[INFO] fetching crate surface-json 0.0.1...
[INFO] testing surface-json-0.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate surface-json 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate surface-json 0.0.1
[INFO] finished tweaking crates.io crate surface-json 0.0.1
[INFO] tweaked toml for crates.io crate surface-json 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate surface-json 0.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate surface-json 0.0.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7
[INFO] running `Command { std: "docker" "start" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", 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" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling surface-json v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parser.rs:539:19
[INFO] [stdout]     |
[INFO] [stdout] 539 | pub fn optimistic(input: &str) -> Option<Value> {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling surface-json v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parser.rs:539:19
[INFO] [stdout]     |
[INFO] [stdout] 539 | pub fn optimistic(input: &str) -> Option<Value> {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `test`
[INFO] [stdout]  --> src/parser.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `test`, create file "src/parser/test.rs" or "src/parser/test/mod.rs"
[INFO] [stdout]   = note: if there is a `mod test` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parser.rs:539:19
[INFO] [stdout]     |
[INFO] [stdout] 539 | pub fn optimistic(input: &str) -> Option<Value> {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `surface-json` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7", kill_on_drop: false }`
[INFO] [stdout] e28908dcb14baf169ad71a47d1583c792c482c07c22539321903024525d8e9c7
