Dec 19 09:44:11.841 INFO checking rust-lang/rust-playpen against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:44:11.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:44:12.292 INFO [stdout] 0eb3bc87ca8a152da4e9f2d6b3d9cbda0cabc3025cebc5d178766b8f5d205da3
Dec 19 09:44:12.292 INFO running `"docker" "start" "-a" "0eb3bc87ca8a152da4e9f2d6b3d9cbda0cabc3025cebc5d178766b8f5d205da3"`
Dec 19 09:44:14.680 INFO [stderr]     Checking serde v1.0.12
Dec 19 09:44:14.680 INFO [stderr]     Checking iovec v0.1.0
Dec 19 09:44:14.728 INFO [stderr]     Checking num_cpus v1.6.2
Dec 19 09:44:14.728 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 19 09:44:14.729 INFO [stderr]    Compiling backtrace-sys v0.1.12
Dec 19 09:44:14.736 INFO [stderr]     Checking net2 v0.2.31
Dec 19 09:44:14.748 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 19 09:44:14.783 INFO [stderr]     Checking openssl-sys v0.9.17
Dec 19 09:44:16.011 INFO [stderr]     Checking bytes v0.4.5
Dec 19 09:44:16.454 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 09:44:17.272 INFO [stderr]     Checking futures-cpupool v0.1.5
Dec 19 09:44:17.962 INFO [stderr]     Checking hyper v0.10.13
Dec 19 09:44:18.075 INFO [stderr]     Checking openssl v0.9.17
Dec 19 09:44:18.330 INFO [stderr]     Checking mio v0.6.10
Dec 19 09:44:20.928 INFO [stderr]     Checking tokio-io v0.1.3
Dec 19 09:44:24.221 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 19 09:44:24.492 INFO [stderr]     Checking tokio-core v0.1.9
Dec 19 09:44:28.568 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 09:44:31.476 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 09:44:33.176 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 19 09:44:34.493 INFO [stderr]     Checking hyper v0.11.2
Dec 19 09:44:35.739 INFO [stderr]     Checking iron v0.5.1
Dec 19 09:44:38.386 INFO [stderr]     Checking mount v0.3.0
Dec 19 09:44:38.393 INFO [stderr]     Checking router v0.5.1
Dec 19 09:44:39.290 INFO [stderr]     Checking staticfile v0.4.0
Dec 19 09:44:44.103 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 19 09:44:44.109 INFO [stderr]     Checking serde_json v1.0.3
Dec 19 09:44:44.111 INFO [stderr]     Checking toml v0.4.5
Dec 19 09:44:46.790 INFO [stderr]     Checking backtrace v0.3.3
Dec 19 09:44:48.156 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 09:44:49.487 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 19 09:44:50.015 INFO [stderr]     Checking irc v0.12.4
Dec 19 09:44:50.057 INFO [stderr]     Checking reqwest v0.7.3
Dec 19 09:44:53.204 INFO [stderr]     Checking rust-playpen v0.1.0 (/opt/crater/workdir)
Dec 19 09:44:54.496 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 09:44:54.496 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 19 09:44:54.496 INFO [stderr]   |
Dec 19 09:44:54.496 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 19 09:44:54.496 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 09:44:54.496 INFO [stderr]   |
Dec 19 09:44:54.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:44:54.496 INFO [stderr] 
Dec 19 09:44:54.616 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 09:44:54.616 INFO [stderr]  --> src/bin/playpen.rs:2:1
Dec 19 09:44:54.616 INFO [stderr]   |
Dec 19 09:44:54.616 INFO [stderr] 2 | #[macro_use] extern crate log;
Dec 19 09:44:54.616 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 09:44:54.616 INFO [stderr]   |
Dec 19 09:44:54.616 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:44:54.616 INFO [stderr] 
Dec 19 09:44:55.913 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 19 09:44:55.913 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 19 09:44:55.913 INFO [stderr]    |
Dec 19 09:44:55.913 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 19 09:44:55.913 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 09:44:55.913 INFO [stderr]    |
Dec 19 09:44:55.913 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 09:44:55.913 INFO [stderr] 
Dec 19 09:44:55.954 INFO [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
Dec 19 09:44:55.954 INFO [stderr]   --> src/bin/playbot.rs:14:18
Dec 19 09:44:55.954 INFO [stderr]    |
Dec 19 09:44:55.954 INFO [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
Dec 19 09:44:55.954 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 09:44:55.954 INFO [stderr]    |
Dec 19 09:44:55.954 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 09:44:55.954 INFO [stderr] 
Dec 19 09:44:56.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.12s
Dec 19 09:44:57.820 INFO running `"docker" "inspect" "0eb3bc87ca8a152da4e9f2d6b3d9cbda0cabc3025cebc5d178766b8f5d205da3"`
Dec 19 09:44:58.152 INFO running `"docker" "rm" "-f" "0eb3bc87ca8a152da4e9f2d6b3d9cbda0cabc3025cebc5d178766b8f5d205da3"`
Dec 19 09:44:58.488 INFO [stdout] 0eb3bc87ca8a152da4e9f2d6b3d9cbda0cabc3025cebc5d178766b8f5d205da3