[INFO] updating cached repository rust-lang/rust-playpen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-lang/rust-playpen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang/rust-playpen" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/rust-lang/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/rust-lang/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang/rust-playpen" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/rust-lang/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/rust-lang/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d0975ed13716bbc1c242fdbdf75dc4c6e42f8d3
[INFO] sha for GitHub repo rust-lang/rust-playpen: 1d0975ed13716bbc1c242fdbdf75dc4c6e42f8d3
[INFO] validating manifest of rust-lang/rust-playpen on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-lang/rust-playpen on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-lang/rust-playpen
[INFO] finished frobbing rust-lang/rust-playpen
[INFO] frobbed toml for rust-lang/rust-playpen written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/rust-lang/rust-playpen/Cargo.toml
[INFO] started frobbing rust-lang/rust-playpen
[INFO] finished frobbing rust-lang/rust-playpen
[INFO] frobbed toml for rust-lang/rust-playpen written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/rust-lang/rust-playpen/Cargo.toml
[INFO] crate rust-lang/rust-playpen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-lang/rust-playpen against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6607e9a3d88299360a495a9aa09522d85ab0fe00ee300f5c2faca8340fb7de9c
[INFO] running `"docker" "start" "-a" "6607e9a3d88299360a495a9aa09522d85ab0fe00ee300f5c2faca8340fb7de9c"`
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]     Checking futures v0.1.15
[INFO] [stderr]     Checking itoa v0.3.3
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking libflate v0.1.11
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking mount v0.3.0
[INFO] [stderr]     Checking staticfile v0.4.0
[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]     Checking irc v0.12.4
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking reqwest v0.7.3
[INFO] [stderr]     Checking rust-playpen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/playpen.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/playpen.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
[INFO] [stderr]   --> src/bin/playbot.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AssertUnwindSafe`, `catch_unwind`
[INFO] [stderr]   --> src/bin/playbot.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::panic::{AssertUnwindSafe, catch_unwind};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.72s
[INFO] running `"docker" "inspect" "6607e9a3d88299360a495a9aa09522d85ab0fe00ee300f5c2faca8340fb7de9c"`
[INFO] running `"docker" "rm" "-f" "6607e9a3d88299360a495a9aa09522d85ab0fe00ee300f5c2faca8340fb7de9c"`
[INFO] [stdout] 6607e9a3d88299360a495a9aa09522d85ab0fe00ee300f5c2faca8340fb7de9c