[INFO] fetching crate silkenweb-signals-ext 0.8.0...
[INFO] checking silkenweb-signals-ext-0.8.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate silkenweb-signals-ext 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate silkenweb-signals-ext 0.8.0 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 silkenweb-signals-ext 0.8.0
[INFO] finished tweaking crates.io crate silkenweb-signals-ext 0.8.0
[INFO] tweaked toml for crates.io crate silkenweb-signals-ext 0.8.0 written to /workspace/builds/worker-4-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 25 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gensym v0.1.1
[INFO] [stderr]   Downloaded futures-signals v0.3.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f659370167c18571bf62c08d8982f6a3b11db78dde7349b6e2a450cbdf4ead23
[INFO] running `Command { std: "docker" "start" "-a" "f659370167c18571bf62c08d8982f6a3b11db78dde7349b6e2a450cbdf4ead23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f659370167c18571bf62c08d8982f6a3b11db78dde7349b6e2a450cbdf4ead23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f659370167c18571bf62c08d8982f6a3b11db78dde7349b6e2a450cbdf4ead23", kill_on_drop: false }`
[INFO] [stdout] f659370167c18571bf62c08d8982f6a3b11db78dde7349b6e2a450cbdf4ead23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f16a424c05e767b497831447511c1ee518b6a5f84d65f460c5836ae78aa63996
[INFO] running `Command { std: "docker" "start" "-a" "f16a424c05e767b497831447511c1ee518b6a5f84d65f460c5836ae78aa63996", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-signals v0.3.34
[INFO] [stderr]     Checking silkenweb-signals-ext v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "f16a424c05e767b497831447511c1ee518b6a5f84d65f460c5836ae78aa63996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16a424c05e767b497831447511c1ee518b6a5f84d65f460c5836ae78aa63996", kill_on_drop: false }`
[INFO] [stdout] f16a424c05e767b497831447511c1ee518b6a5f84d65f460c5836ae78aa63996