[INFO] updating cached repository mchesser/mapgen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mchesser/mapgen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mchesser/mapgen" "work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/mapgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/mapgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mchesser/mapgen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/mapgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/mapgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a31a3c395c4c44232f220e1d9470661755292b8
[INFO] sha for GitHub repo mchesser/mapgen: 0a31a3c395c4c44232f220e1d9470661755292b8
[INFO] validating manifest of mchesser/mapgen on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mchesser/mapgen on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mchesser/mapgen
[INFO] finished frobbing mchesser/mapgen
[INFO] frobbed toml for mchesser/mapgen written to work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/mapgen/Cargo.toml
[INFO] started frobbing mchesser/mapgen
[INFO] finished frobbing mchesser/mapgen
[INFO] frobbed toml for mchesser/mapgen written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/mapgen/Cargo.toml
[INFO] crate mchesser/mapgen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/mapgen/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/basic2d.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/bitmap.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/interpolate.git`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/noise-rs`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/basic2d.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/bitmap.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/interpolate.git`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/noise-rs`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mchesser/mapgen against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/mapgen:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ec7fd0bef168615eb8e3e0e1394f1af0985969719b221572ca33e9168a652e79
[INFO] running `"docker" "start" "-a" "ec7fd0bef168615eb8e3e0e1394f1af0985969719b221572ca33e9168a652e79"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling interpolate v0.1.0 (https://github.com/quvarxa/interpolate.git#f6208548)
[INFO] [stderr]    Compiling bitmap v0.0.3 (https://github.com/quvarxa/bitmap.git#2a04c902)
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling basic2d v0.0.2 (https://github.com/quvarxa/basic2d.git#3c8d23f3)
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling noise v0.5.1 (https://github.com/bjz/noise-rs#c1a089d4)
[INFO] [stderr]    Compiling mapgen v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `noise::Seed`, `noise::Brownian2`, `noise::open_simplex2`
[INFO] [stderr]  --> src/mapgen.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use noise::{Seed, Brownian2, open_simplex2};
[INFO] [stderr]   |             ^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |             |     |          |
[INFO] [stderr]   |             |     |          no `open_simplex2` in the root
[INFO] [stderr]   |             |     |          help: a similar name exists in the module: `OpenSimplex`
[INFO] [stderr]   |             |     no `Brownian2` in the root
[INFO] [stderr]   |             no `Seed` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/mapgen.rs:61:14
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for x in (0..map.width()) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/mapgen.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |         for y in (0..map.height()) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/mapgen.rs:120:11
[INFO] [stderr]     |
[INFO] [stderr] 120 |     for y in (start_y .. end_y + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/mapgen.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |         for x in (start_x .. end_x + 1) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `mapgen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ec7fd0bef168615eb8e3e0e1394f1af0985969719b221572ca33e9168a652e79"`
[INFO] running `"docker" "rm" "-f" "ec7fd0bef168615eb8e3e0e1394f1af0985969719b221572ca33e9168a652e79"`
[INFO] [stdout] ec7fd0bef168615eb8e3e0e1394f1af0985969719b221572ca33e9168a652e79