[INFO] cloning repository https://github.com/aspera-non-spernit/guru
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aspera-non-spernit/guru" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspera-non-spernit%2Fguru", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspera-non-spernit%2Fguru'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f34ee97e93cb6b8f0be036b9175e20bec3e55fc
[INFO] testing aspera-non-spernit/guru against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspera-non-spernit%2Fguru" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aspera-non-spernit/guru on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aspera-non-spernit/guru
[INFO] finished tweaking git repo https://github.com/aspera-non-spernit/guru
[INFO] tweaked toml for git repo https://github.com/aspera-non-spernit/guru written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aspera-non-spernit/guru 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded proc-macro2 v1.0.5
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2d54ea6517d950ea7b76df59fd88a772e100b7f2e16c144df2bc68ecc398d64
[INFO] running `Command { std: "docker" "start" "-a" "e2d54ea6517d950ea7b76df59fd88a772e100b7f2e16c144df2bc68ecc398d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2d54ea6517d950ea7b76df59fd88a772e100b7f2e16c144df2bc68ecc398d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d54ea6517d950ea7b76df59fd88a772e100b7f2e16c144df2bc68ecc398d64", kill_on_drop: false }`
[INFO] [stdout] e2d54ea6517d950ea7b76df59fd88a772e100b7f2e16c144df2bc68ecc398d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed527f9b9d91229f1aef76e055b5ad64e54de79dc07bcba2b79aefc710f55e06
[INFO] running `Command { std: "docker" "start" "-a" "ed527f9b9d91229f1aef76e055b5ad64e54de79dc07bcba2b79aefc710f55e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling guru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         (v - min)
[INFO] [stdout]    |         ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         (v - min)
[INFO] [stdout] 59 +         v - min
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `date` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Prediction {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 57 |     date: DateTime<FixedOffset>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Prediction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `goal_diff` is never used
[INFO] [stdout]    --> src/lib.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn goal_diff(stats: &mut Stats) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ed527f9b9d91229f1aef76e055b5ad64e54de79dc07bcba2b79aefc710f55e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed527f9b9d91229f1aef76e055b5ad64e54de79dc07bcba2b79aefc710f55e06", kill_on_drop: false }`
[INFO] [stdout] ed527f9b9d91229f1aef76e055b5ad64e54de79dc07bcba2b79aefc710f55e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0860671e7449c6ba44e4b59af57d0256b05a856c9d2747b1dc4005fc7f1eb7b9
[INFO] running `Command { std: "docker" "start" "-a" "0860671e7449c6ba44e4b59af57d0256b05a856c9d2747b1dc4005fc7f1eb7b9", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         (v - min)
[INFO] [stdout]    |         ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         (v - min)
[INFO] [stdout] 59 +         v - min
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `date` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Prediction {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 57 |     date: DateTime<FixedOffset>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Prediction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `goal_diff` is never used
[INFO] [stdout]    --> src/lib.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn goal_diff(stats: &mut Stats) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/neural/nn/mod.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         (v - min)
[INFO] [stdout]    |         ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         (v - min)
[INFO] [stdout] 59 +         v - min
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `date` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Prediction {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 57 |     date: DateTime<FixedOffset>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Prediction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `goal_diff` is never used
[INFO] [stdout]    --> src/lib.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn goal_diff(stats: &mut Stats) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0860671e7449c6ba44e4b59af57d0256b05a856c9d2747b1dc4005fc7f1eb7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0860671e7449c6ba44e4b59af57d0256b05a856c9d2747b1dc4005fc7f1eb7b9", kill_on_drop: false }`
[INFO] [stdout] 0860671e7449c6ba44e4b59af57d0256b05a856c9d2747b1dc4005fc7f1eb7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 468916b1854ade479d0ff399acec1409e958abbbe15a1a6d4bb3339f1abb11df
[INFO] running `Command { std: "docker" "start" "-a" "468916b1854ade479d0ff399acec1409e958abbbe15a1a6d4bb3339f1abb11df", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/neural/nn/mod.rs:184:24
[INFO] [stderr]     |
[INFO] [stderr] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/neural/nn/mod.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/utils/mod.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         (v - min)
[INFO] [stderr]    |         ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 59 -         (v - min)
[INFO] [stderr] 59 +         v - min
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `date` is never read
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Prediction {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 57 |     date: DateTime<FixedOffset>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Prediction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `goal_diff` is never used
[INFO] [stderr]    --> src/lib.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn goal_diff(stats: &mut Stats) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `guru` (lib) generated 5 warnings (run `cargo fix --lib -p guru` to apply 1 suggestion)
[INFO] [stderr] warning: `guru` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/guru-a362275b90013dfe)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/guru.rs (/opt/rustwide/target/debug/deps/guru-dae0eab4e5899c19)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests guru
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/utils/mod.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         (v - min)
[INFO] [stderr]    |         ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 59 -         (v - min)
[INFO] [stderr] 59 +         v - min
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/utils/mod.rs - utils::load_matches (line 13) ... FAILED
[INFO] [stdout] test src/neural/nn/mod.rs - neural::nn (line 28) ... FAILED
[INFO] [stdout] test src/generators.rs - generators::DefaultInputGenerator (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils/mod.rs - utils::load_matches (line 13) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]  --> src/utils/mod.rs:16:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     "date": "2019-05-12T19:00:00-04:00",
[INFO] [stdout]   |           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/neural/nn/mod.rs - neural::nn (line 28) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `nn`
[INFO] [stdout]  --> src/neural/nn/mod.rs:29:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nn::{NN, HaltCondition};
[INFO] [stdout]   |     ^^ use of undeclared crate or module `nn`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/generators.rs - generators::DefaultInputGenerator (line 11) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `DefaultInputGenerator` in this scope
[INFO] [stdout]  --> src/generators.rs:12:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl<'a> DefaultInputGenerator<'a> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use guru::generators::DefaultInputGenerator;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Match` in this scope
[INFO] [stdout]   --> src/generators.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn update(&mut self, m: &Match) {
[INFO] [stdout]    |                              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use guru::models::Match;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/generators.rs - generators::DefaultInputGenerator (line 11)
[INFO] [stdout]     src/neural/nn/mod.rs - neural::nn (line 28)
[INFO] [stdout]     src/utils/mod.rs - utils::load_matches (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "468916b1854ade479d0ff399acec1409e958abbbe15a1a6d4bb3339f1abb11df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468916b1854ade479d0ff399acec1409e958abbbe15a1a6d4bb3339f1abb11df", kill_on_drop: false }`
[INFO] [stdout] 468916b1854ade479d0ff399acec1409e958abbbe15a1a6d4bb3339f1abb11df
[INFO] testing aspera-non-spernit/guru against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspera-non-spernit%2Fguru" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aspera-non-spernit/guru on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aspera-non-spernit/guru
[INFO] finished tweaking git repo https://github.com/aspera-non-spernit/guru
[INFO] tweaked toml for git repo https://github.com/aspera-non-spernit/guru written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aspera-non-spernit/guru 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" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2eea861320de716b21168761b47ce43e276cb3a8bd95bc1431fe52015d49710
[INFO] running `Command { std: "docker" "start" "-a" "d2eea861320de716b21168761b47ce43e276cb3a8bd95bc1431fe52015d49710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2eea861320de716b21168761b47ce43e276cb3a8bd95bc1431fe52015d49710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2eea861320de716b21168761b47ce43e276cb3a8bd95bc1431fe52015d49710", kill_on_drop: false }`
[INFO] [stdout] d2eea861320de716b21168761b47ce43e276cb3a8bd95bc1431fe52015d49710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8762fb69768ca372fe8f658b446b48ba3e3377caf316d4833f82141aed12d42
[INFO] running `Command { std: "docker" "start" "-a" "f8762fb69768ca372fe8f658b446b48ba3e3377caf316d4833f82141aed12d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f8762fb69768ca372fe8f658b446b48ba3e3377caf316d4833f82141aed12d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8762fb69768ca372fe8f658b446b48ba3e3377caf316d4833f82141aed12d42", kill_on_drop: false }`
[INFO] [stdout] f8762fb69768ca372fe8f658b446b48ba3e3377caf316d4833f82141aed12d42
