[INFO] updating cached repository mneumann/dla-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mneumann/dla-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/dla-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/dla-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/dla-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/dla-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/dla-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/dla-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2b57956fff58c490ef7464f8dd0788a0d04b00f
[INFO] sha for GitHub repo mneumann/dla-rs: d2b57956fff58c490ef7464f8dd0788a0d04b00f
[INFO] validating manifest of mneumann/dla-rs 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 mneumann/dla-rs 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 mneumann/dla-rs
[INFO] finished frobbing mneumann/dla-rs
[INFO] frobbed toml for mneumann/dla-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/dla-rs/Cargo.toml
[INFO] started frobbing mneumann/dla-rs
[INFO] finished frobbing mneumann/dla-rs
[INFO] frobbed toml for mneumann/dla-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/dla-rs/Cargo.toml
[INFO] crate mneumann/dla-rs 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/mneumann/dla-rs/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[INFO] the lockfile is outdated, regenerating it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]     Updating git repository `https://github.com/codahale/pcg.git`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/codahale/pcg.git`
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mneumann/dla-rs 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-3/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/mneumann/dla-rs:/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] 08721fc38f8937f59c0a35a5e611e192df4795420b9238e5835c8dcfba27bd9e
[INFO] running `"docker" "start" "-a" "08721fc38f8937f59c0a35a5e611e192df4795420b9238e5835c8dcfba27bd9e"`
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling dla v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `"docker" "inspect" "08721fc38f8937f59c0a35a5e611e192df4795420b9238e5835c8dcfba27bd9e"`
[INFO] running `"docker" "rm" "-f" "08721fc38f8937f59c0a35a5e611e192df4795420b9238e5835c8dcfba27bd9e"`
[INFO] [stdout] 08721fc38f8937f59c0a35a5e611e192df4795420b9238e5835c8dcfba27bd9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/mneumann/dla-rs:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] e5b687d768726f6305c40da2f7db3175d1c097e1da64f0e4ac3d25cb45016021
[INFO] running `"docker" "start" "-a" "e5b687d768726f6305c40da2f7db3175d1c097e1da64f0e4ac3d25cb45016021"`
[INFO] [stderr]    Compiling pcg v0.0.1 (https://github.com/codahale/pcg.git#ab0a1581)
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/pcg-7b542cc1086e3f82/ab0a158/src/pcg.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{Rng, SeedableRng, Rand};
[INFO] [stderr]   |                              ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `next_u32` is not a member of trait `Rng`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/pcg-7b542cc1086e3f82/ab0a158/src/pcg.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     fn next_u32(&mut self) -> u32 {
[INFO] [stderr] 50 | |         let old = self.state;
[INFO] [stderr] 51 | |         self.state = old.wrapping_mul(6364136223846793005)
[INFO] [stderr] 52 | |                         .wrapping_add(self.inc);
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |         out
[INFO] [stderr] 57 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Rng`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `reseed` is not a member of trait `SeedableRng`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/pcg-7b542cc1086e3f82/ab0a158/src/pcg.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     fn reseed(&mut self, seed: [u64; 2]) {
[INFO] [stderr] 63 | |         self.state = 0;
[INFO] [stderr] 64 | |         self.inc = (seed[1] << 1) | 1;
[INFO] [stderr] 65 | |         self.next_u32();
[INFO] [stderr] 66 | |         self.state = self.state.wrapping_add(seed[0]);
[INFO] [stderr] 67 | |         self.next_u32();
[INFO] [stderr] 68 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `SeedableRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/pcg-7b542cc1086e3f82/ab0a158/src/pcg.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl SeedableRng<[u64; 2]> for PcgRng {
[INFO] [stderr]    |                  ^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0407, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `pcg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e5b687d768726f6305c40da2f7db3175d1c097e1da64f0e4ac3d25cb45016021"`
[INFO] running `"docker" "rm" "-f" "e5b687d768726f6305c40da2f7db3175d1c097e1da64f0e4ac3d25cb45016021"`
[INFO] [stdout] e5b687d768726f6305c40da2f7db3175d1c097e1da64f0e4ac3d25cb45016021