[INFO] fetching crate futures-signals-structs 0.2.0...
[INFO] checking futures-signals-structs-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate futures-signals-structs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-signals-structs 0.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-signals-structs 0.2.0
[INFO] finished tweaking crates.io crate futures-signals-structs 0.2.0
[INFO] tweaked toml for crates.io crate futures-signals-structs 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68a448e58256e1bf23e6b86c16f4759472b349aed9d220f3035d2e0ee2acbb2d
[INFO] running `Command { std: "docker" "start" "-a" "68a448e58256e1bf23e6b86c16f4759472b349aed9d220f3035d2e0ee2acbb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a448e58256e1bf23e6b86c16f4759472b349aed9d220f3035d2e0ee2acbb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a448e58256e1bf23e6b86c16f4759472b349aed9d220f3035d2e0ee2acbb2d", kill_on_drop: false }`
[INFO] [stdout] 68a448e58256e1bf23e6b86c16f4759472b349aed9d220f3035d2e0ee2acbb2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f86a51d82692e33595f6844856cfe95e3eca1bdb0932693fe32c0a296fdd1c6
[INFO] running `Command { std: "docker" "start" "-a" "8f86a51d82692e33595f6844856cfe95e3eca1bdb0932693fe32c0a296fdd1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling futures-signals-structs-derive v0.2.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-signals v0.3.22
[INFO] [stderr]     Checking futures-signals-structs-traits v0.2.0
[INFO] [stderr]     Checking futures-signals-structs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.47s
[INFO] running `Command { std: "docker" "inspect" "8f86a51d82692e33595f6844856cfe95e3eca1bdb0932693fe32c0a296fdd1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f86a51d82692e33595f6844856cfe95e3eca1bdb0932693fe32c0a296fdd1c6", kill_on_drop: false }`
[INFO] [stdout] 8f86a51d82692e33595f6844856cfe95e3eca1bdb0932693fe32c0a296fdd1c6