[INFO] updating cached repository https://github.com/foodhype/suggest_tree
[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] 4b5d22659c5505f0b92f50861f1ab9f4af9b18e8
[INFO] checking foodhype/suggest_tree against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoodhype%2Fsuggest_tree" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foodhype/suggest_tree 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/foodhype/suggest_tree
[INFO] finished tweaking git repo https://github.com/foodhype/suggest_tree
[INFO] tweaked toml for git repo https://github.com/foodhype/suggest_tree written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/foodhype/suggest_tree 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 131bd6fca8090b364927db64742b7081d9d73a00e24f633a81bf1bcfae23662a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "131bd6fca8090b364927db64742b7081d9d73a00e24f633a81bf1bcfae23662a"`
[INFO] [stderr]     Checking suggest_tree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]    --> src/main.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let path = Path::new("/usr/share/dict/words");
[INFO] [stderr]     |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     last_index: uint
[INFO] [stderr]   |                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                         - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] 14 |     children: HashMap<char, Box<CompletionTrie<'a>>>,
[INFO] [stderr] 15 |     completion_weights: HashMap<uint, uint>
[INFO] [stderr]    |                                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:15:39
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                         - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] 14 |     children: HashMap<char, Box<CompletionTrie<'a>>>,
[INFO] [stderr] 15 |     completion_weights: HashMap<uint, uint>
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add(&mut self, word: &str, index: uint) {
[INFO] [stderr]    |                                          ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:47:66
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<'a> CompletionTrie<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn get_indexes(& mut self, prefix: &str) -> Option<& HashMap<uint, uint>> {
[INFO] [stderr]    |                                                                  ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:47:72
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<'a> CompletionTrie<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn get_indexes(& mut self, prefix: &str) -> Option<& HashMap<uint, uint>> {
[INFO] [stderr]    |                                                                        ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:81:66
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl<'a> SuggestTree<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn get_weights(& mut self, prefix: &str) -> HashMap<&String, uint> {
[INFO] [stderr]    |                                                                  ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/main.rs:33:42
[INFO] [stderr]    |
[INFO] [stderr] 33 |             self.children.insert(letter, box CompletionTrie::new());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                       ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `suggest_tree`.
[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] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]    --> src/main.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let path = Path::new("/usr/share/dict/words");
[INFO] [stderr]     |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     last_index: uint
[INFO] [stderr]   |                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                         - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] 14 |     children: HashMap<char, Box<CompletionTrie<'a>>>,
[INFO] [stderr] 15 |     completion_weights: HashMap<uint, uint>
[INFO] [stderr]    |                                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:15:39
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                         - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] 14 |     children: HashMap<char, Box<CompletionTrie<'a>>>,
[INFO] [stderr] 15 |     completion_weights: HashMap<uint, uint>
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add(&mut self, word: &str, index: uint) {
[INFO] [stderr]    |                                          ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:47:66
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<'a> CompletionTrie<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn get_indexes(& mut self, prefix: &str) -> Option<& HashMap<uint, uint>> {
[INFO] [stderr]    |                                                                  ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:47:72
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<'a> CompletionTrie<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn get_indexes(& mut self, prefix: &str) -> Option<& HashMap<uint, uint>> {
[INFO] [stderr]    |                                                                        ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:81:66
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl<'a> SuggestTree<'a> {
[INFO] [stderr]    |        - help: you might be missing a type parameter: `, uint`
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn get_weights(& mut self, prefix: &str) -> HashMap<&String, uint> {
[INFO] [stderr]    |                                                                  ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/main.rs:33:42
[INFO] [stderr]    |
[INFO] [stderr] 33 |             self.children.insert(letter, box CompletionTrie::new());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct CompletionTrie<'a> {
[INFO] [stderr]    |                       ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: could not compile `suggest_tree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "131bd6fca8090b364927db64742b7081d9d73a00e24f633a81bf1bcfae23662a"`
[INFO] running `"docker" "rm" "-f" "131bd6fca8090b364927db64742b7081d9d73a00e24f633a81bf1bcfae23662a"`
[INFO] [stdout] 131bd6fca8090b364927db64742b7081d9d73a00e24f633a81bf1bcfae23662a
