[INFO] fetching crate homebrew 0.2.6...
[INFO] checking homebrew-0.2.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate homebrew 0.2.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate homebrew 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate homebrew 0.2.6
[INFO] tweaked toml for crates.io crate homebrew 0.2.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate homebrew 0.2.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate homebrew 0.2.6 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3633c2a361fb315f6c0dbf345aebe4500b982c3e89aed3844ae339442c11ed13
[INFO] running `Command { std: "docker" "start" "-a" "3633c2a361fb315f6c0dbf345aebe4500b982c3e89aed3844ae339442c11ed13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3633c2a361fb315f6c0dbf345aebe4500b982c3e89aed3844ae339442c11ed13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3633c2a361fb315f6c0dbf345aebe4500b982c3e89aed3844ae339442c11ed13", kill_on_drop: false }`
[INFO] [stdout] 3633c2a361fb315f6c0dbf345aebe4500b982c3e89aed3844ae339442c11ed13
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8d8478d4121fb9d3139824cc8dc1cf8a39829a77e2b103f6778df2d9551d76
[INFO] running `Command { std: "docker" "start" "-a" "af8d8478d4121fb9d3139824cc8dc1cf8a39829a77e2b103f6778df2d9551d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking papergrid v0.13.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tabled_derive v0.9.0
[INFO] [stderr]     Checking tabled v0.17.0
[INFO] [stderr]     Checking homebrew v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Installer` is never constructed
[INFO] [stdout]   --> src/model/cask.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct Installer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstallerScript` is never constructed
[INFO] [stdout]   --> src/model/cask.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct InstallerScript {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Installer` is never constructed
[INFO] [stdout]   --> src/model/cask.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct Installer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstallerScript` is never constructed
[INFO] [stdout]   --> src/model/cask.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct InstallerScript {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.13s
[INFO] running `Command { std: "docker" "inspect" "af8d8478d4121fb9d3139824cc8dc1cf8a39829a77e2b103f6778df2d9551d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8d8478d4121fb9d3139824cc8dc1cf8a39829a77e2b103f6778df2d9551d76", kill_on_drop: false }`
[INFO] [stdout] af8d8478d4121fb9d3139824cc8dc1cf8a39829a77e2b103f6778df2d9551d76