[INFO] cloning repository https://github.com/ttakamura/binary-nn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttakamura/binary-nn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttakamura%2Fbinary-nn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttakamura%2Fbinary-nn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79cf37b6b746e717a107bb7a460b6f9df00e383b
[INFO] checking ttakamura/binary-nn-rust against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttakamura%2Fbinary-nn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttakamura/binary-nn-rust on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttakamura/binary-nn-rust
[INFO] finished tweaking git repo https://github.com/ttakamura/binary-nn-rust
[INFO] tweaked toml for git repo https://github.com/ttakamura/binary-nn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ttakamura/binary-nn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.9.12
[INFO] [stderr]   Downloaded serde_derive v0.9.12
[INFO] [stderr]   Downloaded bincode v1.0.0-alpha6
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ce1ed6499e2b21d4a3c82a4c85307659df3f73c1d53853f7ac9e6b49b6c02f
[INFO] running `Command { std: "docker" "start" "-a" "14ce1ed6499e2b21d4a3c82a4c85307659df3f73c1d53853f7ac9e6b49b6c02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ce1ed6499e2b21d4a3c82a4c85307659df3f73c1d53853f7ac9e6b49b6c02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ce1ed6499e2b21d4a3c82a4c85307659df3f73c1d53853f7ac9e6b49b6c02f", kill_on_drop: false }`
[INFO] [stdout] 14ce1ed6499e2b21d4a3c82a4c85307659df3f73c1d53853f7ac9e6b49b6c02f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb6efa73b94fb5a0c1a9bb21d94f0346f6367701dfee43eba371623259c96b5
[INFO] running `Command { std: "docker" "start" "-a" "7fb6efa73b94fb5a0c1a9bb21d94f0346f6367701dfee43eba371623259c96b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.12
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]     Checking bincode v1.0.0-alpha6
[INFO] [stderr]     Checking binary_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/backend/bitpack.rs:163:3
[INFO] [stdout]     |
[INFO] [stdout] 163 |   (1 << (Bitpack32::limit_index() - (index + 1)))
[INFO] [stdout]     |   ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -   (1 << (Bitpack32::limit_index() - (index + 1)))
[INFO] [stdout] 163 +   1 << (Bitpack32::limit_index() - (index + 1))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/backend/bitpack.rs:163:3
[INFO] [stdout]     |
[INFO] [stdout] 163 |   (1 << (Bitpack32::limit_index() - (index + 1)))
[INFO] [stdout]     |   ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -   (1 << (Bitpack32::limit_index() - (index + 1)))
[INFO] [stdout] 163 +   1 << (Bitpack32::limit_index() - (index + 1))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Err(why) => panic!("couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Err(why) => panic!("couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:64:61
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Err(why) => panic!("couldn't read {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:64:61
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Err(why) => panic!("couldn't read {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:75:61
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Err(why) => panic!("Couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:75:61
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Err(why) => panic!("Couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:79:61
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Err(why) => panic!("Couldn't read {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/loader.rs:79:61
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Err(why) => panic!("Couldn't read {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:15:65
[INFO] [stdout]    |
[INFO] [stdout] 15 |       Err(why) => panic!("Couldn't create {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:15:65
[INFO] [stdout]    |
[INFO] [stdout] 15 |       Err(why) => panic!("Couldn't create {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:19:68
[INFO] [stdout]    |
[INFO] [stdout] 19 |       Err(why) => panic!("Couldn't serialize {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:26:63
[INFO] [stdout]    |
[INFO] [stdout] 26 |       Err(why) => panic!("Couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:19:68
[INFO] [stdout]    |
[INFO] [stdout] 19 |       Err(why) => panic!("Couldn't serialize {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:26:63
[INFO] [stdout]    |
[INFO] [stdout] 26 |       Err(why) => panic!("Couldn't open {}, {}", path, Error::description(&why)),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |                Error::description(&why))
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:41:60
[INFO] [stdout]    |
[INFO] [stdout] 41 |       Err(why) => panic!("Couldn't deserialize {}", Error::description(&why)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |                Error::description(&why))
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:41:60
[INFO] [stdout]    |
[INFO] [stdout] 41 |       Err(why) => panic!("Couldn't deserialize {}", Error::description(&why)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/bitmatrix_test.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut x = BitMatrix2::falses((3, 34));
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/bitmatrix_test.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut y = BitMatrix2::falses((34, 2));
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "7fb6efa73b94fb5a0c1a9bb21d94f0346f6367701dfee43eba371623259c96b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb6efa73b94fb5a0c1a9bb21d94f0346f6367701dfee43eba371623259c96b5", kill_on_drop: false }`
[INFO] [stdout] 7fb6efa73b94fb5a0c1a9bb21d94f0346f6367701dfee43eba371623259c96b5
