[INFO] fetching crate noodles-vcf 0.47.0...
[INFO] checking noodles-vcf-0.47.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate noodles-vcf 0.47.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate noodles-vcf 0.47.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noodles-vcf 0.47.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate noodles-vcf 0.47.0
[INFO] tweaked toml for crates.io crate noodles-vcf 0.47.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate noodles-vcf 0.47.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noodles-core v0.12.0
[INFO] [stderr]   Downloaded noodles-csi v0.28.0
[INFO] [stderr]   Downloaded noodles-tabix v0.34.0
[INFO] [stderr]   Downloaded noodles-bgzf v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 917fb4d94ddb184955440ddbf92c25071660dc399df65ed356e4af1813b04d0a
[INFO] running `Command { std: "docker" "start" "-a" "917fb4d94ddb184955440ddbf92c25071660dc399df65ed356e4af1813b04d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917fb4d94ddb184955440ddbf92c25071660dc399df65ed356e4af1813b04d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917fb4d94ddb184955440ddbf92c25071660dc399df65ed356e4af1813b04d0a", kill_on_drop: false }`
[INFO] [stdout] 917fb4d94ddb184955440ddbf92c25071660dc399df65ed356e4af1813b04d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea6f8283589f6fbfe1ee8ef45b52b98dc0243c51a33cf17475d44b2471efedb3
[INFO] running `Command { std: "docker" "start" "-a" "ea6f8283589f6fbfe1ee8ef45b52b98dc0243c51a33cf17475d44b2471efedb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking noodles-core v0.12.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking noodles-bgzf v0.25.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking noodles-csi v0.28.0
[INFO] [stderr]     Checking noodles-tabix v0.34.0
[INFO] [stderr]     Checking noodles-vcf v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "ea6f8283589f6fbfe1ee8ef45b52b98dc0243c51a33cf17475d44b2471efedb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6f8283589f6fbfe1ee8ef45b52b98dc0243c51a33cf17475d44b2471efedb3", kill_on_drop: false }`
[INFO] [stdout] ea6f8283589f6fbfe1ee8ef45b52b98dc0243c51a33cf17475d44b2471efedb3
[INFO] checking noodles-vcf-0.47.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate noodles-vcf 0.47.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate noodles-vcf 0.47.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noodles-vcf 0.47.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate noodles-vcf 0.47.0
[INFO] tweaked toml for crates.io crate noodles-vcf 0.47.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate noodles-vcf 0.47.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5447f8f60b00823e335f87cd019ab78108a22ceefd9c3d82a7da5763f85d0454
[INFO] running `Command { std: "docker" "start" "-a" "5447f8f60b00823e335f87cd019ab78108a22ceefd9c3d82a7da5763f85d0454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5447f8f60b00823e335f87cd019ab78108a22ceefd9c3d82a7da5763f85d0454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5447f8f60b00823e335f87cd019ab78108a22ceefd9c3d82a7da5763f85d0454", kill_on_drop: false }`
[INFO] [stdout] 5447f8f60b00823e335f87cd019ab78108a22ceefd9c3d82a7da5763f85d0454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1b4869b01d48393a7ec62cb9e232829a238399e6ace80dac7be70c349fcb82
[INFO] running `Command { std: "docker" "start" "-a" "cd1b4869b01d48393a7ec62cb9e232829a238399e6ace80dac7be70c349fcb82", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking noodles-core v0.12.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking noodles-bgzf v0.25.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking noodles-csi v0.28.0
[INFO] [stderr]     Checking noodles-tabix v0.34.0
[INFO] [stderr]     Checking noodles-vcf v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "cd1b4869b01d48393a7ec62cb9e232829a238399e6ace80dac7be70c349fcb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1b4869b01d48393a7ec62cb9e232829a238399e6ace80dac7be70c349fcb82", kill_on_drop: false }`
[INFO] [stdout] cd1b4869b01d48393a7ec62cb9e232829a238399e6ace80dac7be70c349fcb82