[INFO] fetching crate btrfs-no-std 0.2.1...
[INFO] checking btrfs-no-std-0.2.1 against master#1c7b36d4db582cb47513a6c7176baaec1c3346ab for pr-99197
[INFO] extracting crate btrfs-no-std 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate btrfs-no-std 0.2.1 on toolchain 1c7b36d4db582cb47513a6c7176baaec1c3346ab
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs-no-std 0.2.1
[INFO] finished tweaking crates.io crate btrfs-no-std 0.2.1
[INFO] tweaked toml for crates.io crate btrfs-no-std 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e5771ffc1c8af22130ff17fa10a607efbc0d41e08fafcc0964ff7e496b7b83
[INFO] running `Command { std: "docker" "start" "-a" "48e5771ffc1c8af22130ff17fa10a607efbc0d41e08fafcc0964ff7e496b7b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e5771ffc1c8af22130ff17fa10a607efbc0d41e08fafcc0964ff7e496b7b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e5771ffc1c8af22130ff17fa10a607efbc0d41e08fafcc0964ff7e496b7b83", kill_on_drop: false }`
[INFO] [stdout] 48e5771ffc1c8af22130ff17fa10a607efbc0d41e08fafcc0964ff7e496b7b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2aee84fb4e6852a2daf80ab41045910578c5dbc489af21ff590a78f6b8b81f2
[INFO] running `Command { std: "docker" "start" "-a" "a2aee84fb4e6852a2daf80ab41045910578c5dbc489af21ff590a78f6b8b81f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.3.1
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking zerocopy v0.6.1
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking btrfs-no-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "a2aee84fb4e6852a2daf80ab41045910578c5dbc489af21ff590a78f6b8b81f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aee84fb4e6852a2daf80ab41045910578c5dbc489af21ff590a78f6b8b81f2", kill_on_drop: false }`
[INFO] [stdout] a2aee84fb4e6852a2daf80ab41045910578c5dbc489af21ff590a78f6b8b81f2