[INFO] cloning repository https://github.com/fitzgen/rust-words
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fitzgen/rust-words" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Frust-words", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Frust-words'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e230a7414ad9761ed39b02d220bb94b99ad81db
[INFO] checking fitzgen/rust-words against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Frust-words" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fitzgen/rust-words
[INFO] finished tweaking git repo https://github.com/fitzgen/rust-words
[INFO] tweaked toml for git repo https://github.com/fitzgen/rust-words written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fitzgen/rust-words on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fitzgen/rust-words 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0930a2898b19412f8386e206d6535bc30aff134c831332ed58d4b96f5f62c72
[INFO] running `Command { std: "docker" "start" "-a" "d0930a2898b19412f8386e206d6535bc30aff134c831332ed58d4b96f5f62c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0930a2898b19412f8386e206d6535bc30aff134c831332ed58d4b96f5f62c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0930a2898b19412f8386e206d6535bc30aff134c831332ed58d4b96f5f62c72", kill_on_drop: false }`
[INFO] [stdout] d0930a2898b19412f8386e206d6535bc30aff134c831332ed58d4b96f5f62c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f6728833a2963131796b2ec59f69ea88559a5be417ebd6e473a3230ca84a1d8
[INFO] running `Command { std: "docker" "start" "-a" "5f6728833a2963131796b2ec59f69ea88559a5be417ebd6e473a3230ca84a1d8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking words v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_or_modify(self, k: K, v: V, modify: &mut |V| -> V) -> Tree<K, V> {
[INFO] [stdout]    |                                                            ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn insert_or_modify(self, k: K, v: V, modify: &mut |V| -> V) -> Tree<K, V> {
[INFO] [stdout]    |                                                            ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   left: box Tree::Null,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 28 -                                        left: box Tree::Null,
[INFO] [stdout] 28 +                                        left: Box::new(Tree::Null),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   right: box Tree::Null
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 29 -                                        right: box Tree::Null
[INFO] [stdout] 29 +                                        right: Box::new(Tree::Null)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   left: box left.insert_or_modify(k, v, modify),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 40 -                                          left: box left.insert_or_modify(k, v, modify),
[INFO] [stdout] 40 +                                          left: Box::new(left.insert_or_modify(k, v, modify)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:46:52
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   right: box right.insert_or_modify(k, v, modify)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 46 -                                             right: box right.insert_or_modify(k, v, modify)
[INFO] [stdout] 46 +                                             right: Box::new(right.insert_or_modify(k, v, modify))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a trailing `|` is not allowed in an or-pattern
[INFO] [stdout]   --> src/my_tree.rs:58:39
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                     --^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     while parsing this or-pattern starting here
[INFO] [stdout]    |
[INFO] [stdout] help: remove the `|`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout] 58 +     pub fn each(&self, f: &mut |&K, &V) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   left: box Tree::Null,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 28 -                                        left: box Tree::Null,
[INFO] [stdout] 28 +                                        left: Box::new(Tree::Null),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   right: box Tree::Null
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 29 -                                        right: box Tree::Null
[INFO] [stdout] 29 +                                        right: Box::new(Tree::Null)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   left: box left.insert_or_modify(k, v, modify),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 40 -                                          left: box left.insert_or_modify(k, v, modify),
[INFO] [stdout] 40 +                                          left: Box::new(left.insert_or_modify(k, v, modify)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/my_tree.rs:46:52
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   right: box right.insert_or_modify(k, v, modify)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 46 -                                             right: box right.insert_or_modify(k, v, modify)
[INFO] [stdout] 46 +                                             right: Box::new(right.insert_or_modify(k, v, modify))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: a trailing `|` is not allowed in an or-pattern
[INFO] [stdout]   --> src/my_tree.rs:58:39
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                     --^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     while parsing this or-pattern starting here
[INFO] [stdout]    |
[INFO] [stdout] help: remove the `|`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout] 58 +     pub fn each(&self, f: &mut |&K, &V) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `:`, found `)`
[INFO] [stdout]   --> src/my_tree.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                        ^ expected `:`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut assert_no_modify : |uint| -> uint = |_| { assert!(false); 0u };
[INFO] [stdout]    |                              - ^ expected type
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              while parsing the type for the binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut assert_no_modify : |uint| -> uint = |_| { assert!(false); 0u };
[INFO] [stdout]    |                              - ^ expected type
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              while parsing the type for the binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `:`, found `)`
[INFO] [stdout]   --> src/my_tree.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn each(&self, f: &mut |&K, &V|) {
[INFO] [stdout]    |                                        ^ expected `:`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut assert_no_modify : |uint| -> uint = |_| { assert!(false); 0u };
[INFO] [stdout]    |                              - ^ expected type
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              while parsing the type for the binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/my_tree.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut assert_no_modify : |uint| -> uint = |_| { assert!(false); 0u };
[INFO] [stdout]    |                              - ^ expected type
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              while parsing the type for the binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoErrorKind`
[INFO] [stdout]  --> src/word_reader.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::IoErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^-----------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `ErrorKind`
[INFO] [stdout]   |     no `IoErrorKind` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoErrorKind`
[INFO] [stdout]  --> src/word_reader.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::IoErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^-----------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `ErrorKind`
[INFO] [stdout]   |     no `IoErrorKind` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `words` (bin "words") due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `words` (bin "words" test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f6728833a2963131796b2ec59f69ea88559a5be417ebd6e473a3230ca84a1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6728833a2963131796b2ec59f69ea88559a5be417ebd6e473a3230ca84a1d8", kill_on_drop: false }`
[INFO] [stdout] 5f6728833a2963131796b2ec59f69ea88559a5be417ebd6e473a3230ca84a1d8