[INFO] updating cached repository evuez/evolutions
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/evuez/evolutions
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/evuez/evolutions" "work/ex/beta-1.38-1/sources/1.37.0/gh/evuez/evolutions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/evuez/evolutions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/evuez/evolutions" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/evuez/evolutions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/evuez/evolutions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67e0176926db3f89054d0bd79fd5774166b4fcd8
[INFO] sha for GitHub repo evuez/evolutions: 67e0176926db3f89054d0bd79fd5774166b4fcd8
[INFO] validating manifest of evuez/evolutions 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 evuez/evolutions 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 evuez/evolutions
[INFO] finished frobbing evuez/evolutions
[INFO] frobbed toml for evuez/evolutions written to work/ex/beta-1.38-1/sources/1.37.0/gh/evuez/evolutions/Cargo.toml
[INFO] started frobbing evuez/evolutions
[INFO] finished frobbing evuez/evolutions
[INFO] frobbed toml for evuez/evolutions written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/evuez/evolutions/Cargo.toml
[INFO] crate evuez/evolutions 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/evuez/evolutions/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 evuez/evolutions against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/evuez/evolutions:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] adb77fe7bcf66cdf8ef9498d823327030a92d7824e1993f09e8999a2d6a52eae
[INFO] running `"docker" "start" "-a" "adb77fe7bcf66cdf8ef9498d823327030a92d7824e1993f09e8999a2d6a52eae"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling evolutions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> src/body.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{XorShiftRng, SeedableRng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Sample`
[INFO] [stderr]  --> src/body.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::Sample;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Sample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `normal` is private
[INFO] [stderr]  --> src/body.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::normal::Normal;
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]  --> src/body.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{XorShiftRng, SeedableRng, Rng};
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TURN_LEFT` should have an upper camel case name
[INFO] [stderr]   --> src/body.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     TURN_LEFT,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `TurnLeft`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TURN_RIGHT` should have an upper camel case name
[INFO] [stderr]   --> src/body.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     TURN_RIGHT,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `TurnRight`
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     while true {
[INFO] [stderr]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/body.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{XorShiftRng, SeedableRng, Rng};
[INFO] [stderr]   |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `evolutions`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "adb77fe7bcf66cdf8ef9498d823327030a92d7824e1993f09e8999a2d6a52eae"`
[INFO] running `"docker" "rm" "-f" "adb77fe7bcf66cdf8ef9498d823327030a92d7824e1993f09e8999a2d6a52eae"`
[INFO] [stdout] adb77fe7bcf66cdf8ef9498d823327030a92d7824e1993f09e8999a2d6a52eae