[INFO] fetching crate bgzf 0.2.0...
[INFO] checking bgzf-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bgzf 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bgzf 0.2.0 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bgzf 0.2.0
[INFO] finished tweaking crates.io crate bgzf 0.2.0
[INFO] tweaked toml for crates.io crate bgzf 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages
[INFO] [stderr]       Adding libdeflate-sys v0.7.5 (latest: v1.20.0)
[INFO] [stderr]       Adding libdeflater v0.7.5 (latest: v1.20.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded libdeflater v0.7.5
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded libdeflate-sys v0.7.5
[INFO] [stderr]   Downloaded proptest v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 300e273fe1e81c68abaceb7f6b7fdee6b2631fec7c55ea7f7c2174f7013876b2
[INFO] running `Command { std: "docker" "start" "-a" "300e273fe1e81c68abaceb7f6b7fdee6b2631fec7c55ea7f7c2174f7013876b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300e273fe1e81c68abaceb7f6b7fdee6b2631fec7c55ea7f7c2174f7013876b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300e273fe1e81c68abaceb7f6b7fdee6b2631fec7c55ea7f7c2174f7013876b2", kill_on_drop: false }`
[INFO] [stdout] 300e273fe1e81c68abaceb7f6b7fdee6b2631fec7c55ea7f7c2174f7013876b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f6b8b8ea241d050e27e434b2bdf308a9b8aed8f16737b924f1777a979967bb2f
[INFO] running `Command { std: "docker" "start" "-a" "f6b8b8ea241d050e27e434b2bdf308a9b8aed8f16737b924f1777a979967bb2f", kill_on_drop: false }`
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libdeflate-sys v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking libdeflater v0.7.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking bgzf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "f6b8b8ea241d050e27e434b2bdf308a9b8aed8f16737b924f1777a979967bb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b8b8ea241d050e27e434b2bdf308a9b8aed8f16737b924f1777a979967bb2f", kill_on_drop: false }`
[INFO] [stdout] f6b8b8ea241d050e27e434b2bdf308a9b8aed8f16737b924f1777a979967bb2f
[INFO] checking bgzf-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bgzf 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bgzf 0.2.0 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bgzf 0.2.0
[INFO] finished tweaking crates.io crate bgzf 0.2.0
[INFO] tweaked toml for crates.io crate bgzf 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages
[INFO] [stderr]       Adding libdeflate-sys v0.7.5 (latest: v1.20.0)
[INFO] [stderr]       Adding libdeflater v0.7.5 (latest: v1.20.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9af1e110922e6ade25e70d578f90b85e10385704e1ef9d5c110cdbeb4be50286
[INFO] running `Command { std: "docker" "start" "-a" "9af1e110922e6ade25e70d578f90b85e10385704e1ef9d5c110cdbeb4be50286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af1e110922e6ade25e70d578f90b85e10385704e1ef9d5c110cdbeb4be50286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af1e110922e6ade25e70d578f90b85e10385704e1ef9d5c110cdbeb4be50286", kill_on_drop: false }`
[INFO] [stdout] 9af1e110922e6ade25e70d578f90b85e10385704e1ef9d5c110cdbeb4be50286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ec1fc9cd4313fd789519832d7034e4d1f3c3f623d58f602eb052838289b5c076
[INFO] running `Command { std: "docker" "start" "-a" "ec1fc9cd4313fd789519832d7034e4d1f3c3f623d58f602eb052838289b5c076", kill_on_drop: false }`
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libdeflate-sys v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking libdeflater v0.7.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking bgzf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "ec1fc9cd4313fd789519832d7034e4d1f3c3f623d58f602eb052838289b5c076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1fc9cd4313fd789519832d7034e4d1f3c3f623d58f602eb052838289b5c076", kill_on_drop: false }`
[INFO] [stdout] ec1fc9cd4313fd789519832d7034e4d1f3c3f623d58f602eb052838289b5c076