[INFO] fetching crate metadata-store 0.2.4...
[INFO] checking metadata-store-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate metadata-store 0.2.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate metadata-store 0.2.4 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 metadata-store 0.2.4
[INFO] finished tweaking crates.io crate metadata-store 0.2.4
[INFO] tweaked toml for crates.io crate metadata-store 0.2.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate metadata-store 0.2.4 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 zstd v0.12.4
[INFO] [stderr]   Downloaded ebr v0.2.8
[INFO] [stderr]   Downloaded pagetable v0.4.3
[INFO] [stderr]   Downloaded shared-local-state v0.1.1
[INFO] [stderr]   Downloaded zstd-safe v6.0.6
[INFO] [stderr]   Downloaded fault-injection v1.0.9
[INFO] [stderr]   Downloaded stack-map v1.0.2
[INFO] [stderr]   Downloaded concurrent-map v5.0.25
[INFO] [stderr]   Downloaded inline-array v0.1.11
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb9ce64f7d863182d2d7d3208eb6456056f88507c78c0ef0c22ab5b7134a2f5
[INFO] running `Command { std: "docker" "start" "-a" "3fb9ce64f7d863182d2d7d3208eb6456056f88507c78c0ef0c22ab5b7134a2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb9ce64f7d863182d2d7d3208eb6456056f88507c78c0ef0c22ab5b7134a2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb9ce64f7d863182d2d7d3208eb6456056f88507c78c0ef0c22ab5b7134a2f5", kill_on_drop: false }`
[INFO] [stdout] 3fb9ce64f7d863182d2d7d3208eb6456056f88507c78c0ef0c22ab5b7134a2f5
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ecb7c38c3350be87269bb7c78af7f74246dbd10c136a769fe1adb661eae069
[INFO] running `Command { std: "docker" "start" "-a" "c2ecb7c38c3350be87269bb7c78af7f74246dbd10c136a769fe1adb661eae069", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking shared-local-state v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking stack-map v1.0.2
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking ebr v0.2.8
[INFO] [stderr]     Checking fault-injection v1.0.9
[INFO] [stderr]     Checking pagetable v0.4.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]     Checking concurrent-map v5.0.25
[INFO] [stderr]     Checking inline-array v0.1.11
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking metadata-store v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "c2ecb7c38c3350be87269bb7c78af7f74246dbd10c136a769fe1adb661eae069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ecb7c38c3350be87269bb7c78af7f74246dbd10c136a769fe1adb661eae069", kill_on_drop: false }`
[INFO] [stdout] c2ecb7c38c3350be87269bb7c78af7f74246dbd10c136a769fe1adb661eae069
[INFO] checking metadata-store-0.2.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate metadata-store 0.2.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate metadata-store 0.2.4 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 metadata-store 0.2.4
[INFO] finished tweaking crates.io crate metadata-store 0.2.4
[INFO] tweaked toml for crates.io crate metadata-store 0.2.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate metadata-store 0.2.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 82f9be258437c809885e466199861becbcba0ee665a5ca8830762132f7e166b4
[INFO] running `Command { std: "docker" "start" "-a" "82f9be258437c809885e466199861becbcba0ee665a5ca8830762132f7e166b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f9be258437c809885e466199861becbcba0ee665a5ca8830762132f7e166b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f9be258437c809885e466199861becbcba0ee665a5ca8830762132f7e166b4", kill_on_drop: false }`
[INFO] [stdout] 82f9be258437c809885e466199861becbcba0ee665a5ca8830762132f7e166b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2162c81e2f4f76e1c93d185b8cd79373fc83c8a4493509c5f21f09fd1d53a49
[INFO] running `Command { std: "docker" "start" "-a" "b2162c81e2f4f76e1c93d185b8cd79373fc83c8a4493509c5f21f09fd1d53a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]     Checking shared-local-state v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking stack-map v1.0.2
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking fault-injection v1.0.9
[INFO] [stderr]     Checking ebr v0.2.8
[INFO] [stderr]     Checking pagetable v0.4.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]     Checking concurrent-map v5.0.25
[INFO] [stderr]     Checking inline-array v0.1.11
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking metadata-store v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "b2162c81e2f4f76e1c93d185b8cd79373fc83c8a4493509c5f21f09fd1d53a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2162c81e2f4f76e1c93d185b8cd79373fc83c8a4493509c5f21f09fd1d53a49", kill_on_drop: false }`
[INFO] [stdout] b2162c81e2f4f76e1c93d185b8cd79373fc83c8a4493509c5f21f09fd1d53a49