Nov 06 12:34:57.192 INFO checking timmc/cavern against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 12:34:57.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 06 12:34:57.728 INFO blam! 735a46713a0e49603e2587bfab64bafef3ce12c5f13a22f2ef80dacf727f3dc7
Nov 06 12:34:57.729 INFO running `"docker" "start" "-a" "735a46713a0e49603e2587bfab64bafef3ce12c5f13a22f2ef80dacf727f3dc7"`
Nov 06 12:35:00.147 INFO kablam! usermod: no changes
Nov 06 12:35:00.371 INFO kablam!     Checking serde v1.0.37
Nov 06 12:35:00.371 INFO kablam!    Compiling proc-macro2 v0.3.6
Nov 06 12:35:00.371 INFO kablam!     Checking memchr v2.0.1
Nov 06 12:35:00.372 INFO kablam!     Checking nix v0.9.0
Nov 06 12:35:00.372 INFO kablam!     Checking regex-syntax v0.5.5
Nov 06 12:35:00.373 INFO kablam!     Checking shared_child v0.3.2
Nov 06 12:35:01.883 INFO kablam!     Checking aho-corasick v0.6.4
Nov 06 12:35:10.418 INFO kablam!    Compiling quote v0.5.1
Nov 06 12:35:13.228 INFO kablam!    Compiling syn v0.13.1
Nov 06 12:35:19.278 INFO kablam!     Checking regex v0.2.10
Nov 06 12:35:19.996 INFO kablam!     Checking os_pipe v0.6.0
Nov 06 12:35:20.964 INFO kablam!     Checking duct v0.10.0
Nov 06 12:35:32.085 INFO kablam!    Compiling structopt-derive v0.2.7
Nov 06 12:35:33.820 INFO kablam!     Checking serde_json v1.0.13
Nov 06 12:35:37.448 INFO kablam!     Checking structopt v0.2.7
Nov 06 12:35:38.390 INFO kablam!     Checking spelunk v0.1.0 (/source)
Nov 06 12:35:39.340 INFO kablam! warning: unused `#[macro_use]` import
Nov 06 12:35:39.340 INFO kablam!  --> src/main.rs:1:1
Nov 06 12:35:39.340 INFO kablam!   |
Nov 06 12:35:39.340 INFO kablam! 1 | #[macro_use]
Nov 06 12:35:39.340 INFO kablam!   | ^^^^^^^^^^^^
Nov 06 12:35:39.340 INFO kablam!   |
Nov 06 12:35:39.340 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 12:35:39.340 INFO kablam! 
Nov 06 12:35:39.492 INFO kablam! warning: unused `#[macro_use]` import
Nov 06 12:35:39.492 INFO kablam!  --> src/main.rs:1:1
Nov 06 12:35:39.492 INFO kablam!   |
Nov 06 12:35:39.492 INFO kablam! 1 | #[macro_use]
Nov 06 12:35:39.492 INFO kablam!   | ^^^^^^^^^^^^
Nov 06 12:35:39.492 INFO kablam!   |
Nov 06 12:35:39.492 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 12:35:39.492 INFO kablam! 
Nov 06 12:35:39.960 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 39.78s
Nov 06 12:35:39.964 INFO kablam! su: No module specific data is present
Nov 06 12:35:40.773 INFO running `"docker" "rm" "-f" "735a46713a0e49603e2587bfab64bafef3ce12c5f13a22f2ef80dacf727f3dc7"`
Nov 06 12:35:41.158 INFO blam! 735a46713a0e49603e2587bfab64bafef3ce12c5f13a22f2ef80dacf727f3dc7