[INFO] cloning repository https://github.com/AgeOfWar/crossword
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AgeOfWar/crossword" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgeOfWar%2Fcrossword", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgeOfWar%2Fcrossword'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2abffe938ee7d95a07c124c8ef6c0835c498eab7
[INFO] testing AgeOfWar/crossword against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgeOfWar%2Fcrossword" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AgeOfWar/crossword on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AgeOfWar/crossword
[INFO] finished tweaking git repo https://github.com/AgeOfWar/crossword
[INFO] tweaked toml for git repo https://github.com/AgeOfWar/crossword written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AgeOfWar/crossword 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 716d8930001116b8253dc58734c8a6ce85ebc49d137d4354370272b05a9648e6
[INFO] running `Command { std: "docker" "start" "-a" "716d8930001116b8253dc58734c8a6ce85ebc49d137d4354370272b05a9648e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "716d8930001116b8253dc58734c8a6ce85ebc49d137d4354370272b05a9648e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716d8930001116b8253dc58734c8a6ce85ebc49d137d4354370272b05a9648e6", kill_on_drop: false }`
[INFO] [stdout] 716d8930001116b8253dc58734c8a6ce85ebc49d137d4354370272b05a9648e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f7bd9c4584a7d3498d73224b8c9ecf202b89e7d0349bcdfc7617ea868286db
[INFO] running `Command { std: "docker" "start" "-a" "87f7bd9c4584a7d3498d73224b8c9ecf202b89e7d0349bcdfc7617ea868286db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossword v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut result = self.find_reverse(word);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `result`
[INFO] [stdout]   --> src/trie.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut result = self.find_reverse(word);
[INFO] [stdout]    |             ---------- move occurs because `result` has type `Vec<Vec<usize>>`, which does not implement the `Copy` trait
[INFO] [stdout] 34 |         for mut word in result {
[INFO] [stdout]    |                         ------ `result` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] ...
[INFO] [stdout] 37 |         result
[INFO] [stdout]    |         ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `result`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/iter/traits/collect.rs:268:18
[INFO] [stdout] help: consider iterating over a slice of the `Vec<Vec<usize>>`'s content to avoid moving into the `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for mut word in &result {
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = self.find_reverse_random(word, rng);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `result`
[INFO] [stdout]   --> src/trie.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = self.find_reverse_random(word, rng);
[INFO] [stdout]    |             ---------- move occurs because `result` has type `Vec<Vec<usize>>`, which does not implement the `Copy` trait
[INFO] [stdout] 75 |         for mut word in result {
[INFO] [stdout]    |                         ------ `result` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] ...
[INFO] [stdout] 78 |         result
[INFO] [stdout]    |         ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `result`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/iter/traits/collect.rs:268:18
[INFO] [stdout] help: consider iterating over a slice of the `Vec<Vec<usize>>`'s content to avoid moving into the `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for mut word in &result {
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*word` which is behind a mutable reference
[INFO] [stdout]    --> src/trie.rs:157:37
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         return Some(*word);
[INFO] [stdout]     |                                     ^^^^^ move occurs because `*word` has type `Vec<usize>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*word` which is behind a mutable reference
[INFO] [stdout]    --> src/trie.rs:166:37
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         return Some(*word);
[INFO] [stdout]     |                                     ^^^^^ move occurs because `*word` has type `Vec<usize>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossword` (bin "crossword") due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "87f7bd9c4584a7d3498d73224b8c9ecf202b89e7d0349bcdfc7617ea868286db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f7bd9c4584a7d3498d73224b8c9ecf202b89e7d0349bcdfc7617ea868286db", kill_on_drop: false }`
[INFO] [stdout] 87f7bd9c4584a7d3498d73224b8c9ecf202b89e7d0349bcdfc7617ea868286db
[INFO] testing AgeOfWar/crossword against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgeOfWar%2Fcrossword" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AgeOfWar/crossword on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AgeOfWar/crossword
[INFO] finished tweaking git repo https://github.com/AgeOfWar/crossword
[INFO] tweaked toml for git repo https://github.com/AgeOfWar/crossword written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AgeOfWar/crossword 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b67e310f96d708cf0c8c1bc1e7d62c3a2274dc49b2c10178abc702f1e84d241
[INFO] running `Command { std: "docker" "start" "-a" "5b67e310f96d708cf0c8c1bc1e7d62c3a2274dc49b2c10178abc702f1e84d241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b67e310f96d708cf0c8c1bc1e7d62c3a2274dc49b2c10178abc702f1e84d241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b67e310f96d708cf0c8c1bc1e7d62c3a2274dc49b2c10178abc702f1e84d241", kill_on_drop: false }`
[INFO] [stdout] 5b67e310f96d708cf0c8c1bc1e7d62c3a2274dc49b2c10178abc702f1e84d241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e435986715af1c09f35e45edcd79b7f10efac13629ca911bdde9cbb831ce865
[INFO] running `Command { std: "docker" "start" "-a" "8e435986715af1c09f35e45edcd79b7f10efac13629ca911bdde9cbb831ce865", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossword v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut result = self.find_reverse(word);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `result`
[INFO] [stdout]   --> src/trie.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut result = self.find_reverse(word);
[INFO] [stdout]    |             ---------- move occurs because `result` has type `Vec<Vec<usize>>`, which does not implement the `Copy` trait
[INFO] [stdout] 34 |         for mut word in result {
[INFO] [stdout]    |                         ------ `result` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] ...
[INFO] [stdout] 37 |         result
[INFO] [stdout]    |         ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `result`
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/iter/traits/collect.rs:268:18
[INFO] [stdout] help: consider iterating over a slice of the `Vec<Vec<usize>>`'s content to avoid moving into the `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for mut word in &result {
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = self.find_reverse_random(word, rng);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `result`
[INFO] [stdout]   --> src/trie.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = self.find_reverse_random(word, rng);
[INFO] [stdout]    |             ---------- move occurs because `result` has type `Vec<Vec<usize>>`, which does not implement the `Copy` trait
[INFO] [stdout] 75 |         for mut word in result {
[INFO] [stdout]    |                         ------ `result` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] ...
[INFO] [stdout] 78 |         result
[INFO] [stdout]    |         ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `result`
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/iter/traits/collect.rs:268:18
[INFO] [stdout] help: consider iterating over a slice of the `Vec<Vec<usize>>`'s content to avoid moving into the `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for mut word in &result {
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*word` which is behind a mutable reference
[INFO] [stdout]    --> src/trie.rs:157:37
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         return Some(*word);
[INFO] [stdout]     |                                     ^^^^^ move occurs because `*word` has type `Vec<usize>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*word` which is behind a mutable reference
[INFO] [stdout]    --> src/trie.rs:166:37
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         return Some(*word);
[INFO] [stdout]     |                                     ^^^^^ move occurs because `*word` has type `Vec<usize>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossword` (bin "crossword") due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8e435986715af1c09f35e45edcd79b7f10efac13629ca911bdde9cbb831ce865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e435986715af1c09f35e45edcd79b7f10efac13629ca911bdde9cbb831ce865", kill_on_drop: false }`
[INFO] [stdout] 8e435986715af1c09f35e45edcd79b7f10efac13629ca911bdde9cbb831ce865
