[INFO] fetching crate sized_bitset 0.3.1...
[INFO] checking sized_bitset-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate sized_bitset 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sized_bitset 0.3.1 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 sized_bitset 0.3.1
[INFO] finished tweaking crates.io crate sized_bitset 0.3.1
[INFO] tweaked toml for crates.io crate sized_bitset 0.3.1 written to /workspace/builds/worker-4-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 67 packages
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[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 proptest-derive v0.3.0
[INFO] [stderr]   Downloaded sized_bitset_macros v0.3.0
[INFO] [stderr]   Downloaded deriving-via-impl v0.1.0
[INFO] [stderr]   Downloaded deriving_via v1.6.1
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f676530bcf612f8f975c6843533fcf5911341e865a6d525f5e489dc601efb9a
[INFO] running `Command { std: "docker" "start" "-a" "2f676530bcf612f8f975c6843533fcf5911341e865a6d525f5e489dc601efb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f676530bcf612f8f975c6843533fcf5911341e865a6d525f5e489dc601efb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f676530bcf612f8f975c6843533fcf5911341e865a6d525f5e489dc601efb9a", kill_on_drop: false }`
[INFO] [stdout] 2f676530bcf612f8f975c6843533fcf5911341e865a6d525f5e489dc601efb9a
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0a8004359a616e9723b1364c2af1dbc98ca27a5194de1131f57f5c6bc6ec5d
[INFO] running `Command { std: "docker" "start" "-a" "ce0a8004359a616e9723b1364c2af1dbc98ca27a5194de1131f57f5c6bc6ec5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling typed-builder-macro v0.18.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling deriving-via-impl v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling sized_bitset_macros v0.3.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling typed-builder v0.18.1
[INFO] [stderr]    Compiling deriving_via v1.6.1
[INFO] [stderr]     Checking sized_bitset v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "ce0a8004359a616e9723b1364c2af1dbc98ca27a5194de1131f57f5c6bc6ec5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0a8004359a616e9723b1364c2af1dbc98ca27a5194de1131f57f5c6bc6ec5d", kill_on_drop: false }`
[INFO] [stdout] ce0a8004359a616e9723b1364c2af1dbc98ca27a5194de1131f57f5c6bc6ec5d
[INFO] checking sized_bitset-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate sized_bitset 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate sized_bitset 0.3.1 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 sized_bitset 0.3.1
[INFO] finished tweaking crates.io crate sized_bitset 0.3.1
[INFO] tweaked toml for crates.io crate sized_bitset 0.3.1 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 67 packages
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 23f77139db84d7e796d88522e0998fecd64a6205b6f7c3ea9878366a40c42f90
[INFO] running `Command { std: "docker" "start" "-a" "23f77139db84d7e796d88522e0998fecd64a6205b6f7c3ea9878366a40c42f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f77139db84d7e796d88522e0998fecd64a6205b6f7c3ea9878366a40c42f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f77139db84d7e796d88522e0998fecd64a6205b6f7c3ea9878366a40c42f90", kill_on_drop: false }`
[INFO] [stdout] 23f77139db84d7e796d88522e0998fecd64a6205b6f7c3ea9878366a40c42f90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee4afbe4f639ac4aa43cab5cecbc3a08fe9cf54a3fe1f7dd40edf6f095ee3833
[INFO] running `Command { std: "docker" "start" "-a" "ee4afbe4f639ac4aa43cab5cecbc3a08fe9cf54a3fe1f7dd40edf6f095ee3833", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling typed-builder-macro v0.18.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling deriving-via-impl v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling sized_bitset_macros v0.3.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling typed-builder v0.18.1
[INFO] [stderr]    Compiling deriving_via v1.6.1
[INFO] [stderr]     Checking sized_bitset v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "ee4afbe4f639ac4aa43cab5cecbc3a08fe9cf54a3fe1f7dd40edf6f095ee3833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4afbe4f639ac4aa43cab5cecbc3a08fe9cf54a3fe1f7dd40edf6f095ee3833", kill_on_drop: false }`
[INFO] [stdout] ee4afbe4f639ac4aa43cab5cecbc3a08fe9cf54a3fe1f7dd40edf6f095ee3833