[INFO] cloning repository https://github.com/meineac/hw2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meineac/hw2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeineac%2Fhw2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeineac%2Fhw2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e116f840a095bd1b855ee416ba9619bccde0ed2
[INFO] fixing meineac/hw2 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeineac%2Fhw2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meineac/hw2
[INFO] finished tweaking git repo https://github.com/meineac/hw2
[INFO] tweaked toml for git repo https://github.com/meineac/hw2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meineac/hw2 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meineac/hw2 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d
[INFO] running `Command { std: "docker" "start" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking hw2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused variable: `s`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn find_collision(s: &str, p: u32, m: u64) -> String {
[INFO] [stdout]   |                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-F unused-variables` implied by `-F warnings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused variable: `p`
[INFO] [stdout]  --> src/lib.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn find_collision(s: &str, p: u32, m: u64) -> String {
[INFO] [stdout]   |                                ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused variable: `m`
[INFO] [stdout]  --> src/lib.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn find_collision(s: &str, p: u32, m: u64) -> String {
[INFO] [stdout]   |                                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant `ALPHABET` is never used
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const ALPHABET: std::ops::RangeInclusive<u8> = b'a'..=b'z';
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-F dead-code` implied by `-F warnings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hw2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d", kill_on_drop: false }`
[INFO] [stdout] 5a483c9d26b6b79fad6ae5e87d278cc88503e22049d5af858bba25c0449b831d
