[INFO] cloning repository https://github.com/williamhammond/leet_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williamhammond/leet_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhammond%2Fleet_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhammond%2Fleet_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eadcbed07f40d11b6edac79b7247a1c148492ad5
[INFO] checking williamhammond/leet_code against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhammond%2Fleet_code" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williamhammond/leet_code on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/williamhammond/leet_code
[INFO] finished tweaking git repo https://github.com/williamhammond/leet_code
[INFO] tweaked toml for git repo https://github.com/williamhammond/leet_code written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/williamhammond/leet_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54acb53379be75fce5abfb3f3af11b385a76c546ce6d4ce80f2a9599fc8c368
[INFO] running `Command { std: "docker" "start" "-a" "b54acb53379be75fce5abfb3f3af11b385a76c546ce6d4ce80f2a9599fc8c368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54acb53379be75fce5abfb3f3af11b385a76c546ce6d4ce80f2a9599fc8c368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54acb53379be75fce5abfb3f3af11b385a76c546ce6d4ce80f2a9599fc8c368", kill_on_drop: false }`
[INFO] [stdout] b54acb53379be75fce5abfb3f3af11b385a76c546ce6d4ce80f2a9599fc8c368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a6c8e40634a48c97d4af41cb278630f4dcb9580a505975aa17071b22e9853b
[INFO] running `Command { std: "docker" "start" "-a" "e0a6c8e40634a48c97d4af41cb278630f4dcb9580a505975aa17071b22e9853b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking leet_code v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating minimum_window_substring/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating fancy_sequence/src/main.rs from 2018 edition to 2021
[INFO] [stderr] error: could not find .rs file in rustc args
[INFO] [stderr] error: could not find .rs file in rustc args
[INFO] [stderr] error: could not find .rs file in rustc args
[INFO] [stderr] error: could not compile `leet_code`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not find .rs file in rustc args
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> minimum_window_substring/src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Solution{}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_window`
[INFO] [stdout]   --> minimum_window_substring/src/main.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn min_window(s: String, t: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOD`
[INFO] [stdout]  --> fancy_sequence/src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MOD: usize = 1000000007;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn append(&self, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_all`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn add_all(&mut self, inc: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mult_all`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn mult_all(&mut self, m: i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_index`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_index(&self, idx: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pow_mod`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn pow_mod(&self, base: usize, exp: usize, modulo: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mod_mult`
[INFO] [stdout]   --> fancy_sequence/src/main.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn mod_mult(&self, a: usize , b: usize, m: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> fancy_sequence/src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert!(exp >= 0);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed fancy_sequence/src/tests.rs (1 fix)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> fancy_sequence/src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert!(exp >= 0);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "e0a6c8e40634a48c97d4af41cb278630f4dcb9580a505975aa17071b22e9853b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a6c8e40634a48c97d4af41cb278630f4dcb9580a505975aa17071b22e9853b", kill_on_drop: false }`
[INFO] [stdout] e0a6c8e40634a48c97d4af41cb278630f4dcb9580a505975aa17071b22e9853b