Dec 11 10:30:38.890 INFO checking rust-lang/rust-playpen against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:30:38.891 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 10:30:39.710 INFO [stdout] c5063f3e49684d733a74d5b0844ae34d70255fb2f88a04bc83a361a9213b0eb8
Dec 11 10:30:39.712 INFO running `"docker" "start" "-a" "c5063f3e49684d733a74d5b0844ae34d70255fb2f88a04bc83a361a9213b0eb8"`
Dec 11 10:30:41.676 INFO [stderr] usermod: no changes
Dec 11 10:30:42.034 INFO [stderr]    Compiling gcc v0.3.53
Dec 11 10:30:42.034 INFO [stderr]    Compiling openssl v0.9.17
Dec 11 10:30:42.060 INFO [stderr]     Checking serde v1.0.12
Dec 11 10:30:42.060 INFO [stderr]     Checking sequence_trie v0.2.1
Dec 11 10:30:42.084 INFO [stderr]     Checking iovec v0.1.0
Dec 11 10:30:42.085 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 11 10:30:42.085 INFO [stderr]     Checking tokio-service v0.1.0
Dec 11 10:30:42.085 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 11 10:30:43.949 INFO [stderr]     Checking libflate v0.1.11
Dec 11 10:30:43.978 INFO [stderr]     Checking futures-cpupool v0.1.5
Dec 11 10:30:44.992 INFO [stderr]     Checking bytes v0.4.5
Dec 11 10:30:44.993 INFO [stderr]     Checking mio v0.6.10
Dec 11 10:30:46.007 INFO [stderr]     Checking chrono v0.4.0
Dec 11 10:30:46.293 INFO [stderr]     Checking env_logger v0.4.3
Dec 11 10:30:46.535 INFO [stderr]     Checking mime v0.3.3
Dec 11 10:30:49.538 INFO [stderr]     Checking mount v0.3.0
Dec 11 10:30:55.041 INFO [stderr]     Checking tokio-io v0.1.3
Dec 11 10:30:55.246 INFO [stderr]     Checking staticfile v0.4.0
Dec 11 10:30:55.505 INFO [stderr]    Compiling openssl-sys v0.9.17
Dec 11 10:30:55.505 INFO [stderr]    Compiling backtrace-sys v0.1.12
Dec 11 10:30:59.878 INFO [stderr]     Checking tokio-core v0.1.9
Dec 11 10:30:59.944 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 11 10:31:04.233 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 10:31:08.729 INFO [stderr]     Checking hyper v0.11.2
Dec 11 10:31:12.841 INFO [stderr]     Checking native-tls v0.1.4
Dec 11 10:31:14.858 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 11 10:31:17.739 INFO [stderr]     Checking serde_json v1.0.3
Dec 11 10:31:17.747 INFO [stderr]     Checking toml v0.4.5
Dec 11 10:31:17.752 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 11 10:31:27.329 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 11 10:31:28.814 INFO [stderr]     Checking backtrace v0.3.3
Dec 11 10:31:29.410 INFO [stderr]     Checking reqwest v0.7.3
Dec 11 10:31:29.764 INFO [stderr]     Checking error-chain v0.10.0
Dec 11 10:31:30.709 INFO [stderr]     Checking irc v0.12.4
Dec 11 10:31:34.267 INFO [stderr]     Checking rust-playpen v0.1.0 (/source)
Dec 11 10:31:38.324 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:31:38.325 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 11 10:31:38.325 INFO [stderr]   |
Dec 11 10:31:38.325 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 11 10:31:38.325 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 10:31:38.344 INFO [stderr]   |
Dec 11 10:31:38.345 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:31:38.345 INFO [stderr] 
Dec 11 10:31:38.512 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:31:38.513 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 11 10:31:38.513 INFO [stderr]   |
Dec 11 10:31:38.513 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 11 10:31:38.513 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 10:31:38.514 INFO [stderr]   |
Dec 11 10:31:38.514 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:31:38.514 INFO [stderr] 
Dec 11 10:31:40.291 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 11 10:31:40.291 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 11 10:31:40.291 INFO [stderr]    |
Dec 11 10:31:40.291 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 11 10:31:40.291 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 11 10:31:40.292 INFO [stderr]    |
Dec 11 10:31:40.292 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 10:31:40.292 INFO [stderr] 
Dec 11 10:31:40.293 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 11 10:31:40.293 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 11 10:31:40.294 INFO [stderr]    |
Dec 11 10:31:40.294 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 11 10:31:40.294 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 11 10:31:40.294 INFO [stderr]    |
Dec 11 10:31:40.294 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 10:31:40.294 INFO [stderr] 
Dec 11 10:31:40.803 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.10s
Dec 11 10:31:40.830 INFO [stderr] su: No module specific data is present
Dec 11 10:31:42.896 INFO running `"docker" "inspect" "c5063f3e49684d733a74d5b0844ae34d70255fb2f88a04bc83a361a9213b0eb8"`
Dec 11 10:31:43.224 INFO running `"docker" "rm" "-f" "c5063f3e49684d733a74d5b0844ae34d70255fb2f88a04bc83a361a9213b0eb8"`
Dec 11 10:31:43.504 INFO [stdout] c5063f3e49684d733a74d5b0844ae34d70255fb2f88a04bc83a361a9213b0eb8