[INFO] cloning repository https://github.com/hinohi/rust-mancala
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hinohi/rust-mancala" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Frust-mancala", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Frust-mancala'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c2e345ebef2a34630c98065072b18be6bd97abf
[INFO] checking hinohi/rust-mancala against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Frust-mancala" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinohi/rust-mancala on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/hinohi/rust-mancala
[INFO] finished tweaking git repo https://github.com/hinohi/rust-mancala
[INFO] tweaked toml for git repo https://github.com/hinohi/rust-mancala written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/hinohi/rust-nn`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded rmp-serde v0.15.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c3fdf0286de7b5b3cac56cd0e810e6b5e0a11c5383dc4946a80ac8e79d0ee1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c3fdf0286de7b5b3cac56cd0e810e6b5e0a11c5383dc4946a80ac8e79d0ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3fdf0286de7b5b3cac56cd0e810e6b5e0a11c5383dc4946a80ac8e79d0ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3fdf0286de7b5b3cac56cd0e810e6b5e0a11c5383dc4946a80ac8e79d0ee1d", kill_on_drop: false }`
[INFO] [stdout] 3c3fdf0286de7b5b3cac56cd0e810e6b5e0a11c5383dc4946a80ac8e79d0ee1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7883fcf442f44c0ae3fc5ea24377741a6bcba323c15c127b5f93425cf3cbc63f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7883fcf442f44c0ae3fc5ea24377741a6bcba323c15c127b5f93425cf3cbc63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking same-file v1.0.6
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[INFO] [stderr]     Checking oorandom v11.1.3
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[INFO] [stderr]     Checking matrixmultiply v0.2.4
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking rmp-serde v0.15.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking rust-nn v0.1.0 (https://github.com/hinohi/rust-nn#f8f79963)
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:251:39
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:340:47
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] ...
[INFO] [stdout] 390 | impl_nn!(NN2Regression, build_nn2, decode_nn2, 2);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:340:47
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] ...
[INFO] [stdout] 391 | impl_nn!(NN3Regression, build_nn3, decode_nn3, 3);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:340:47
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] ...
[INFO] [stdout] 392 | impl_nn!(NN4Regression, build_nn4, decode_nn4, 4);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:340:47
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] ...
[INFO] [stdout] 393 | impl_nn!(NN5Regression, build_nn5, decode_nn5, 5);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `Mcg128Xsl64` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-nn-c2199c61152e778a/f8f7996/src/train/regression.rs:340:47
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 let mut random = Mcg128Xsl64::from_entropy();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `Mcg128Xsl64`
[INFO] [stdout] ...
[INFO] [stdout] 394 | impl_nn!(NN6Regression, build_nn6, decode_nn6, 6);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-nn`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7883fcf442f44c0ae3fc5ea24377741a6bcba323c15c127b5f93425cf3cbc63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7883fcf442f44c0ae3fc5ea24377741a6bcba323c15c127b5f93425cf3cbc63f", kill_on_drop: false }`
[INFO] [stdout] 7883fcf442f44c0ae3fc5ea24377741a6bcba323c15c127b5f93425cf3cbc63f