[INFO] fetching crate miniserde-derive-enum 0.1.1...
[INFO] checking miniserde-derive-enum-0.1.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate miniserde-derive-enum 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate miniserde-derive-enum 0.1.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate miniserde-derive-enum 0.1.1
[INFO] finished tweaking crates.io crate miniserde-derive-enum 0.1.1
[INFO] tweaked toml for crates.io crate miniserde-derive-enum 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mini-internal v0.1.13
[INFO] [stderr]   Downloaded miniserde v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f2cc140869c61f1e9d64c143f0bb416eace379e78cafb4111fede7c716998f2
[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" "0f2cc140869c61f1e9d64c143f0bb416eace379e78cafb4111fede7c716998f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f2cc140869c61f1e9d64c143f0bb416eace379e78cafb4111fede7c716998f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2cc140869c61f1e9d64c143f0bb416eace379e78cafb4111fede7c716998f2", kill_on_drop: false }`
[INFO] [stdout] 0f2cc140869c61f1e9d64c143f0bb416eace379e78cafb4111fede7c716998f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3debaa9e36a13a0c4d4ecc45bc39436eb9f62ec8de7340ce5ea00afb1cf1c5f
[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" "a3debaa9e36a13a0c4d4ecc45bc39436eb9f62ec8de7340ce5ea00afb1cf1c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking miniserde-derive-enum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mini-internal v0.1.13
[INFO] [stderr]     Checking miniserde v0.1.13
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.93s
[INFO] running `Command { std: "docker" "inspect" "a3debaa9e36a13a0c4d4ecc45bc39436eb9f62ec8de7340ce5ea00afb1cf1c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3debaa9e36a13a0c4d4ecc45bc39436eb9f62ec8de7340ce5ea00afb1cf1c5f", kill_on_drop: false }`
[INFO] [stdout] a3debaa9e36a13a0c4d4ecc45bc39436eb9f62ec8de7340ce5ea00afb1cf1c5f