[INFO] fetching crate fb_futures_01_ext 0.1.0...
[INFO] checking fb_futures_01_ext-0.1.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate fb_futures_01_ext 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fb_futures_01_ext 0.1.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fb_futures_01_ext 0.1.0
[INFO] finished tweaking crates.io crate fb_futures_01_ext 0.1.0
[INFO] tweaked toml for crates.io crate fb_futures_01_ext 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.7.2)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.5)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fb_cloned v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966f6e9eb066ae4a8e6dd51e122fdd7d3a71090b83631e340040442f4d88997d
[INFO] running `Command { std: "docker" "start" "-a" "966f6e9eb066ae4a8e6dd51e122fdd7d3a71090b83631e340040442f4d88997d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966f6e9eb066ae4a8e6dd51e122fdd7d3a71090b83631e340040442f4d88997d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966f6e9eb066ae4a8e6dd51e122fdd7d3a71090b83631e340040442f4d88997d", kill_on_drop: false }`
[INFO] [stdout] 966f6e9eb066ae4a8e6dd51e122fdd7d3a71090b83631e340040442f4d88997d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5c537aacb9046741b2d4413ced8080c168a9f987c14f5561d032c655f39ee9
[INFO] running `Command { std: "docker" "start" "-a" "8a5c537aacb9046741b2d4413ced8080c168a9f987c14f5561d032c655f39ee9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking fb_cloned v0.1.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking fb_futures_01_ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "8a5c537aacb9046741b2d4413ced8080c168a9f987c14f5561d032c655f39ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5c537aacb9046741b2d4413ced8080c168a9f987c14f5561d032c655f39ee9", kill_on_drop: false }`
[INFO] [stdout] 8a5c537aacb9046741b2d4413ced8080c168a9f987c14f5561d032c655f39ee9