[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 master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fspectr" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rail44/spectr on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] e32d50104239c6bf1293bfd9bed05899ec8ce011e779434b7f23aed3b3a4c15a
[INFO] running `"docker" "start" "-a" "e32d50104239c6bf1293bfd9bed05899ec8ce011e779434b7f23aed3b3a4c15a"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking clap v2.33.0
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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<Value, failure::Error> {
[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" "e32d50104239c6bf1293bfd9bed05899ec8ce011e779434b7f23aed3b3a4c15a"`
[INFO] running `"docker" "rm" "-f" "e32d50104239c6bf1293bfd9bed05899ec8ce011e779434b7f23aed3b3a4c15a"`
[INFO] [stdout] e32d50104239c6bf1293bfd9bed05899ec8ce011e779434b7f23aed3b3a4c15a
