[INFO] fetching crate afire_compress 0.1.1-alpha...
[INFO] checking afire_compress-0.1.1-alpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate afire_compress 0.1.1-alpha into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate afire_compress 0.1.1-alpha 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 afire_compress 0.1.1-alpha
[INFO] finished tweaking crates.io crate afire_compress 0.1.1-alpha
[INFO] tweaked toml for crates.io crate afire_compress 0.1.1-alpha written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate afire_compress 0.1.1-alpha 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v1.1.2
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.114
[INFO] [stderr]   Downloaded afire v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 67b9ff2df7713e7619a68b6bd74a399a871540b840c0c3494fec5243a90636e2
[INFO] running `Command { std: "docker" "start" "-a" "67b9ff2df7713e7619a68b6bd74a399a871540b840c0c3494fec5243a90636e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b9ff2df7713e7619a68b6bd74a399a871540b840c0c3494fec5243a90636e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b9ff2df7713e7619a68b6bd74a399a871540b840c0c3494fec5243a90636e2", kill_on_drop: false }`
[INFO] [stdout] 67b9ff2df7713e7619a68b6bd74a399a871540b840c0c3494fec5243a90636e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fb8d4fa32b06e650d3e478b491884282ba977fae860d7fc9087b31ff680178f
[INFO] running `Command { std: "docker" "start" "-a" "5fb8d4fa32b06e650d3e478b491884282ba977fae860d7fc9087b31ff680178f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling afire v0.3.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking libflate v1.1.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking afire_compress v0.1.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "5fb8d4fa32b06e650d3e478b491884282ba977fae860d7fc9087b31ff680178f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb8d4fa32b06e650d3e478b491884282ba977fae860d7fc9087b31ff680178f", kill_on_drop: false }`
[INFO] [stdout] 5fb8d4fa32b06e650d3e478b491884282ba977fae860d7fc9087b31ff680178f
[INFO] checking afire_compress-0.1.1-alpha against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate afire_compress 0.1.1-alpha into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate afire_compress 0.1.1-alpha 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 afire_compress 0.1.1-alpha
[INFO] finished tweaking crates.io crate afire_compress 0.1.1-alpha
[INFO] tweaked toml for crates.io crate afire_compress 0.1.1-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate afire_compress 0.1.1-alpha 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 08e6fbb9df4bf2a1a2d89482b61bd6f8a896d7d3c45f2e42ce8647e8d37c1ab7
[INFO] running `Command { std: "docker" "start" "-a" "08e6fbb9df4bf2a1a2d89482b61bd6f8a896d7d3c45f2e42ce8647e8d37c1ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e6fbb9df4bf2a1a2d89482b61bd6f8a896d7d3c45f2e42ce8647e8d37c1ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e6fbb9df4bf2a1a2d89482b61bd6f8a896d7d3c45f2e42ce8647e8d37c1ab7", kill_on_drop: false }`
[INFO] [stdout] 08e6fbb9df4bf2a1a2d89482b61bd6f8a896d7d3c45f2e42ce8647e8d37c1ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 010663bb567073c53a48d1122c97866ac5f3bc85d72b1a704e9b070d25fa68bc
[INFO] running `Command { std: "docker" "start" "-a" "010663bb567073c53a48d1122c97866ac5f3bc85d72b1a704e9b070d25fa68bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling afire v0.3.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking libflate v1.1.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking afire_compress v0.1.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "010663bb567073c53a48d1122c97866ac5f3bc85d72b1a704e9b070d25fa68bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010663bb567073c53a48d1122c97866ac5f3bc85d72b1a704e9b070d25fa68bc", kill_on_drop: false }`
[INFO] [stdout] 010663bb567073c53a48d1122c97866ac5f3bc85d72b1a704e9b070d25fa68bc