[INFO] fetching crate capture 0.1.0...
[INFO] testing capture-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate capture 0.1.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate capture 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate capture 0.1.0
[INFO] finished tweaking crates.io crate capture 0.1.0
[INFO] tweaked toml for crates.io crate capture 0.1.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-97/source/src/capture.rs` was erroneously implicitly accepted for library `capture`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c9c85409eba4d692c98a11fc6071030515b583c5090b8a3cc5eafd81a1963a
[INFO] running `Command { std: "docker" "start" "-a" "84c9c85409eba4d692c98a11fc6071030515b583c5090b8a3cc5eafd81a1963a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c9c85409eba4d692c98a11fc6071030515b583c5090b8a3cc5eafd81a1963a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c9c85409eba4d692c98a11fc6071030515b583c5090b8a3cc5eafd81a1963a", kill_on_drop: false }`
[INFO] [stdout] 84c9c85409eba4d692c98a11fc6071030515b583c5090b8a3cc5eafd81a1963a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53f53d9c5a83021e9884a989e29c6560fd10a50f0542d53e363cf8a3260544f4
[INFO] running `Command { std: "docker" "start" "-a" "53f53d9c5a83021e9884a989e29c6560fd10a50f0542d53e363cf8a3260544f4", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/capture.rs` was erroneously implicitly accepted for library `capture`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling capture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]   --> src/capture.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![license = "MIT"]
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capture` due to 3 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/capture.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(macro_rules)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53f53d9c5a83021e9884a989e29c6560fd10a50f0542d53e363cf8a3260544f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f53d9c5a83021e9884a989e29c6560fd10a50f0542d53e363cf8a3260544f4", kill_on_drop: false }`
[INFO] [stdout] 53f53d9c5a83021e9884a989e29c6560fd10a50f0542d53e363cf8a3260544f4