Dec 18 12:35:39.189 INFO checking rand-0.6.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:35:39.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rand/0.6.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:35:39.355 INFO [stdout] 8412b0aaf808dd90eeb147ecc1a265cd2cbe7dd0902cf62b9c75c05b4fa7908a
Dec 18 12:35:39.357 INFO running `"docker" "start" "-a" "8412b0aaf808dd90eeb147ecc1a265cd2cbe7dd0902cf62b9c75c05b4fa7908a"`
Dec 18 12:35:39.959 INFO [stderr]     Checking custom_derive v0.1.7
Dec 18 12:35:39.960 INFO [stderr]    Compiling rand v0.6.1 (/opt/crater/workdir)
Dec 18 12:35:40.141 INFO [stderr]     Checking conv v0.3.3
Dec 18 12:35:41.393 INFO [stderr]     Checking average v0.9.2
Dec 18 12:35:47.114 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
Dec 18 12:35:47.582 INFO running `"docker" "inspect" "8412b0aaf808dd90eeb147ecc1a265cd2cbe7dd0902cf62b9c75c05b4fa7908a"`
Dec 18 12:35:47.754 INFO running `"docker" "rm" "-f" "8412b0aaf808dd90eeb147ecc1a265cd2cbe7dd0902cf62b9c75c05b4fa7908a"`
Dec 18 12:35:48.128 INFO [stdout] 8412b0aaf808dd90eeb147ecc1a265cd2cbe7dd0902cf62b9c75c05b4fa7908a