[INFO] cloning repository https://github.com/rednithin/RustCompetitiveEnv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rednithin/RustCompetitiveEnv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FRustCompetitiveEnv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FRustCompetitiveEnv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07a92b3198ff0be5e8e082fc0e570701a1508d91
[INFO] checking rednithin/RustCompetitiveEnv against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FRustCompetitiveEnv" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rednithin/RustCompetitiveEnv 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/rednithin/RustCompetitiveEnv
[INFO] finished tweaking git repo https://github.com/rednithin/RustCompetitiveEnv
[INFO] tweaked toml for git repo https://github.com/rednithin/RustCompetitiveEnv written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rednithin/RustCompetitiveEnv 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 54df456574a69ff53c215792d9ae94857234a81c0702cbd86e14c7b5cc638ad5
[INFO] running `Command { std: "docker" "start" "-a" "54df456574a69ff53c215792d9ae94857234a81c0702cbd86e14c7b5cc638ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54df456574a69ff53c215792d9ae94857234a81c0702cbd86e14c7b5cc638ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54df456574a69ff53c215792d9ae94857234a81c0702cbd86e14c7b5cc638ad5", kill_on_drop: false }`
[INFO] [stdout] 54df456574a69ff53c215792d9ae94857234a81c0702cbd86e14c7b5cc638ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0db55706abde3461dcf5a7a87b92c1d314622a0527d35fc64cce7cb5a8d6936e
[INFO] running `Command { std: "docker" "start" "-a" "0db55706abde3461dcf5a7a87b92c1d314622a0527d35fc64cce7cb5a8d6936e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust_competitive v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stdout] warning: function is never used: `find_kth_largest`
[INFO] [stdout]  --> src/competitive/kth.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_kth_largest(nums: &Vec<i32>, mut k: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/competitive/rand.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/competitive/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     b: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]  --> src/competitive/rand.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/competitive/rand.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/competitive/rand.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn next(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_kth_largest`
[INFO] [stdout]  --> src/competitive/kth.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_kth_largest(nums: &Vec<i32>, mut k: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/competitive/rand.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/competitive/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     b: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]  --> src/competitive/rand.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/competitive/rand.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/competitive/rand.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn next(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_competitive v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `find_kth_largest`
[INFO] [stdout]  --> src/competitive/kth.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_kth_largest(nums: &Vec<i32>, mut k: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/competitive/rand.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/competitive/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     b: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]  --> src/competitive/rand.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/competitive/rand.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/competitive/rand.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn next(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_kth_largest`
[INFO] [stdout]  --> src/competitive/kth.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_kth_largest(nums: &Vec<i32>, mut k: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/competitive/rand.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/competitive/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     b: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]  --> src/competitive/rand.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/competitive/rand.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/competitive/rand.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn next(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "0db55706abde3461dcf5a7a87b92c1d314622a0527d35fc64cce7cb5a8d6936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db55706abde3461dcf5a7a87b92c1d314622a0527d35fc64cce7cb5a8d6936e", kill_on_drop: false }`
[INFO] [stdout] 0db55706abde3461dcf5a7a87b92c1d314622a0527d35fc64cce7cb5a8d6936e