[INFO] fetching crate tttr-toolbox 0.4.5...
[INFO] checking tttr-toolbox-0.4.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tttr-toolbox 0.4.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tttr-toolbox 0.4.5 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 tttr-toolbox 0.4.5
[INFO] finished tweaking crates.io crate tttr-toolbox 0.4.5
[INFO] tweaked toml for crates.io crate tttr-toolbox 0.4.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tttr-toolbox 0.4.5 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 pest_generator v2.7.0
[INFO] [stderr]   Downloaded pest_meta v2.7.0
[INFO] [stderr]   Downloaded pest_derive v2.7.0
[INFO] [stderr]   Downloaded py_literal v0.4.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.9
[INFO] [stderr]   Downloaded tttr-toolbox-proc-macros v0.1.1
[INFO] [stderr]   Downloaded ndarray-npy v0.8.1
[INFO] [stderr]   Downloaded pest v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 81b9d9fa0bb8f5321d142f409f5ec3a6c2d95c4be03e4a7a8c25123cf5b6befe
[INFO] running `Command { std: "docker" "start" "-a" "81b9d9fa0bb8f5321d142f409f5ec3a6c2d95c4be03e4a7a8c25123cf5b6befe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b9d9fa0bb8f5321d142f409f5ec3a6c2d95c4be03e4a7a8c25123cf5b6befe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b9d9fa0bb8f5321d142f409f5ec3a6c2d95c4be03e4a7a8c25123cf5b6befe", kill_on_drop: false }`
[INFO] [stdout] 81b9d9fa0bb8f5321d142f409f5ec3a6c2d95c4be03e4a7a8c25123cf5b6befe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d32ab6799fb57c5e3719f82db2ae0117a0012e9b3d9b4b827bc6200cf9859658
[INFO] running `Command { std: "docker" "start" "-a" "d32ab6799fb57c5e3719f82db2ae0117a0012e9b3d9b4b827bc6200cf9859658", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling target-lexicon v0.12.9
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pyo3-build-config v0.19.1
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling pyo3-ffi v0.19.1
[INFO] [stderr]    Compiling pyo3 v0.19.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.1
[INFO] [stderr]    Compiling pest v2.7.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]    Compiling tttr-toolbox-proc-macros v0.1.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling pest_meta v2.7.0
[INFO] [stderr]    Compiling pest_generator v2.7.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.1
[INFO] [stderr]    Compiling pest_derive v2.7.0
[INFO] [stderr]     Checking py_literal v0.4.0
[INFO] [stderr]     Checking ndarray-npy v0.8.1
[INFO] [stderr]     Checking tttr-toolbox v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `pyo3` is imported redundantly
[INFO] [stdout]  --> src/parsers/ptu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pyo3;
[INFO] [stdout]   |     ^^^^ the item `pyo3` 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 `pyo3` is imported redundantly
[INFO] [stdout]  --> src/parsers/ptu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pyo3;
[INFO] [stdout]   |     ^^^^ the item `pyo3` is already defined by prelude
[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: the item `std` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std;
[INFO] [stdout]   |     ^^^ the item `std` 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 `std` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "d32ab6799fb57c5e3719f82db2ae0117a0012e9b3d9b4b827bc6200cf9859658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32ab6799fb57c5e3719f82db2ae0117a0012e9b3d9b4b827bc6200cf9859658", kill_on_drop: false }`
[INFO] [stdout] d32ab6799fb57c5e3719f82db2ae0117a0012e9b3d9b4b827bc6200cf9859658