[INFO] fetching crate auto-diff 0.5.9...
[INFO] testing auto-diff-0.5.9 against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] extracting crate auto-diff 0.5.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate auto-diff 0.5.9 on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "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-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3704c3a67fec3f86a0d4679e8f7f86807dfca3f7b35180bf580c0c1d11e61e83
[INFO] running `Command { std: "docker" "start" "-a" "3704c3a67fec3f86a0d4679e8f7f86807dfca3f7b35180bf580c0c1d11e61e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3704c3a67fec3f86a0d4679e8f7f86807dfca3f7b35180bf580c0c1d11e61e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3704c3a67fec3f86a0d4679e8f7f86807dfca3f7b35180bf580c0c1d11e61e83", kill_on_drop: false }`
[INFO] [stdout] 3704c3a67fec3f86a0d4679e8f7f86807dfca3f7b35180bf580c0c1d11e61e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc9f739f4e1ad63b85151b16d62c4fbbdb244b99884052c6cc89b25bdc1ac11
[INFO] running `Command { std: "docker" "start" "-a" "efc9f739f4e1ad63b85151b16d62c4fbbdb244b99884052c6cc89b25bdc1ac11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling lapack-src v0.8.0
[INFO] [stderr]    Compiling blas-src v0.8.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling blas-sys v0.7.1
[INFO] [stderr]    Compiling lapack-sys v0.14.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling blas v0.22.0
[INFO] [stderr]    Compiling lapack v0.19.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling auto-diff-macros v0.5.9
[INFO] [stderr]    Compiling tensor-rs v0.5.9
[INFO] [stderr]    Compiling auto-diff v0.5.9 (/opt/rustwide/workdir)
[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/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/prelude/mod.rs:129:13
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "efc9f739f4e1ad63b85151b16d62c4fbbdb244b99884052c6cc89b25bdc1ac11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc9f739f4e1ad63b85151b16d62c4fbbdb244b99884052c6cc89b25bdc1ac11", kill_on_drop: false }`
[INFO] [stdout] efc9f739f4e1ad63b85151b16d62c4fbbdb244b99884052c6cc89b25bdc1ac11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf8adc7932fdd7bcb9744eb6316cc9c9afce8c24c63f8439db65b4781e01381
[INFO] running `Command { std: "docker" "start" "-a" "fcf8adc7932fdd7bcb9744eb6316cc9c9afce8c24c63f8439db65b4781e01381", 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 crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tensorboard-proto v0.5.7
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling iter-read v0.3.1
[INFO] [stderr]    Compiling serde-pickle v0.6.3
[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/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/prelude/mod.rs:129:13
[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] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tensorboard-rs v0.5.9
[INFO] [stderr]    Compiling auto-diff v0.5.9 (/opt/rustwide/workdir)
[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 `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 here
[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 here
[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: 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/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/prelude/mod.rs:129:13
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5m 25s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "fcf8adc7932fdd7bcb9744eb6316cc9c9afce8c24c63f8439db65b4781e01381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf8adc7932fdd7bcb9744eb6316cc9c9afce8c24c63f8439db65b4781e01381", kill_on_drop: false }`
[INFO] [stdout] fcf8adc7932fdd7bcb9744eb6316cc9c9afce8c24c63f8439db65b4781e01381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dc46425990a4dd465851947cc16a9d944bca2444b9239634553aedc581d8528
[INFO] running `Command { std: "docker" "start" "-a" "9dc46425990a4dd465851947cc16a9d944bca2444b9239634553aedc581d8528", 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] warning: the item `TryFrom` is imported redundantly
[INFO] [stderr]  --> src/var.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]  --> /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/prelude/mod.rs:129:13
[INFO] [stderr]   |
[INFO] [stderr]   = note: the item `TryFrom` is already defined here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-diff` (lib) generated 1 warning
[INFO] [stderr] warning: the item `csv` is imported redundantly
[INFO] [stderr]   --> examples/logistic_regression.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use csv;
[INFO] [stderr]    |     ^^^ the item `csv` is already defined here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Var` is imported redundantly
[INFO] [stderr]   --> src/optim.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     use crate::var::Var;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 93 |     use super::*;
[INFO] [stderr]    |         -------- the item `Var` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `GenKey` is imported redundantly
[INFO] [stderr]    --> src/collection/directed_graph.rs:467:49
[INFO] [stderr]     |
[INFO] [stderr] 466 |     use super::*;
[INFO] [stderr]     |         -------- the item `GenKey` is already imported here
[INFO] [stderr] 467 |     use crate::collection::generational_index::{GenKey};
[INFO] [stderr]     |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `StdRng` is imported redundantly
[INFO] [stderr]  --> examples/mlp_mnist.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::prelude::*;
[INFO] [stderr]   |     ---------------- the item `StdRng` is already imported here
[INFO] [stderr] 5 | use ::rand::prelude::StdRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `csv` is imported redundantly
[INFO] [stderr]  --> examples/mlp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use csv;
[INFO] [stderr]   |     ^^^ the item `csv` is already defined here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-diff` (example "logistic_regression") generated 1 warning
[INFO] [stderr] warning: `auto-diff` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr] warning: `auto-diff` (example "mlp_mnist") generated 1 warning
[INFO] [stderr] warning: `auto-diff` (example "mlp") generated 1 warning
[INFO] [stderr] warning: the item `StdRng` is imported redundantly
[INFO] [stderr]  --> examples/cnn_mnist.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::prelude::*;
[INFO] [stderr]   |     ---------------- the item `StdRng` is already imported here
[INFO] [stderr] 6 | use ::rand::prelude::StdRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-diff` (example "cnn_mnist") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[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 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_diff-b889609f4fcd24c6)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test collection::directed_graph::tests::new ... ok
[INFO] [stdout] test collection::directed_graph::tests::test_get_input_cache ... ok
[INFO] [stdout] test collection::generational_index::tests::iter ... ok
[INFO] [stdout] test collection::directed_graph::tests::iter ... ok
[INFO] [stdout] test collection::generational_index::tests::genindex_new_add_del ... ok
[INFO] [stdout] test collection::directed_graph::tests::add_data ... ok
[INFO] [stdout] test collection::directed_graph::tests::test_get_output_cache ... ok
[INFO] [stdout] test collection::undirected_graph::tests::new ... ok
[INFO] [stdout] test op::element::tests::abs ... ok
[INFO] [stdout] test collection::generational_index::tests::test_gen_index ... ok
[INFO] [stdout] test op::element::tests::ceil ... ok
[INFO] [stdout] test op::element::tests::cos ... ok
[INFO] [stdout] test op::element::tests::acos ... ok
[INFO] [stdout] test op::element::tests::asin ... ok
[INFO] [stdout] test op::element::tests::expm1 ... ok
[INFO] [stdout] test op::element::tests::frac ... ok
[INFO] [stdout] test op::element::tests::cosh ... ok
[INFO] [stdout] test op::element::tests::floor ... ok
[INFO] [stdout] test op::element::tests::log ... ok
[INFO] [stdout] test op::element::tests::log10 ... ok
[INFO] [stdout] test op::element::tests::log1p ... ok
[INFO] [stdout] test op::element::tests::log2 ... ok
[INFO] [stdout] test op::element::tests::round ... ok
[INFO] [stdout] test op::element::tests::sigmoid ... ok
[INFO] [stdout] test err::tests::test ... ok
[INFO] [stdout] test op::element::tests::sign ... ok
[INFO] [stdout] test op::element::tests::exp ... ok
[INFO] [stdout] test op::element::tests::rsqrt ... ok
[INFO] [stdout] test op::element::tests::sqrt ... ok
[INFO] [stdout] test op::element::tests::atan ... ok
[INFO] [stdout] test op::element::tests::sinh ... ok
[INFO] [stdout] test op::element::tests::log1pexp ... ok
[INFO] [stdout] test op::element::tests::neg ... ok
[INFO] [stdout] test op::element::tests::reciprocal ... ok
[INFO] [stdout] test op::element::tests::tan ... ok
[INFO] [stdout] test op::element::tests::tanh ... ok
[INFO] [stdout] test op::element::tests::trunc ... ok
[INFO] [stdout] test op::nonlinear::tests::sine ... ok
[INFO] [stdout] test op::local::tests::matmul ... ok
[INFO] [stdout] test serde::directed_graph::tests::test_serde_graph ... ok
[INFO] [stdout] test serde::generational_index::tests::test_serde_genindex ... ok
[INFO] [stdout] test op::nonlinear::tests::elu ... ok
[INFO] [stdout] test op::nonlinear::tests::relu ... ok
[INFO] [stdout] test op::nonlinear::tests::sigmoid ... ok
[INFO] [stdout] test op::loss::tests::test_cross_entropy_loss ... ok
[INFO] [stdout] test serde::generational_index::tests::test_serde_genkey ... ok
[INFO] [stdout] test serde::var_inner::tests::test_serde_var_inner ... ok
[INFO] [stdout] test serde::var::tests::test_serde_var_inner ... ok
[INFO] [stdout] test var::tests::test_add_in_fn ... ok
[INFO] [stdout] test var::tests::test_op_mse ... ok
[INFO] [stdout] test optim::tests::mini_batch ... ok
[INFO] [stdout] test serde::compute_graph::tests::test_serde_net ... ok
[INFO] [stdout] test serde::op::tests::test_serde_op ... ok
[INFO] [stdout] test var::tests::mul ... ok
[INFO] [stdout] test var::tests::test_linear ... ok
[INFO] [stdout] test var::tests::test_macro_tensor ... ok
[INFO] [stdout] test var::tests::test_mul_repeat_vars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests auto-diff
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/var.rs - var::Var::stack (line 472) ... ok
[INFO] [stdout] test src/var.rs - var::Var::set_patch (line 527) ... ok
[INFO] [stdout] test src/var.rs - var::Var::outer (line 264) ... ok
[INFO] [stdout] test src/var.rs - var::Var::get_patch (line 510) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9dc46425990a4dd465851947cc16a9d944bca2444b9239634553aedc581d8528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc46425990a4dd465851947cc16a9d944bca2444b9239634553aedc581d8528", kill_on_drop: false }`
[INFO] [stdout] 9dc46425990a4dd465851947cc16a9d944bca2444b9239634553aedc581d8528
[INFO] testing auto-diff-0.5.9 against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] extracting crate auto-diff 0.5.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate auto-diff 0.5.9 on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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-3-tc2/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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 499b9b353f64dc4dafa69683667ca2ae709822f1a7f45e4fa136c125acfcc79d
[INFO] running `Command { std: "docker" "start" "-a" "499b9b353f64dc4dafa69683667ca2ae709822f1a7f45e4fa136c125acfcc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "499b9b353f64dc4dafa69683667ca2ae709822f1a7f45e4fa136c125acfcc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499b9b353f64dc4dafa69683667ca2ae709822f1a7f45e4fa136c125acfcc79d", kill_on_drop: false }`
[INFO] [stdout] 499b9b353f64dc4dafa69683667ca2ae709822f1a7f45e4fa136c125acfcc79d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442d53096c5b9cab46c19cd13b9e7fdfe9573bbe7dcb871f6945990f20c04d87
[INFO] running `Command { std: "docker" "start" "-a" "442d53096c5b9cab46c19cd13b9e7fdfe9573bbe7dcb871f6945990f20c04d87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling blas-src v0.8.0
[INFO] [stderr]    Compiling lapack-src v0.8.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling blas-sys v0.7.1
[INFO] [stderr]    Compiling lapack-sys v0.14.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling lapack v0.19.0
[INFO] [stderr]    Compiling blas v0.22.0
[INFO] [stderr]    Compiling auto-diff-macros v0.5.9
[INFO] [stderr]    Compiling tensor-rs v0.5.9
[INFO] [stderr]    Compiling auto-diff v0.5.9 (/opt/rustwide/workdir)
[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/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/prelude/mod.rs:129:13
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "442d53096c5b9cab46c19cd13b9e7fdfe9573bbe7dcb871f6945990f20c04d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442d53096c5b9cab46c19cd13b9e7fdfe9573bbe7dcb871f6945990f20c04d87", kill_on_drop: false }`
[INFO] [stdout] 442d53096c5b9cab46c19cd13b9e7fdfe9573bbe7dcb871f6945990f20c04d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f008b576517f2b6c5ea7f6011a878c08cdcf5dd2c1153867fa98bc3ed210db
[INFO] running `Command { std: "docker" "start" "-a" "c0f008b576517f2b6c5ea7f6011a878c08cdcf5dd2c1153867fa98bc3ed210db", 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 crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling png v0.16.8
[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]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling tensorboard-proto v0.5.7
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling iter-read v0.3.1
[INFO] [stderr]    Compiling serde-pickle v0.6.3
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tensorboard-rs v0.5.9
[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/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/prelude/mod.rs:129:13
[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] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c0f008b576517f2b6c5ea7f6011a878c08cdcf5dd2c1153867fa98bc3ed210db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f008b576517f2b6c5ea7f6011a878c08cdcf5dd2c1153867fa98bc3ed210db", kill_on_drop: false }`
[INFO] [stdout] c0f008b576517f2b6c5ea7f6011a878c08cdcf5dd2c1153867fa98bc3ed210db