[INFO] updating cached repository https://github.com/camhux/burn
[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] 8c036de0baffd7fd13891018fc6ba9a7904058fc
[INFO] checking camhux/burn against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamhux%2Fburn" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camhux/burn on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/camhux/burn
[INFO] finished tweaking git repo https://github.com/camhux/burn
[INFO] tweaked toml for git repo https://github.com/camhux/burn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/camhux/burn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 63abfe2c9a68c00e68417eda33fec340e9bca0ed15b0e60bc42078ac4bb11bc4
[INFO] running `"docker" "start" "-a" "63abfe2c9a68c00e68417eda33fec340e9bca0ed15b0e60bc42078ac4bb11bc4"`
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking burn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use termion::raw::IntoRawMode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `state::FireState`
[INFO] [stderr]  --> src/layers.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use state::FireState;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layers.rs:59:40
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn composite(&self, layers: &[&Layerable]) -> Vec<Vec<u8>> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Layerable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layers.rs:78:53
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn intermediate_composite(&self, layers: &[&Layerable]) -> IntermediateLayer {
[INFO] [stderr]    |                                                     ^^^^^^^^^ help: use `dyn`: `dyn Layerable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SmokeLayer`
[INFO] [stderr]  --> src/state/mod.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::smoke_state::{SmokeState, SmokeLayer};
[INFO] [stderr]   |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Layerable`
[INFO] [stderr]   --> src/main.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 | use layers::{BasicLayer, Compositor, Layerable};
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FireLayer`, `FireState`
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | use state::{FireState, FireLayer};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |             println!("{}", error.description());
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use termion::raw::IntoRawMode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `state::FireState`
[INFO] [stderr]  --> src/layers.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use state::FireState;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layers.rs:59:40
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn composite(&self, layers: &[&Layerable]) -> Vec<Vec<u8>> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn Layerable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layers.rs:78:53
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn intermediate_composite(&self, layers: &[&Layerable]) -> IntermediateLayer {
[INFO] [stderr]    |                                                     ^^^^^^^^^ help: use `dyn`: `dyn Layerable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SmokeLayer`
[INFO] [stderr]  --> src/state/mod.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::smoke_state::{SmokeState, SmokeLayer};
[INFO] [stderr]   |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Layerable`
[INFO] [stderr]   --> src/main.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 | use layers::{BasicLayer, Compositor, Layerable};
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FireLayer`, `FireState`
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | use state::{FireState, FireLayer};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |             println!("{}", error.description());
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `row`
[INFO] [stderr]   --> src/state/fire_state.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     row: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `col`
[INFO] [stderr]   --> src/state/fire_state.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     col: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fire_in_neighborhood`
[INFO] [stderr]   --> src/state/fire_state.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn fire_in_neighborhood(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_can_unlink_file`
[INFO] [stderr]    --> src/main.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn check_can_unlink_file(file: fs::File) -> Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/state/fire_state.rs:71:56
[INFO] [stderr]    |
[INFO] [stderr] 71 |         [self.top, self.right, self.bottom, self.left].into_iter().filter(|&&cell| if let FireCell::Lit {..} = cell { true } else { false }).count()
[INFO] [stderr]    |                                                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `map` found for reference `&'static [u8; 7]` in the current scope
[INFO] [stderr]    --> src/layers.rs:116:24
[INFO] [stderr]     |
[INFO] [stderr] 116 |             b"bonjour".map(|&x| Some(x)).collect(),
[INFO] [stderr]     |                        ^^^ method not found in `&'static [u8; 7]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `map` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `&'static [u8; 7]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut &'static [u8; 7]: std::iter::Iterator`
[INFO] [stderr]             `[u8; 7]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut [u8; 7]: std::iter::Iterator`
[INFO] [stderr]             `[u8]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut [u8]: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `map` found for reference `&'static [u8; 4]` in the current scope
[INFO] [stderr]    --> src/layers.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |             b"allo".map(|&x| Some(x)).collect(),
[INFO] [stderr]     |                     ^^^ method not found in `&'static [u8; 4]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `map` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `&'static [u8; 4]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut &'static [u8; 4]: std::iter::Iterator`
[INFO] [stderr]             `[u8; 4]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut [u8; 4]: std::iter::Iterator`
[INFO] [stderr]             `[u8]: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut [u8]: std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/layers.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             features,
[INFO] [stderr]     |             ^^^^^^^^ expected struct `std::string::String`, found `u8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::vec::Vec<std::vec::Vec<std::option::Option<std::string::String>>>`
[INFO] [stderr]                found struct `std::vec::Vec<std::vec::Vec<std::option::Option<u8>>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/layers.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         assert_eq!(layer.get(0, 2), Some(b'n'));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found `u8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<std::string::String>`
[INFO] [stderr]                found enum `std::option::Option<u8>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/layers.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         assert_eq!(layer.get(1, 0), Some(b'a'));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found `u8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<std::string::String>`
[INFO] [stderr]                found enum `std::option::Option<u8>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/state/fire_state.rs:220:90
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let fire_cell_count = last_row.into_iter().fold(0, |acc, &mut cell| match cell { Some(_) => acc + 1, None => acc });
[INFO] [stderr]     |                                                                                   ----   ^^^^^^^ expected enum `state::fire_state::FireCell`, found enum `std::option::Option`
[INFO] [stderr]     |                                                                                   |
[INFO] [stderr]     |                                                                                   this expression has type `state::fire_state::FireCell`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `state::fire_state::FireCell`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/state/fire_state.rs:220:110
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let fire_cell_count = last_row.into_iter().fold(0, |acc, &mut cell| match cell { Some(_) => acc + 1, None => acc });
[INFO] [stderr]     |                                                                                   ----                       ^^^^ expected enum `state::fire_state::FireCell`, found enum `std::option::Option`
[INFO] [stderr]     |                                                                                   |
[INFO] [stderr]     |                                                                                   this expression has type `state::fire_state::FireCell`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `state::fire_state::FireCell`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `burn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63abfe2c9a68c00e68417eda33fec340e9bca0ed15b0e60bc42078ac4bb11bc4"`
[INFO] running `"docker" "rm" "-f" "63abfe2c9a68c00e68417eda33fec340e9bca0ed15b0e60bc42078ac4bb11bc4"`
[INFO] [stdout] 63abfe2c9a68c00e68417eda33fec340e9bca0ed15b0e60bc42078ac4bb11bc4
