[INFO] cloning repository https://github.com/crwood/degen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crwood/degen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrwood%2Fdegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrwood%2Fdegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54e00cc5909b50e39700fa0083aa71d1a5b6612c
[INFO] checking crwood/degen against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrwood%2Fdegen" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crwood/degen 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 git repo https://github.com/crwood/degen
[INFO] finished tweaking git repo https://github.com/crwood/degen
[INFO] tweaked toml for git repo https://github.com/crwood/degen written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding pbkdf2 v0.11.0 (latest: v0.12.2)
[INFO] [stderr]       Adding pyo3 v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-ffi v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pem-rfc7468 v1.0.0-pre.0
[INFO] [stderr]   Downloaded spki v0.8.0-pre.0
[INFO] [stderr]   Downloaded digest v0.11.0-pre.8
[INFO] [stderr]   Downloaded signature v2.3.0-pre.3
[INFO] [stderr]   Downloaded crypto-common v0.2.0-pre.5
[INFO] [stderr]   Downloaded hybrid-array v0.2.0-rc.8
[INFO] [stderr]   Downloaded pkcs1 v0.8.0-pre.0
[INFO] [stderr]   Downloaded der v0.8.0-pre.0
[INFO] [stderr]   Downloaded pkcs8 v0.11.0-pre.0
[INFO] [stderr]   Downloaded const-oid v0.10.0-pre.2
[INFO] [stderr]   Downloaded rsa v0.10.0-pre.1
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d3db788a4889fb2449cd09581d9d361e8b060c9fcec2448edc38f2015b3f27
[INFO] running `Command { std: "docker" "start" "-a" "33d3db788a4889fb2449cd09581d9d361e8b060c9fcec2448edc38f2015b3f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d3db788a4889fb2449cd09581d9d361e8b060c9fcec2448edc38f2015b3f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d3db788a4889fb2449cd09581d9d361e8b060c9fcec2448edc38f2015b3f27", kill_on_drop: false }`
[INFO] [stdout] 33d3db788a4889fb2449cd09581d9d361e8b060c9fcec2448edc38f2015b3f27
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c237b8485921237996f9c5020ac5e04753334688fc0ec2c5f785c42bf8d8b9
[INFO] running `Command { std: "docker" "start" "-a" "70c237b8485921237996f9c5020ac5e04753334688fc0ec2c5f785c42bf8d8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking const-oid v0.10.0-pre.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pem-rfc7468 v1.0.0-pre.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking hybrid-array v0.2.0-rc.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.2.0-pre.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking digest v0.11.0-pre.8
[INFO] [stderr]     Checking signature v2.3.0-pre.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking der v0.8.0-pre.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking tiny-bip39 v1.0.0
[INFO] [stderr]     Checking spki v0.8.0-pre.0
[INFO] [stderr]     Checking pkcs8 v0.11.0-pre.0
[INFO] [stderr]     Checking pkcs1 v0.8.0-pre.0
[INFO] [stderr]     Checking rsa v0.10.0-pre.1
[INFO] [stderr]     Checking deterministic-keygen v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `blake3` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use blake3;
[INFO] [stdout]   |     ^^^^^^ the item `blake3` 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 `blake3` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use blake3;
[INFO] [stdout]   |     ^^^^^^ the item `blake3` 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 19.09s
[INFO] running `Command { std: "docker" "inspect" "70c237b8485921237996f9c5020ac5e04753334688fc0ec2c5f785c42bf8d8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c237b8485921237996f9c5020ac5e04753334688fc0ec2c5f785c42bf8d8b9", kill_on_drop: false }`
[INFO] [stdout] 70c237b8485921237996f9c5020ac5e04753334688fc0ec2c5f785c42bf8d8b9