[INFO] fetching crate custom-utils 0.10.15...
[INFO] checking custom-utils-0.10.15 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate custom-utils 0.10.15 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate custom-utils 0.10.15 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 custom-utils 0.10.15
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate custom-utils 0.10.15
[INFO] tweaked toml for crates.io crate custom-utils 0.10.15 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate custom-utils 0.10.15 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 x509-parser v0.13.2
[INFO] [stderr]   Downloaded asn1-rs-derive v0.1.0
[INFO] [stderr]   Downloaded deranged v0.3.8
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded pem-rfc7468 v0.3.1
[INFO] [stderr]   Downloaded notify v5.2.0
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.2.1
[INFO] [stderr]   Downloaded libsystemd v0.5.0
[INFO] [stderr]   Downloaded ctr v0.7.0
[INFO] [stderr]   Downloaded flexi_logger v0.24.2
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded num-bigint-dig v0.7.1
[INFO] [stderr]   Downloaded picky v6.3.0
[INFO] [stderr]   Downloaded pkcs1 v0.3.3
[INFO] [stderr]   Downloaded der v0.5.1
[INFO] [stderr]   Downloaded der-parser v7.0.0
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded oid v0.2.1
[INFO] [stderr]   Downloaded picky-asn1 v0.3.3
[INFO] [stderr]   Downloaded picky-asn1-der v0.2.5
[INFO] [stderr]   Downloaded picky-asn1-x509 v0.6.1
[INFO] [stderr]   Downloaded simple_asn1 v0.5.4
[INFO] [stderr]   Downloaded rsa v0.4.0
[INFO] [stderr]   Downloaded const-oid v0.7.1
[INFO] [stderr]   Downloaded crypto-bigint v0.3.2
[INFO] [stderr]   Downloaded spki v0.5.4
[INFO] [stderr]   Downloaded pkcs8 v0.8.0
[INFO] [stderr]   Downloaded rsa v0.6.1
[INFO] [stderr]   Downloaded asn1-rs v0.3.1
[INFO] [stderr]   Downloaded timer-util v0.3.6
[INFO] [stderr]   Downloaded oid-registry v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8829d3792298e84c5dbb4fe22d078380335b07d8b33f11c466e92547676037ba
[INFO] running `Command { std: "docker" "start" "-a" "8829d3792298e84c5dbb4fe22d078380335b07d8b33f11c466e92547676037ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8829d3792298e84c5dbb4fe22d078380335b07d8b33f11c466e92547676037ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8829d3792298e84c5dbb4fe22d078380335b07d8b33f11c466e92547676037ba", kill_on_drop: false }`
[INFO] [stdout] 8829d3792298e84c5dbb4fe22d078380335b07d8b33f11c466e92547676037ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 716c1fbfe943a9e67366dc1b12366414efcdc4a09cf319d62992ccef1b8391de
[INFO] running `Command { std: "docker" "start" "-a" "716c1fbfe943a9e67366dc1b12366414efcdc4a09cf319d62992ccef1b8391de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling num-bigint-dig v0.7.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking notify-debouncer-mini v0.2.1
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking aes-gcm v0.9.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking oid v0.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking picky-asn1 v0.3.3
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking picky-asn1-der v0.2.5
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking simple_asn1 v0.5.4
[INFO] [stderr]     Checking flexi_logger v0.24.2
[INFO] [stderr]     Checking custom-utils v0.10.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `flexi_logger::LoggerHandle`
[INFO] [stdout]  --> src/util_logger/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flexi_logger::LoggerHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util_txrx::*`
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use util_txrx::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rsa v0.4.0
[INFO] [stderr]     Checking picky-asn1-x509 v0.6.1
[INFO] [stderr]     Checking picky v6.3.0
[INFO] [stdout] warning: unused import: `flexi_logger::LoggerHandle`
[INFO] [stdout]  --> src/util_logger/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flexi_logger::LoggerHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util_txrx::*`
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use util_txrx::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "716c1fbfe943a9e67366dc1b12366414efcdc4a09cf319d62992ccef1b8391de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716c1fbfe943a9e67366dc1b12366414efcdc4a09cf319d62992ccef1b8391de", kill_on_drop: false }`
[INFO] [stdout] 716c1fbfe943a9e67366dc1b12366414efcdc4a09cf319d62992ccef1b8391de