Dec 11 13:52:45.082 INFO checking mbr/firefox-deb against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:52:45.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 13:52:45.476 INFO [stdout] 4bfaa9476994e1c8b98dd4c4369ac802bda4ccafddffcd765a66cf005b3c9f8a
Dec 11 13:52:45.482 INFO running `"docker" "start" "-a" "4bfaa9476994e1c8b98dd4c4369ac802bda4ccafddffcd765a66cf005b3c9f8a"`
Dec 11 13:52:46.543 INFO [stderr] usermod: no changes
Dec 11 13:52:46.872 INFO [stderr]    Compiling cc v1.0.6
Dec 11 13:52:46.872 INFO [stderr]     Checking serde v1.0.29
Dec 11 13:52:46.872 INFO [stderr]     Checking filetime v0.1.15
Dec 11 13:52:46.872 INFO [stderr]     Checking xattr v0.1.11
Dec 11 13:52:46.888 INFO [stderr]    Compiling serde_derive_internals v0.20.0
Dec 11 13:52:46.888 INFO [stderr]     Checking structopt v0.2.5
Dec 11 13:52:46.888 INFO [stderr]     Checking tokio-core v0.1.14
Dec 11 13:52:49.560 INFO [stderr]     Checking tar v0.4.14
Dec 11 13:52:57.168 INFO [stderr]    Compiling serde_derive v1.0.29
Dec 11 13:52:57.644 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 13:52:57.932 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 11 13:52:57.933 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 11 13:53:02.332 INFO [stderr]    Compiling openssl v0.9.24
Dec 11 13:53:03.528 INFO [stderr]     Checking bzip2 v0.3.2
Dec 11 13:53:05.396 INFO [stderr]     Checking hyper v0.11.22
Dec 11 13:53:16.104 INFO [stderr]     Checking native-tls v0.1.5
Dec 11 13:53:18.177 INFO [stderr]     Checking serde_json v1.0.10
Dec 11 13:53:18.177 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 11 13:53:18.617 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 11 13:53:23.462 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 11 13:53:25.160 INFO [stderr]     Checking reqwest v0.8.5
Dec 11 13:53:28.248 INFO [stderr]     Checking firefox-deb v0.1.0 (/source)
Dec 11 13:53:32.416 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 13:53:32.416 INFO [stderr]  --> src/main.rs:6:1
Dec 11 13:53:32.416 INFO [stderr]   |
Dec 11 13:53:32.416 INFO [stderr] 6 | #[macro_use]
Dec 11 13:53:32.416 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 13:53:32.416 INFO [stderr]   |
Dec 11 13:53:32.416 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:53:32.416 INFO [stderr] 
Dec 11 13:53:32.474 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 13:53:32.474 INFO [stderr]  --> src/main.rs:6:1
Dec 11 13:53:32.474 INFO [stderr]   |
Dec 11 13:53:32.474 INFO [stderr] 6 | #[macro_use]
Dec 11 13:53:32.474 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 13:53:32.475 INFO [stderr]   |
Dec 11 13:53:32.475 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:53:32.475 INFO [stderr] 
Dec 11 13:53:32.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.19s
Dec 11 13:53:32.787 INFO [stderr] su: No module specific data is present
Dec 11 13:53:33.720 INFO running `"docker" "inspect" "4bfaa9476994e1c8b98dd4c4369ac802bda4ccafddffcd765a66cf005b3c9f8a"`
Dec 11 13:53:33.996 INFO running `"docker" "rm" "-f" "4bfaa9476994e1c8b98dd4c4369ac802bda4ccafddffcd765a66cf005b3c9f8a"`
Dec 11 13:53:34.268 INFO [stdout] 4bfaa9476994e1c8b98dd4c4369ac802bda4ccafddffcd765a66cf005b3c9f8a