Dec 04 20:21:11.857 INFO checking dalance/ptags against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:21:11.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:21:12.338 INFO [stdout] 2ba997717c10f052cb9873eedcb3d76480c62f05cd376cdd55baea03685f4210
Dec 04 20:21:12.341 INFO running `"docker" "start" "-a" "2ba997717c10f052cb9873eedcb3d76480c62f05cd376cdd55baea03685f4210"`
Dec 04 20:21:14.408 INFO [stderr] usermod: no changes
Dec 04 20:21:14.690 INFO [stderr]     Checking bencher v0.1.5
Dec 04 20:21:14.690 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 04 20:21:14.698 INFO [stderr]     Checking dirs v1.0.4
Dec 04 20:21:14.714 INFO [stderr]     Checking toml v0.4.6
Dec 04 20:21:14.715 INFO [stderr]    Compiling syn v0.12.14
Dec 04 20:21:14.715 INFO [stderr]     Checking nix v0.10.0
Dec 04 20:21:14.715 INFO [stderr]    Compiling serde_derive v1.0.38
Dec 04 20:21:37.603 INFO [stderr]    Compiling structopt-derive v0.2.5
Dec 04 20:21:37.603 INFO [stderr]    Compiling structopt-toml-derive v0.2.4
Dec 04 20:21:45.838 INFO [stderr]     Checking structopt v0.2.5
Dec 04 20:21:49.462 INFO [stderr]     Checking backtrace v0.3.5
Dec 04 20:21:50.543 INFO [stderr]     Checking error-chain v0.11.0
Dec 04 20:21:51.367 INFO [stderr]     Checking structopt-toml v0.2.4
Dec 04 20:21:52.515 INFO [stderr]     Checking ptags v0.2.2-pre (/source)
Dec 04 20:21:54.943 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 20:21:54.943 INFO [stderr]  --> src/lib.rs:7:1
Dec 04 20:21:54.943 INFO [stderr]   |
Dec 04 20:21:54.943 INFO [stderr] 7 | #[macro_use]
Dec 04 20:21:54.943 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 20:21:54.943 INFO [stderr]   |
Dec 04 20:21:54.943 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:21:54.943 INFO [stderr] 
Dec 04 20:21:54.943 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 20:21:54.943 INFO [stderr]  --> src/lib.rs:9:1
Dec 04 20:21:54.943 INFO [stderr]   |
Dec 04 20:21:54.943 INFO [stderr] 9 | #[macro_use]
Dec 04 20:21:54.943 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 20:21:54.943 INFO [stderr] 
Dec 04 20:21:55.211 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 20:21:55.211 INFO [stderr]  --> src/lib.rs:7:1
Dec 04 20:21:55.211 INFO [stderr]   |
Dec 04 20:21:55.211 INFO [stderr] 7 | #[macro_use]
Dec 04 20:21:55.211 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 20:21:55.211 INFO [stderr]   |
Dec 04 20:21:55.211 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:21:55.211 INFO [stderr] 
Dec 04 20:21:55.211 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 20:21:55.211 INFO [stderr]  --> src/lib.rs:9:1
Dec 04 20:21:55.211 INFO [stderr]   |
Dec 04 20:21:55.218 INFO [stderr] 9 | #[macro_use]
Dec 04 20:21:55.219 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 20:21:55.219 INFO [stderr] 
Dec 04 20:22:01.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.11s
Dec 04 20:22:01.575 INFO [stderr] su: No module specific data is present
Dec 04 20:22:02.949 INFO running `"docker" "inspect" "2ba997717c10f052cb9873eedcb3d76480c62f05cd376cdd55baea03685f4210"`
Dec 04 20:22:03.369 INFO running `"docker" "rm" "-f" "2ba997717c10f052cb9873eedcb3d76480c62f05cd376cdd55baea03685f4210"`
Dec 04 20:22:03.755 INFO [stdout] 2ba997717c10f052cb9873eedcb3d76480c62f05cd376cdd55baea03685f4210