[INFO] cloning repository https://github.com/BrendanNolan/leetcode-index_into_clice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrendanNolan/leetcode-index_into_clice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Fleetcode-index_into_clice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Fleetcode-index_into_clice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f938a4941e607ad1650f246a1eb29d3a1caf2caa
[INFO] building BrendanNolan/leetcode-index_into_clice against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Fleetcode-index_into_clice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrendanNolan/leetcode-index_into_clice on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrendanNolan/leetcode-index_into_clice
[INFO] finished tweaking git repo https://github.com/BrendanNolan/leetcode-index_into_clice
[INFO] tweaked toml for git repo https://github.com/BrendanNolan/leetcode-index_into_clice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrendanNolan/leetcode-index_into_clice 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56b8b71dd50b1abf54b453f2e963a0f64b5b271bfd040875057b00e134984b2f
[INFO] running `Command { std: "docker" "start" "-a" "56b8b71dd50b1abf54b453f2e963a0f64b5b271bfd040875057b00e134984b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b8b71dd50b1abf54b453f2e963a0f64b5b271bfd040875057b00e134984b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b8b71dd50b1abf54b453f2e963a0f64b5b271bfd040875057b00e134984b2f", kill_on_drop: false }`
[INFO] [stdout] 56b8b71dd50b1abf54b453f2e963a0f64b5b271bfd040875057b00e134984b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620b3eb2216d6f4b16520f854c2b08d29e3658310b2434b655a79580ae47f963
[INFO] running `Command { std: "docker" "start" "-a" "620b3eb2216d6f4b16520f854c2b08d29e3658310b2434b655a79580ae47f963", kill_on_drop: false }`
[INFO] [stderr]    Compiling index_into_clice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the type `str` cannot be indexed by `{integer}`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let c = s[0];
[INFO] [stdout]   |               ^ string indices are ranges of `usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can use `.chars().nth()` or `.bytes().nth()`
[INFO] [stdout]           for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
[INFO] [stdout]   = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
[INFO] [stdout]           but trait `SliceIndex<[_]>` is implemented for `usize`
[INFO] [stdout]   = help: for that trait implementation, expected `[_]`, found `str`
[INFO] [stdout]   = note: required for `str` to implement `Index<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `index_into_clice` (bin "index_into_clice") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "620b3eb2216d6f4b16520f854c2b08d29e3658310b2434b655a79580ae47f963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620b3eb2216d6f4b16520f854c2b08d29e3658310b2434b655a79580ae47f963", kill_on_drop: false }`
[INFO] [stdout] 620b3eb2216d6f4b16520f854c2b08d29e3658310b2434b655a79580ae47f963
