[INFO] updating cached repository muchomacho/diplearn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/muchomacho/diplearn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/muchomacho/diplearn" "work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/muchomacho/diplearn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/muchomacho/diplearn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/muchomacho/diplearn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 985bce61eb23f4a2687fdd0cddbccaa46137bf82
[INFO] sha for GitHub repo muchomacho/diplearn: 985bce61eb23f4a2687fdd0cddbccaa46137bf82
[INFO] validating manifest of muchomacho/diplearn 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 muchomacho/diplearn 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 muchomacho/diplearn
[INFO] finished frobbing muchomacho/diplearn
[INFO] frobbed toml for muchomacho/diplearn written to work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn/Cargo.toml
[INFO] started frobbing muchomacho/diplearn
[INFO] finished frobbing muchomacho/diplearn
[INFO] frobbed toml for muchomacho/diplearn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/muchomacho/diplearn/Cargo.toml
[INFO] crate muchomacho/diplearn 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing muchomacho/diplearn 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn:/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] b0d44814fc531fec2704ab157b3f7aa5b39de01b605d11a5aef653cdd0983ab1
[INFO] running `"docker" "start" "-a" "b0d44814fc531fec2704ab157b3f7aa5b39de01b605d11a5aef653cdd0983ab1"`
[INFO] [stderr]    Compiling diplearn v1.27.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mlp.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut vec = vec![0.0; dims[i + 1]];
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `"docker" "inspect" "b0d44814fc531fec2704ab157b3f7aa5b39de01b605d11a5aef653cdd0983ab1"`
[INFO] running `"docker" "rm" "-f" "b0d44814fc531fec2704ab157b3f7aa5b39de01b605d11a5aef653cdd0983ab1"`
[INFO] [stdout] b0d44814fc531fec2704ab157b3f7aa5b39de01b605d11a5aef653cdd0983ab1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6240ec1b639cae48f374a9b56f86f8163bf3a48c110a45b9ac9d3359c5894c6d
[INFO] running `"docker" "start" "-a" "6240ec1b639cae48f374a9b56f86f8163bf3a48c110a45b9ac9d3359c5894c6d"`
[INFO] [stderr]    Compiling diplearn v1.27.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mlp.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut vec = vec![0.0; dims[i + 1]];
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "6240ec1b639cae48f374a9b56f86f8163bf3a48c110a45b9ac9d3359c5894c6d"`
[INFO] running `"docker" "rm" "-f" "6240ec1b639cae48f374a9b56f86f8163bf3a48c110a45b9ac9d3359c5894c6d"`
[INFO] [stdout] 6240ec1b639cae48f374a9b56f86f8163bf3a48c110a45b9ac9d3359c5894c6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/muchomacho/diplearn:/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" "test" "--frozen"`
[INFO] [stdout] acca870e9dc2830819c3d0f36c81261f1042d4bf20e015522903c1763939f284
[INFO] running `"docker" "start" "-a" "acca870e9dc2830819c3d0f36c81261f1042d4bf20e015522903c1763939f284"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diplearn-50fbb376aec6ad7a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diplearn-d433df4d20ba7245
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diplearn
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "acca870e9dc2830819c3d0f36c81261f1042d4bf20e015522903c1763939f284"`
[INFO] running `"docker" "rm" "-f" "acca870e9dc2830819c3d0f36c81261f1042d4bf20e015522903c1763939f284"`
[INFO] [stdout] acca870e9dc2830819c3d0f36c81261f1042d4bf20e015522903c1763939f284