[INFO] updating cached repository https://github.com/rail44/spectr [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60d2460ebc0999828d37420c964be83cf1e8bc03 [INFO] checking rail44/spectr against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fspectr" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rail44/spectr on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rail44/spectr [INFO] finished tweaking git repo https://github.com/rail44/spectr [INFO] tweaked toml for git repo https://github.com/rail44/spectr written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/rail44/spectr already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 91b38f4e3671248c79ce3b0132898cb78bb288324ff18c16ecf535c7a61f2ce6 [INFO] running `"docker" "start" "-a" "91b38f4e3671248c79ce3b0132898cb78bb288324ff18c16ecf535c7a61f2ce6"` [INFO] [stderr] Compiling cc v1.0.42 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Compiling synstructure v0.12.1 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking spctr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:50:40 [INFO] [stderr] | [INFO] [stderr] 50 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:70:40 [INFO] [stderr] | [INFO] [stderr] 70 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:88:40 [INFO] [stderr] | [INFO] [stderr] 88 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:101:40 [INFO] [stderr] | [INFO] [stderr] 101 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:120:49 [INFO] [stderr] | [INFO] [stderr] 120 | let result = eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:133:49 [INFO] [stderr] | [INFO] [stderr] 133 | let result = eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:153:40 [INFO] [stderr] | [INFO] [stderr] 153 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:177:40 [INFO] [stderr] | [INFO] [stderr] 177 | eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/json.rs:43:63 [INFO] [stderr] | [INFO] [stderr] 43 | let result = stack::eval(&stack::get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/list.rs:52:49 [INFO] [stderr] | [INFO] [stderr] 52 | let result = eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/map.rs:56:49 [INFO] [stderr] | [INFO] [stderr] 56 | let result = eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/map.rs:72:49 [INFO] [stderr] | [INFO] [stderr] 72 | let result = eval(&get_stack(ast).unwrap(), &mut Env::root()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut stack::Env` [INFO] [stderr] | help: consider removing the borrow: `Env::root()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/string.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | let result = eval(&get_stack(ast).unwrap(), &mut Default::default()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `stack::Env`, found `&mut _` [INFO] [stderr] | help: consider removing the borrow: `Default::default()` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `stack::Env` [INFO] [stderr] found mutable reference `&mut _` [INFO] [stderr] [INFO] [stderr] error: aborting due to 13 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `spctr`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/stack.rs:135:24 [INFO] [stderr] | [INFO] [stderr] 135 | pub fn eval(&self, mut env: Env) -> Result { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "91b38f4e3671248c79ce3b0132898cb78bb288324ff18c16ecf535c7a61f2ce6"` [INFO] running `"docker" "rm" "-f" "91b38f4e3671248c79ce3b0132898cb78bb288324ff18c16ecf535c7a61f2ce6"` [INFO] [stdout] 91b38f4e3671248c79ce3b0132898cb78bb288324ff18c16ecf535c7a61f2ce6