[INFO] fetching crate egobox-ego 0.13.0...
[INFO] checking egobox-ego-0.13.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate egobox-ego 0.13.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate egobox-ego 0.13.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egobox-ego 0.13.0
[INFO] finished tweaking crates.io crate egobox-ego 0.13.0
[INFO] tweaked toml for crates.io crate egobox-ego 0.13.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate egobox-ego 0.13.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.9.0
[INFO] [stderr]   Downloaded ndarray-npy v0.8.1
[INFO] [stderr]   Downloaded slsqp v0.1.1
[INFO] [stderr]   Downloaded ghost v0.1.16
[INFO] [stderr]   Downloaded py_literal v0.4.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded serial_test v0.9.0
[INFO] [stderr]   Downloaded linfa-pls v0.7.0
[INFO] [stderr]   Downloaded lax v0.15.0
[INFO] [stderr]   Downloaded egobox-doe v0.13.0
[INFO] [stderr]   Downloaded ndarray_einsum_beta v0.7.0
[INFO] [stderr]   Downloaded kdtree v0.6.0
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded argmin_testfunctions v0.1.1
[INFO] [stderr]   Downloaded argmin-math v0.3.0
[INFO] [stderr]   Downloaded clap_builder v4.4.9
[INFO] [stderr]   Downloaded argmin v0.8.1
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded cobyla v0.5.1
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded linfa v0.7.0
[INFO] [stderr]   Downloaded pest v2.7.5
[INFO] [stderr]   Downloaded clap v4.4.10
[INFO] [stderr]   Downloaded ctrlc v3.4.1
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded nlopt v0.6.0
[INFO] [stderr]   Downloaded egobox-gp v0.13.0
[INFO] [stderr]   Downloaded linfa-nn v0.7.0
[INFO] [stderr]   Downloaded egobox-moe v0.13.0
[INFO] [stderr]   Downloaded finitediff v0.1.4
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.15.0
[INFO] [stderr]   Downloaded pest_meta v2.7.5
[INFO] [stderr]   Downloaded pest_generator v2.7.5
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] [stderr]   Downloaded termcolor v1.4.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded space v0.12.1
[INFO] [stderr]   Downloaded linfa-clustering v0.7.0
[INFO] [stderr]   Downloaded env_logger v0.10.1
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded pest_derive v2.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3f2731d11309e01b4786c371f735837663c6e8951912f0d661ceb3d71fa4a8
[INFO] running `Command { std: "docker" "start" "-a" "5d3f2731d11309e01b4786c371f735837663c6e8951912f0d661ceb3d71fa4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3f2731d11309e01b4786c371f735837663c6e8951912f0d661ceb3d71fa4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3f2731d11309e01b4786c371f735837663c6e8951912f0d661ceb3d71fa4a8", kill_on_drop: false }`
[INFO] [stdout] 5d3f2731d11309e01b4786c371f735837663c6e8951912f0d661ceb3d71fa4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c339c474e86a0fdc5f7c35b44363a4fd12d035d3b94b1eba18fcaf1df1a93f3
[INFO] running `Command { std: "docker" "start" "-a" "0c339c474e86a0fdc5f7c35b44363a4fd12d035d3b94b1eba18fcaf1df1a93f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling linfa v0.7.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking space v0.12.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking clap_builder v4.4.9
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking slsqp v0.1.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking argmin_testfunctions v0.1.1
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling serial_test_derive v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling ghost v0.1.16
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serial_test v0.9.0
[INFO] [stderr]     Checking inventory v0.2.3
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking clap v4.4.10
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking py_literal v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking typetag v0.1.8
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking argmin-math v0.3.0
[INFO] [stderr]     Checking argmin v0.8.1
[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-linalg v0.1.0
[INFO] [stderr]     Checking ndarray_einsum_beta v0.7.0
[INFO] [stderr]     Checking ndarray-npy v0.8.1
[INFO] [stderr]     Checking finitediff v0.1.4
[INFO] [stderr]     Checking cobyla v0.5.1
[INFO] [stderr]     Checking linfa-pls v0.7.0
[INFO] [stderr]     Checking egobox-doe v0.13.0
[INFO] [stderr]     Checking linfa-nn v0.7.0
[INFO] [stderr]     Checking egobox-gp v0.13.0
[INFO] [stderr]     Checking linfa-clustering v0.7.0
[INFO] [stderr]     Checking egobox-moe v0.13.0
[INFO] [stderr]     Checking egobox-ego v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `CorrelationSpec` is imported redundantly
[INFO] [stdout]  --> src/egor_config.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::*;
[INFO] [stdout]   |     --------------- the item `CorrelationSpec` is already imported here
[INFO] [stdout] 4 | use egobox_moe::{CorrelationSpec, RegressionSpec};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RegressionSpec` is imported redundantly
[INFO] [stdout]  --> src/egor_config.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::*;
[INFO] [stdout]   |     --------------- the item `RegressionSpec` is already imported here
[INFO] [stdout] 4 | use egobox_moe::{CorrelationSpec, RegressionSpec};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CorrelationSpec` is imported redundantly
[INFO] [stdout]    --> src/egor_solver.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 114 | use crate::types::*;
[INFO] [stdout]     |     --------------- the item `CorrelationSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 118 | use egobox_moe::{ClusteredSurrogate, Clustering, CorrelationSpec, MoeParams, RegressionSpec};
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RegressionSpec` is imported redundantly
[INFO] [stdout]    --> src/egor_solver.rs:118:78
[INFO] [stdout]     |
[INFO] [stdout] 114 | use crate::types::*;
[INFO] [stdout]     |     --------------- the item `RegressionSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 118 | use egobox_moe::{ClusteredSurrogate, Clustering, CorrelationSpec, MoeParams, RegressionSpec};
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CorrelationSpec` is imported redundantly
[INFO] [stdout]  --> src/egor_config.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::*;
[INFO] [stdout]   |     --------------- the item `CorrelationSpec` is already imported here
[INFO] [stdout] 4 | use egobox_moe::{CorrelationSpec, RegressionSpec};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RegressionSpec` is imported redundantly
[INFO] [stdout]  --> src/egor_config.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::*;
[INFO] [stdout]   |     --------------- the item `RegressionSpec` is already imported here
[INFO] [stdout] 4 | use egobox_moe::{CorrelationSpec, RegressionSpec};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CorrelationSpec` is imported redundantly
[INFO] [stdout]    --> src/egor_solver.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 114 | use crate::types::*;
[INFO] [stdout]     |     --------------- the item `CorrelationSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 118 | use egobox_moe::{ClusteredSurrogate, Clustering, CorrelationSpec, MoeParams, RegressionSpec};
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RegressionSpec` is imported redundantly
[INFO] [stdout]    --> src/egor_solver.rs:118:78
[INFO] [stdout]     |
[INFO] [stdout] 114 | use crate::types::*;
[INFO] [stdout]     |     --------------- the item `RegressionSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 118 | use egobox_moe::{ClusteredSurrogate, Clustering, CorrelationSpec, MoeParams, RegressionSpec};
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CorrelationSpec` is imported redundantly
[INFO] [stdout]    --> src/mixint.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |     use super::*;
[INFO] [stdout]     |         -------- the item `CorrelationSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 710 |     use egobox_moe::CorrelationSpec;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]  --> examples/mopta08.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ------------------- the item `BufRead` is already imported here
[INFO] [stdout] 7 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.00s
[INFO] running `Command { std: "docker" "inspect" "0c339c474e86a0fdc5f7c35b44363a4fd12d035d3b94b1eba18fcaf1df1a93f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c339c474e86a0fdc5f7c35b44363a4fd12d035d3b94b1eba18fcaf1df1a93f3", kill_on_drop: false }`
[INFO] [stdout] 0c339c474e86a0fdc5f7c35b44363a4fd12d035d3b94b1eba18fcaf1df1a93f3
[INFO] checking egobox-ego-0.13.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate egobox-ego 0.13.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate egobox-ego 0.13.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egobox-ego 0.13.0
[INFO] finished tweaking crates.io crate egobox-ego 0.13.0
[INFO] tweaked toml for crates.io crate egobox-ego 0.13.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate egobox-ego 0.13.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6377d622ef3a2a6eb79245d89450f4a72805aca89349447f3e00dac3f0666560
[INFO] running `Command { std: "docker" "start" "-a" "6377d622ef3a2a6eb79245d89450f4a72805aca89349447f3e00dac3f0666560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6377d622ef3a2a6eb79245d89450f4a72805aca89349447f3e00dac3f0666560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6377d622ef3a2a6eb79245d89450f4a72805aca89349447f3e00dac3f0666560", kill_on_drop: false }`
[INFO] [stdout] 6377d622ef3a2a6eb79245d89450f4a72805aca89349447f3e00dac3f0666560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b202f191c3bca3ebaf72678991ce18f3d40059ac91c7c5e6b16ba1f1916ae6ed
[INFO] running `Command { std: "docker" "start" "-a" "b202f191c3bca3ebaf72678991ce18f3d40059ac91c7c5e6b16ba1f1916ae6ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linfa v0.7.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.16/src/sync/parker.rs:371:25
[INFO] [stdout]     |
[INFO] [stdout] 371 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 372 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 373 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 374 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b202f191c3bca3ebaf72678991ce18f3d40059ac91c7c5e6b16ba1f1916ae6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b202f191c3bca3ebaf72678991ce18f3d40059ac91c7c5e6b16ba1f1916ae6ed", kill_on_drop: false }`
[INFO] [stdout] b202f191c3bca3ebaf72678991ce18f3d40059ac91c7c5e6b16ba1f1916ae6ed