Dec 11 11:49:09.450 INFO checking pietroalbini/crater-tree against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 11:49:09.450 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:49:10.030 INFO [stdout] 0b407cd2e624938d0469ef56cd2f4e2143ce2ddd160776f4108f7566b2aa4e07
Dec 11 11:49:10.032 INFO running `"docker" "start" "-a" "0b407cd2e624938d0469ef56cd2f4e2143ce2ddd160776f4108f7566b2aa4e07"`
Dec 11 11:49:11.449 INFO [stderr] usermod: no changes
Dec 11 11:49:11.856 INFO [stderr]     Checking encoding_rs v0.8.8
Dec 11 11:49:11.864 INFO [stderr]     Checking tokio-executor v0.1.2
Dec 11 11:49:11.864 INFO [stderr]    Compiling openssl-sys v0.9.36
Dec 11 11:49:11.868 INFO [stderr]     Checking bytes v0.4.10
Dec 11 11:49:11.868 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 11 11:49:11.868 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 11 11:49:11.868 INFO [stderr]     Checking rand v0.5.5
Dec 11 11:49:11.876 INFO [stderr]     Checking want v0.0.6
Dec 11 11:49:13.728 INFO [stderr]    Compiling rayon v1.0.3
Dec 11 11:49:13.856 INFO [stderr]     Checking tokio-timer v0.2.5
Dec 11 11:49:14.264 INFO [stderr]     Checking semver v0.9.0
Dec 11 11:49:14.624 INFO [stderr]     Checking mime v0.3.9
Dec 11 11:49:17.599 INFO [stderr]    Compiling syn v0.15.7
Dec 11 11:49:17.620 INFO [stderr]     Checking libflate v0.1.18
Dec 11 11:49:18.373 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 11 11:49:18.776 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 11 11:49:19.541 INFO [stderr]     Checking error-chain v0.12.0
Dec 11 11:49:21.276 INFO [stderr]     Checking tokio-io v0.1.6
Dec 11 11:49:21.578 INFO [stderr]     Checking http v0.1.13
Dec 11 11:49:21.813 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.6
Dec 11 11:49:21.941 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 11 11:49:23.200 INFO [stderr]     Checking uuid v0.7.1
Dec 11 11:49:24.617 INFO [stderr]    Compiling openssl v0.10.12
Dec 11 11:49:29.941 INFO [stderr]    Compiling native-tls v0.2.1
Dec 11 11:49:29.954 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 11 11:49:30.024 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 11 11:49:33.612 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 11 11:49:33.612 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 11 11:49:36.429 INFO [stderr]     Checking tokio v0.1.7
Dec 11 11:49:39.254 INFO [stderr]     Checking h2 v0.1.12
Dec 11 11:49:52.605 INFO [stderr]    Compiling synstructure v0.10.0
Dec 11 11:49:52.605 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 11 11:49:56.086 INFO [stderr]     Checking hyper v0.12.14
Dec 11 11:49:59.990 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 11 11:50:04.776 INFO [stderr]     Checking failure v0.1.3
Dec 11 11:50:07.604 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 11 11:50:09.905 INFO [stderr]     Checking reqwest v0.9.5
Dec 11 11:50:20.800 INFO [stderr]     Checking cargo_metadata v0.6.3
Dec 11 11:50:22.440 INFO [stderr]     Checking crater-tree v0.1.0 (/source)
Dec 11 11:50:27.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
Dec 11 11:50:27.370 INFO [stderr] su: No module specific data is present
Dec 11 11:50:28.226 INFO running `"docker" "inspect" "0b407cd2e624938d0469ef56cd2f4e2143ce2ddd160776f4108f7566b2aa4e07"`
Dec 11 11:50:28.546 INFO running `"docker" "rm" "-f" "0b407cd2e624938d0469ef56cd2f4e2143ce2ddd160776f4108f7566b2aa4e07"`
Dec 11 11:50:28.860 INFO [stdout] 0b407cd2e624938d0469ef56cd2f4e2143ce2ddd160776f4108f7566b2aa4e07