[INFO] cloning repository https://github.com/FR4NC1SC011/ADC2019-RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FR4NC1SC011/ADC2019-RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ff5b74807cf4ba8033bc4a7c6c455f38ae5be2
[INFO] checking FR4NC1SC011/ADC2019-RUST against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FR4NC1SC011/ADC2019-RUST 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/FR4NC1SC011/ADC2019-RUST
[INFO] finished tweaking git repo https://github.com/FR4NC1SC011/ADC2019-RUST
[INFO] tweaked toml for git repo https://github.com/FR4NC1SC011/ADC2019-RUST written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/FR4NC1SC011/ADC2019-RUST 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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] b9594dcfd2c13aaf45007bfc6aae0a975bd004eaf0b5ee3d3930be635b22ebf0
[INFO] running `Command { std: "docker" "start" "-a" "b9594dcfd2c13aaf45007bfc6aae0a975bd004eaf0b5ee3d3930be635b22ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9594dcfd2c13aaf45007bfc6aae0a975bd004eaf0b5ee3d3930be635b22ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9594dcfd2c13aaf45007bfc6aae0a975bd004eaf0b5ee3d3930be635b22ebf0", kill_on_drop: false }`
[INFO] [stdout] b9594dcfd2c13aaf45007bfc6aae0a975bd004eaf0b5ee3d3930be635b22ebf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] e120a40aad751f5736399222ea95cfeef420f992bfb40220319e1f7ab545ba0a
[INFO] running `Command { std: "docker" "start" "-a" "e120a40aad751f5736399222ea95cfeef420f992bfb40220319e1f7ab545ba0a", 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]     Checking ADC2019-RUST v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/second.rs (2 fixes)
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ADC2019-RUST v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "e120a40aad751f5736399222ea95cfeef420f992bfb40220319e1f7ab545ba0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e120a40aad751f5736399222ea95cfeef420f992bfb40220319e1f7ab545ba0a", kill_on_drop: false }`
[INFO] [stdout] e120a40aad751f5736399222ea95cfeef420f992bfb40220319e1f7ab545ba0a