[INFO] cloning repository https://github.com/abigger87/programming_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abigger87/programming_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2Fprogramming_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2Fprogramming_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5cc9102a296b68a428644c34a28d9b832eab70b
[INFO] checking abigger87/programming_rust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2Fprogramming_rust" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abigger87/programming_rust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abigger87/programming_rust
[INFO] finished tweaking git repo https://github.com/abigger87/programming_rust
[INFO] tweaked toml for git repo https://github.com/abigger87/programming_rust written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/abigger87/programming_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e82b1d72e1bc5acb38936e5bcdbff659f77a707483079786a89c2b10e0f6160
[INFO] running `Command { std: "docker" "start" "-a" "5e82b1d72e1bc5acb38936e5bcdbff659f77a707483079786a89c2b10e0f6160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e82b1d72e1bc5acb38936e5bcdbff659f77a707483079786a89c2b10e0f6160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e82b1d72e1bc5acb38936e5bcdbff659f77a707483079786a89c2b10e0f6160", kill_on_drop: false }`
[INFO] [stdout] 5e82b1d72e1bc5acb38936e5bcdbff659f77a707483079786a89c2b10e0f6160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2888157ad16497d044456f911f5b864379fc99fe525d4ba4d35c1d13a2a0cca7
[INFO] running `Command { std: "docker" "start" "-a" "2888157ad16497d044456f911f5b864379fc99fe525d4ba4d35c1d13a2a0cca7", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stdout] warning: unused import: `main`
[INFO] [stdout]   --> hello/src/lib.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::{gcd, main};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> hello/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking programming_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "2888157ad16497d044456f911f5b864379fc99fe525d4ba4d35c1d13a2a0cca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2888157ad16497d044456f911f5b864379fc99fe525d4ba4d35c1d13a2a0cca7", kill_on_drop: false }`
[INFO] [stdout] 2888157ad16497d044456f911f5b864379fc99fe525d4ba4d35c1d13a2a0cca7