[INFO] fetching crate async-backtrace-attributes 0.2.5...
[INFO] checking async-backtrace-attributes-0.2.5 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate async-backtrace-attributes 0.2.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async-backtrace-attributes 0.2.5 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-backtrace-attributes 0.2.5
[INFO] finished tweaking crates.io crate async-backtrace-attributes 0.2.5
[INFO] tweaked toml for crates.io crate async-backtrace-attributes 0.2.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8d796b1958c2d73cdef0bc3b2944cdd5295f36fcb2639422d2ae190c763ab12
[INFO] running `Command { std: "docker" "start" "-a" "f8d796b1958c2d73cdef0bc3b2944cdd5295f36fcb2639422d2ae190c763ab12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8d796b1958c2d73cdef0bc3b2944cdd5295f36fcb2639422d2ae190c763ab12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d796b1958c2d73cdef0bc3b2944cdd5295f36fcb2639422d2ae190c763ab12", kill_on_drop: false }`
[INFO] [stdout] f8d796b1958c2d73cdef0bc3b2944cdd5295f36fcb2639422d2ae190c763ab12
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53cb321395b5ff1c6968bed4564c268e610b46b5814017975097cb4594075613
[INFO] running `Command { std: "docker" "start" "-a" "53cb321395b5ff1c6968bed4564c268e610b46b5814017975097cb4594075613", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking unicode-ident v1.0.9
[INFO] [stderr]     Checking syn v2.0.18
[INFO] [stderr]     Checking async-backtrace-attributes v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "53cb321395b5ff1c6968bed4564c268e610b46b5814017975097cb4594075613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cb321395b5ff1c6968bed4564c268e610b46b5814017975097cb4594075613", kill_on_drop: false }`
[INFO] [stdout] 53cb321395b5ff1c6968bed4564c268e610b46b5814017975097cb4594075613
