[INFO] updating cached repository archer884/srand
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/archer884/srand
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/srand" "work/ex/beta-1.37-6/sources/1.36.0/gh/archer884/srand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/archer884/srand'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/srand" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archer884/srand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archer884/srand'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f43d7139f24290678fd26474e85b200cbf62927
[INFO] sha for GitHub repo archer884/srand: 3f43d7139f24290678fd26474e85b200cbf62927
[INFO] validating manifest of archer884/srand on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of archer884/srand on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing archer884/srand
[INFO] finished frobbing archer884/srand
[INFO] frobbed toml for archer884/srand written to work/ex/beta-1.37-6/sources/1.36.0/gh/archer884/srand/Cargo.toml
[INFO] started frobbing archer884/srand
[INFO] finished frobbing archer884/srand
[INFO] frobbed toml for archer884/srand written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archer884/srand/Cargo.toml
[INFO] crate archer884/srand already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/archer884/srand/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/iron/iron`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/iron/iron`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing archer884/srand against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archer884/srand:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b4e69f5bdf3e3efed8c378db5729df44f45d424158cd5ca92a8fc8363ec331e7
[INFO] running `"docker" "start" "-a" "b4e69f5bdf3e3efed8c378db5729df44f45d424158cd5ca92a8fc8363ec331e7"`
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling iron v0.6.0 (https://github.com/iron/iron#562a9251)
[INFO] [stderr]    Compiling srand v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: expected identifier, found `"rustc-serialize"`
[INFO] [stderr]  --> src/main.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `srand`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b4e69f5bdf3e3efed8c378db5729df44f45d424158cd5ca92a8fc8363ec331e7"`
[INFO] running `"docker" "rm" "-f" "b4e69f5bdf3e3efed8c378db5729df44f45d424158cd5ca92a8fc8363ec331e7"`
[INFO] [stdout] b4e69f5bdf3e3efed8c378db5729df44f45d424158cd5ca92a8fc8363ec331e7