] [stdout] | ^^^^ could not find `lazy` in `std` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/neco-syn/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::lazy` [INFO] [stdout] --> src/neco-syn/src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{lazy::OnceCell, path::PathBuf}; [INFO] [stdout] | ^^^^ could not find `lazy` in `std` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/neco-syn/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/neco-types-and-values/src/bit_vector.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 33 | self.len() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `neco-syn` (lib) 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 `neco-syn` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5bbcc972fa1826510ced5f89c687584e041287b258b94045887e4fef98eb2d7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bbcc972fa1826510ced5f89c687584e041287b258b94045887e4fef98eb2d7c", kill_on_drop: false }` [INFO] [stdout] 5bbcc972fa1826510ced5f89c687584e041287b258b94045887e4fef98eb2d7c