[INFO] fetching crate reaper-macros 0.1.0...
[INFO] checking reaper-macros-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate reaper-macros 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate reaper-macros 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reaper-macros 0.1.0
[INFO] finished tweaking crates.io crate reaper-macros 0.1.0
[INFO] tweaked toml for crates.io crate reaper-macros 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a22e766dc7eac2c02d9c6af57aa430cfb0b24af0d0d54575ce7e49214308089
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a22e766dc7eac2c02d9c6af57aa430cfb0b24af0d0d54575ce7e49214308089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a22e766dc7eac2c02d9c6af57aa430cfb0b24af0d0d54575ce7e49214308089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a22e766dc7eac2c02d9c6af57aa430cfb0b24af0d0d54575ce7e49214308089", kill_on_drop: false }`
[INFO] [stdout] 3a22e766dc7eac2c02d9c6af57aa430cfb0b24af0d0d54575ce7e49214308089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22cd7783694de2c310cf3e2d5dbfb89543812faa6a1bb49af8af28b8f4917ca2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22cd7783694de2c310cf3e2d5dbfb89543812faa6a1bb49af8af28b8f4917ca2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking c_str_macro v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling core-error v0.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling reaper-low v0.1.0
[INFO] [stderr]     Checking vst v0.2.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking darling_core v0.10.3
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking darling v0.10.3
[INFO] [stderr]     Checking reaper-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking helgoboss-midi v0.1.2
[INFO] [stderr]     Checking reaper-medium v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "22cd7783694de2c310cf3e2d5dbfb89543812faa6a1bb49af8af28b8f4917ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cd7783694de2c310cf3e2d5dbfb89543812faa6a1bb49af8af28b8f4917ca2", kill_on_drop: false }`
[INFO] [stdout] 22cd7783694de2c310cf3e2d5dbfb89543812faa6a1bb49af8af28b8f4917ca2