[INFO] cloning repository https://github.com/billmal071/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/billmal071/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillmal071%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillmal071%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da48b53a4cea19441d33e425be49f3cb67384b84
[INFO] checking billmal071/rust_practice against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillmal071%2Frust_practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/billmal071/rust_practice
[INFO] finished tweaking git repo https://github.com/billmal071/rust_practice
[INFO] tweaked toml for git repo https://github.com/billmal071/rust_practice written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/billmal071/rust_practice on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/billmal071/rust_practice 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking billmal071/rust_practice against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillmal071%2Frust_practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/billmal071/rust_practice
[INFO] finished tweaking git repo https://github.com/billmal071/rust_practice
[INFO] tweaked toml for git repo https://github.com/billmal071/rust_practice written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/billmal071/rust_practice on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/billmal071/rust_practice 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d7faf4704c6f6b6979ad7db152599c6b59bfb95a76318c7464be3672198fb73
[INFO] running `Command { std: "docker" "start" "-a" "3d7faf4704c6f6b6979ad7db152599c6b59bfb95a76318c7464be3672198fb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d7faf4704c6f6b6979ad7db152599c6b59bfb95a76318c7464be3672198fb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7faf4704c6f6b6979ad7db152599c6b59bfb95a76318c7464be3672198fb73", kill_on_drop: false }`
[INFO] [stdout] 3d7faf4704c6f6b6979ad7db152599c6b59bfb95a76318c7464be3672198fb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb98a12c3a52498636d0291e157c95a889c89157d05035ee2dc47ceff2727fe
[INFO] running `Command { std: "docker" "start" "-a" "2fb98a12c3a52498636d0291e157c95a889c89157d05035ee2dc47ceff2727fe", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid format string: expected `}`, found `(`
[INFO] [stdout]    --> src/main.rs:193:36
[INFO] [stdout]     |
[INFO] [stdout] 193 |     println!("{minimum_pair_removal(vec![5 ,2, 4])}:#?");
[INFO] [stdout]     |               -                    ^ expected `}` in format string
[INFO] [stdout]     |               |
[INFO] [stdout]     |               because of this opening brace
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid format string: expected `}`, found `(`
[INFO] [stdout]    --> src/main.rs:193:36
[INFO] [stdout]     |
[INFO] [stdout] 193 |     println!("{minimum_pair_removal(vec![5 ,2, 4])}:#?");
[INFO] [stdout]     |               -                    ^ expected `}` in format string
[INFO] [stdout]     |               |
[INFO] [stdout]     |               because of this opening brace
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid format string: expected `}`, found `(`
[INFO] [stdout]    --> src/main.rs:194:36
[INFO] [stdout]     |
[INFO] [stdout] 194 |     println!("{minimum_pair_removal(vec![1, 2, 2])}:#?");
[INFO] [stdout]     |               -                    ^ expected `}` in format string
[INFO] [stdout]     |               |
[INFO] [stdout]     |               because of this opening brace
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid format string: expected `}`, found `(`
[INFO] [stdout]    --> src/main.rs:194:36
[INFO] [stdout]     |
[INFO] [stdout] 194 |     println!("{minimum_pair_removal(vec![1, 2, 2])}:#?");
[INFO] [stdout]     |               -                    ^ expected `}` in format string
[INFO] [stdout]     |               |
[INFO] [stdout]     |               because of this opening brace
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_practice` (bin "rust_practice") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_practice` (bin "rust_practice" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2fb98a12c3a52498636d0291e157c95a889c89157d05035ee2dc47ceff2727fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb98a12c3a52498636d0291e157c95a889c89157d05035ee2dc47ceff2727fe", kill_on_drop: false }`
[INFO] [stdout] 2fb98a12c3a52498636d0291e157c95a889c89157d05035ee2dc47ceff2727fe
