[INFO] fetching crate inheritance-proc-macro 0.0.1-alpha.2...
[INFO] checking inheritance-proc-macro-0.0.1-alpha.2 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate inheritance-proc-macro 0.0.1-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate inheritance-proc-macro 0.0.1-alpha.2 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inheritance-proc-macro 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate inheritance-proc-macro 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate inheritance-proc-macro 0.0.1-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b32142e2d3dc94095ada5002ac4d0504f6cedaadb599b81819af98e487ff4da
[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" "5b32142e2d3dc94095ada5002ac4d0504f6cedaadb599b81819af98e487ff4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b32142e2d3dc94095ada5002ac4d0504f6cedaadb599b81819af98e487ff4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b32142e2d3dc94095ada5002ac4d0504f6cedaadb599b81819af98e487ff4da", kill_on_drop: false }`
[INFO] [stdout] 5b32142e2d3dc94095ada5002ac4d0504f6cedaadb599b81819af98e487ff4da
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 805850a688484acd7cdd5ac6fdedfd2ec5d0eb125364d7c2a3ea9ca8f00b59a4
[INFO] running `Command { std: "docker" "start" "-a" "805850a688484acd7cdd5ac6fdedfd2ec5d0eb125364d7c2a3ea9ca8f00b59a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking proc-macro2 v1.0.20
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling fstrings-proc-macro v0.1.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking fstrings v0.1.4
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking inheritance-proc-macro v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.61s
[INFO] running `Command { std: "docker" "inspect" "805850a688484acd7cdd5ac6fdedfd2ec5d0eb125364d7c2a3ea9ca8f00b59a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805850a688484acd7cdd5ac6fdedfd2ec5d0eb125364d7c2a3ea9ca8f00b59a4", kill_on_drop: false }`
[INFO] [stdout] 805850a688484acd7cdd5ac6fdedfd2ec5d0eb125364d7c2a3ea9ca8f00b59a4