[INFO] fetching crate auto-diff 0.5.9... [INFO] checking auto-diff-0.5.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate auto-diff 0.5.9 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate auto-diff 0.5.9 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 auto-diff 0.5.9 [INFO] finished tweaking crates.io crate auto-diff 0.5.9 [INFO] tweaked toml for crates.io crate auto-diff 0.5.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate auto-diff 0.5.9 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] Downloading crates ... [INFO] [stderr] Downloaded weezl v0.1.5 [INFO] [stderr] Downloaded tensorboard-rs v0.5.9 [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.8 [INFO] [stderr] Downloaded crossbeam-channel v0.5.4 [INFO] [stderr] Downloaded os_str_bytes v6.0.0 [INFO] [stderr] Downloaded xml-rs v0.8.4 [INFO] [stderr] Downloaded semver v0.11.0 [INFO] [stderr] Downloaded ansi_colours v1.1.1 [INFO] [stderr] Downloaded clircle v0.3.0 [INFO] [stderr] Downloaded bytesize v1.1.0 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Downloaded auto-diff-macros v0.5.9 [INFO] [stderr] Downloaded encoding v0.2.33 [INFO] [stderr] Downloaded encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Downloaded clap v3.1.6 [INFO] [stderr] Downloaded syn v1.0.89 [INFO] [stderr] Downloaded tensor-rs v0.5.9 [INFO] [stderr] Downloaded syntect v4.6.0 [INFO] [stderr] Downloaded tiff v0.6.1 [INFO] [stderr] Downloaded csv v1.1.6 [INFO] [stderr] Downloaded time v0.3.9 [INFO] [stderr] Downloaded plist v1.3.1 [INFO] [stderr] Downloaded num-bigint v0.3.3 [INFO] [stderr] Downloaded rgb v0.8.32 [INFO] [stderr] Downloaded console v0.15.0 [INFO] [stderr] Downloaded encoding-index-japanese v1.20141219.5 [INFO] [stderr] Downloaded encoding-index-korean v1.20141219.5 [INFO] [stderr] Downloaded encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Downloaded grep-cli v0.1.6 [INFO] [stderr] Downloaded path_abs v0.5.1 [INFO] [stderr] Downloaded clap_derive v3.1.4 [INFO] [stderr] Downloaded fancy-regex v0.7.1 [INFO] [stderr] Downloaded line-wrap v0.1.1 [INFO] [stderr] Downloaded home v0.5.3 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded dirs v3.0.2 [INFO] [stderr] Downloaded blas v0.22.0 [INFO] [stderr] Downloaded blas-src v0.8.0 [INFO] [stderr] Downloaded gif v0.11.3 [INFO] [stderr] Downloaded libm v0.2.2 [INFO] [stderr] Downloaded globset v0.4.8 [INFO] [stderr] Downloaded redox_users v0.4.2 [INFO] [stderr] Downloaded num-complex v0.4.0 [INFO] [stderr] Downloaded gethostname v0.2.3 [INFO] [stderr] Downloaded content_inspector v0.2.4 [INFO] [stderr] Downloaded encoding_index_tests v0.1.4 [INFO] [stderr] Downloaded std_prelude v0.2.12 [INFO] [stderr] Downloaded bit-set v0.5.2 [INFO] [stderr] Downloaded num_threads v0.1.5 [INFO] [stderr] Downloaded toml v0.5.8 [INFO] [stderr] Downloaded semver-parser v0.10.2 [INFO] [stderr] Downloaded toolchain_find v0.2.0 [INFO] [stderr] Downloaded syn-select v0.2.0 [INFO] [stderr] Downloaded cargo-expand v1.0.17 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded lapack-sys v0.14.0 [INFO] [stderr] Downloaded openblas-build v0.1.1 [INFO] [stderr] Downloaded serde-pickle v0.6.3 [INFO] [stderr] Downloaded lapack v0.19.0 [INFO] [stderr] Downloaded rand_distr v0.4.3 [INFO] [stderr] Downloaded bytemuck v1.8.0 [INFO] [stderr] Downloaded num-iter v0.1.42 [INFO] [stderr] Downloaded iter-read v0.3.1 [INFO] [stderr] Downloaded blas-sys v0.7.1 [INFO] [stderr] Downloaded openblas-src v0.10.4 [INFO] [stderr] Downloaded bat v0.20.0 [INFO] [stderr] Downloaded lapack-src v0.8.0 [INFO] [stderr] Downloaded protobuf v2.27.1 [INFO] [stderr] Downloaded tensorboard-proto v0.5.7 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94c1370038a9db78e9edd163d11ee7f5b99465ea6aa0fbd928c57887ded3d531 [INFO] running `Command { std: "docker" "start" "-a" "94c1370038a9db78e9edd163d11ee7f5b99465ea6aa0fbd928c57887ded3d531", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94c1370038a9db78e9edd163d11ee7f5b99465ea6aa0fbd928c57887ded3d531", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94c1370038a9db78e9edd163d11ee7f5b99465ea6aa0fbd928c57887ded3d531", kill_on_drop: false }` [INFO] [stdout] 94c1370038a9db78e9edd163d11ee7f5b99465ea6aa0fbd928c57887ded3d531 [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=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] a80dd53ed09c2c43eecefd8bed198093441986cb39a9682b27e8d0799a50a851 [INFO] running `Command { std: "docker" "start" "-a" "a80dd53ed09c2c43eecefd8bed198093441986cb39a9682b27e8d0799a50a851", kill_on_drop: false }` [INFO] [stderr] warning: auto-diff v0.5.9 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-expand` which is missing a lib target [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Compiling protobuf v2.27.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling dirs v3.0.2 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking lapack-sys v0.14.0 [INFO] [stderr] Checking blas-sys v0.7.1 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking lapack v0.19.0 [INFO] [stderr] Checking blas v0.22.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking lapack-src v0.8.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking blas-src v0.8.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.8.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking gethostname v0.2.3 [INFO] [stderr] Checking iter-read v0.3.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking tensorboard-proto v0.5.7 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling auto-diff-macros v0.5.9 [INFO] [stderr] Checking tensorboard-rs v0.5.9 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling openblas-build v0.1.1 [INFO] [stderr] Compiling openblas-src v0.10.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking tensor-rs v0.5.9 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde-pickle v0.6.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking auto-diff v0.5.9 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/var.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [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: the item `csv` is imported redundantly [INFO] [stdout] --> examples/mlp.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> examples/logistic_regression.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StdRng` is imported redundantly [INFO] [stdout] --> examples/cnn_mnist.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `StdRng` is already imported here [INFO] [stdout] 6 | use ::rand::prelude::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StdRng` is imported redundantly [INFO] [stdout] --> examples/mlp_mnist.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `StdRng` is already imported here [INFO] [stdout] 5 | use ::rand::prelude::StdRng; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/var.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Var` is imported redundantly [INFO] [stdout] --> src/optim.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | use crate::var::Var; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 93 | use super::*; [INFO] [stdout] | -------- the item `Var` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `GenKey` is imported redundantly [INFO] [stdout] --> src/collection/directed_graph.rs:467:49 [INFO] [stdout] | [INFO] [stdout] 466 | use super::*; [INFO] [stdout] | -------- the item `GenKey` is already imported here [INFO] [stdout] 467 | use crate::collection::generational_index::{GenKey}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "a80dd53ed09c2c43eecefd8bed198093441986cb39a9682b27e8d0799a50a851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a80dd53ed09c2c43eecefd8bed198093441986cb39a9682b27e8d0799a50a851", kill_on_drop: false }` [INFO] [stdout] a80dd53ed09c2c43eecefd8bed198093441986cb39a9682b27e8d0799a50a851