Dec 17 16:30:29.936 INFO checking rust-lang/rust-playpen against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:30:29.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/rust-lang/rust-playpen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:30:30.478 INFO [stdout] 3aed56dab41dfb8626b8511ffae4f46091b5b6e3688964fb64686d5fd905133b
Dec 17 16:30:30.480 INFO running `"docker" "start" "-a" "3aed56dab41dfb8626b8511ffae4f46091b5b6e3688964fb64686d5fd905133b"`
Dec 17 16:30:33.856 INFO [stderr]    Compiling gcc v0.3.53
Dec 17 16:30:33.857 INFO [stderr]    Compiling openssl v0.9.17
Dec 17 16:30:33.873 INFO [stderr]     Checking serde v1.0.12
Dec 17 16:30:33.874 INFO [stderr]     Checking sequence_trie v0.2.1
Dec 17 16:30:33.874 INFO [stderr]     Checking iovec v0.1.0
Dec 17 16:30:33.881 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 17 16:30:33.888 INFO [stderr]     Checking net2 v0.2.31
Dec 17 16:30:33.889 INFO [stderr]     Checking tokio-service v0.1.0
Dec 17 16:30:35.178 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 17 16:30:36.233 INFO [stderr]     Checking libflate v0.1.11
Dec 17 16:30:36.269 INFO [stderr]     Checking futures-cpupool v0.1.5
Dec 17 16:30:36.666 INFO [stderr]     Checking bytes v0.4.5
Dec 17 16:30:37.021 INFO [stderr]     Checking hyper v0.10.13
Dec 17 16:30:37.564 INFO [stderr]     Checking chrono v0.4.0
Dec 17 16:30:37.900 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 16:30:38.092 INFO [stderr]     Checking mime v0.3.3
Dec 17 16:30:44.470 INFO [stderr]     Checking mio v0.6.10
Dec 17 16:30:44.598 INFO [stderr]     Checking tokio-io v0.1.3
Dec 17 16:30:45.080 INFO [stderr]    Compiling openssl-sys v0.9.17
Dec 17 16:30:45.080 INFO [stderr]    Compiling backtrace-sys v0.1.12
Dec 17 16:30:49.696 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 17 16:30:53.194 INFO [stderr]     Checking tokio-core v0.1.9
Dec 17 16:30:58.001 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 17 16:30:58.018 INFO [stderr]     Checking iron v0.5.1
Dec 17 16:30:59.732 INFO [stderr]     Checking mount v0.3.0
Dec 17 16:30:59.735 INFO [stderr]     Checking router v0.5.1
Dec 17 16:31:01.702 INFO [stderr]     Checking staticfile v0.4.0
Dec 17 16:31:05.780 INFO [stderr]     Checking native-tls v0.1.4
Dec 17 16:31:06.073 INFO [stderr]     Checking hyper v0.11.2
Dec 17 16:31:06.640 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 17 16:31:09.706 INFO [stderr]     Checking toml v0.4.5
Dec 17 16:31:09.706 INFO [stderr]     Checking serde_json v1.0.3
Dec 17 16:31:09.706 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 17 16:31:15.953 INFO [stderr]     Checking backtrace v0.3.3
Dec 17 16:31:16.581 INFO [stderr]     Checking error-chain v0.10.0
Dec 17 16:31:16.813 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 17 16:31:17.412 INFO [stderr]     Checking irc v0.12.4
Dec 17 16:31:17.592 INFO [stderr]     Checking reqwest v0.7.3
Dec 17 16:31:20.607 INFO [stderr]     Checking rust-playpen v0.1.0 (/opt/crater/workdir)
Dec 17 16:31:22.014 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 16:31:22.014 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 17 16:31:22.014 INFO [stderr]   |
Dec 17 16:31:22.014 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 17 16:31:22.014 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 16:31:22.014 INFO [stderr]   |
Dec 17 16:31:22.014 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:31:22.014 INFO [stderr] 
Dec 17 16:31:22.449 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 16:31:22.449 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 17 16:31:22.449 INFO [stderr]   |
Dec 17 16:31:22.450 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 17 16:31:22.450 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 16:31:22.450 INFO [stderr]   |
Dec 17 16:31:22.450 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:31:22.451 INFO [stderr] 
Dec 17 16:31:23.396 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 17 16:31:23.396 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 17 16:31:23.396 INFO [stderr]    |
Dec 17 16:31:23.396 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 17 16:31:23.396 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 16:31:23.396 INFO [stderr]    |
Dec 17 16:31:23.396 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 16:31:23.396 INFO [stderr] 
Dec 17 16:31:23.420 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 17 16:31:23.420 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 17 16:31:23.420 INFO [stderr]    |
Dec 17 16:31:23.420 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 17 16:31:23.420 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 16:31:23.420 INFO [stderr]    |
Dec 17 16:31:23.420 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 16:31:23.420 INFO [stderr] 
Dec 17 16:31:24.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.50s
Dec 17 16:31:25.092 INFO running `"docker" "inspect" "3aed56dab41dfb8626b8511ffae4f46091b5b6e3688964fb64686d5fd905133b"`
Dec 17 16:31:25.494 INFO running `"docker" "rm" "-f" "3aed56dab41dfb8626b8511ffae4f46091b5b6e3688964fb64686d5fd905133b"`
Dec 17 16:31:25.877 INFO [stdout] 3aed56dab41dfb8626b8511ffae4f46091b5b6e3688964fb64686d5fd905133b