[INFO] cloning repository https://github.com/Abhishek031-bit/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abhishek031-bit/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek031-bit%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek031-bit%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eeff1270ab3cc6a39c5b0cfe82b04f73db244ae7
[INFO] checking Abhishek031-bit/rust_basics against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek031-bit%2Frust_basics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/Abhishek031-bit/rust_basics
[INFO] finished tweaking git repo https://github.com/Abhishek031-bit/rust_basics
[INFO] tweaked toml for git repo https://github.com/Abhishek031-bit/rust_basics written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abhishek031-bit/rust_basics on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abhishek031-bit/rust_basics 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d8a1797301ba7bed7827395753765ae514d6e52fb5b89cc9999e0bfbf10a8f
[INFO] running `Command { std: "docker" "start" "-a" "91d8a1797301ba7bed7827395753765ae514d6e52fb5b89cc9999e0bfbf10a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d8a1797301ba7bed7827395753765ae514d6e52fb5b89cc9999e0bfbf10a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d8a1797301ba7bed7827395753765ae514d6e52fb5b89cc9999e0bfbf10a8f", kill_on_drop: false }`
[INFO] [stdout] 91d8a1797301ba7bed7827395753765ae514d6e52fb5b89cc9999e0bfbf10a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6c4bd6c6ccfb6c5e65175ec4dde46d990b5bcdaccabcb04e05c35193a9a914
[INFO] running `Command { std: "docker" "start" "-a" "8f6c4bd6c6ccfb6c5e65175ec4dde46d990b5bcdaccabcb04e05c35193a9a914", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/pg359_15.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut vec: Vec<()>;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/pg359_15.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut vec: Vec<()>;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "8f6c4bd6c6ccfb6c5e65175ec4dde46d990b5bcdaccabcb04e05c35193a9a914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6c4bd6c6ccfb6c5e65175ec4dde46d990b5bcdaccabcb04e05c35193a9a914", kill_on_drop: false }`
[INFO] [stdout] 8f6c4bd6c6ccfb6c5e65175ec4dde46d990b5bcdaccabcb04e05c35193a9a914
