[INFO] cloning repository https://github.com/wbglaeser/ml-linreg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbglaeser/ml-linreg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbglaeser%2Fml-linreg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbglaeser%2Fml-linreg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4de67e99532aa2be0a8c6a4e0fa320f9cb346460
[INFO] checking wbglaeser/ml-linreg against try#83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1 for pr-134021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbglaeser%2Fml-linreg" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wbglaeser/ml-linreg
[INFO] finished tweaking git repo https://github.com/wbglaeser/ml-linreg
[INFO] tweaked toml for git repo https://github.com/wbglaeser/ml-linreg written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wbglaeser/ml-linreg on toolchain 83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wbglaeser/ml-linreg 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" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051
[INFO] running `Command { std: "docker" "start" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]     Checking plotly v0.4.1
[INFO] [stderr]     Checking darn v0.1.11
[INFO] [stderr]     Checking lin_reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:280:40
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn setup_ridge_factor(x: &Array2<f64>, a: f64) -> Array2<f64> {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |                 ^----------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Deserialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Record`
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ------ `Record` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:280:40
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn setup_ridge_factor(x: &Array2<f64>, a: f64) -> Array2<f64> {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |                 ^----------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Deserialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Record`
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ------ `Record` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051", kill_on_drop: false }`
[INFO] [stdout] f769703ddf3fc3b2ce0a6fc9b4a158f29b2d14e16d59d2973f84b8d86da90051
