[INFO] fetching crate pna 0.4.0...
[INFO] checking pna-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pna 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pna 0.4.0 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 pna 0.4.0
[INFO] finished tweaking crates.io crate pna 0.4.0
[INFO] tweaked toml for crates.io crate pna 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate pna 0.4.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded liblzma v0.2.1
[INFO] [stderr]   Downloaded portable-network-archive v0.4.0
[INFO] [stderr]   Downloaded zstd-safe v7.0.0
[INFO] [stderr]   Downloaded zstd v0.13.0
[INFO] [stderr]   Downloaded camellia v0.1.0
[INFO] [stderr]   Downloaded liblzma-sys v0.2.3
[INFO] [stderr]   Downloaded libpna v0.4.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffca37a229f42569b230ba0dacfb92a62233a2c949112dd4c78dd52381a49b8b
[INFO] running `Command { std: "docker" "start" "-a" "ffca37a229f42569b230ba0dacfb92a62233a2c949112dd4c78dd52381a49b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffca37a229f42569b230ba0dacfb92a62233a2c949112dd4c78dd52381a49b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffca37a229f42569b230ba0dacfb92a62233a2c949112dd4c78dd52381a49b8b", kill_on_drop: false }`
[INFO] [stdout] ffca37a229f42569b230ba0dacfb92a62233a2c949112dd4c78dd52381a49b8b
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27edcb13b825bdc291d8d6e9379bc8d564d610f526c797d2e8d8a91629027c5d
[INFO] running `Command { std: "docker" "start" "-a" "27edcb13b825bdc291d8d6e9379bc8d564d610f526c797d2e8d8a91629027c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking camellia v0.1.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking argon2 v0.5.2
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling liblzma-sys v0.2.3
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking liblzma v0.2.1
[INFO] [stderr]     Checking zstd v0.13.0
[INFO] [stderr]     Checking libpna v0.4.0
[INFO] [stderr]     Checking pna v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "27edcb13b825bdc291d8d6e9379bc8d564d610f526c797d2e8d8a91629027c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27edcb13b825bdc291d8d6e9379bc8d564d610f526c797d2e8d8a91629027c5d", kill_on_drop: false }`
[INFO] [stdout] 27edcb13b825bdc291d8d6e9379bc8d564d610f526c797d2e8d8a91629027c5d