[INFO] fetching crate error_spanned 0.1.0...
[INFO] checking error_spanned-0.1.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate error_spanned 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate error_spanned 0.1.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error_spanned 0.1.0
[INFO] finished tweaking crates.io crate error_spanned 0.1.0
[INFO] tweaked toml for crates.io crate error_spanned 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51b79459287f8c1150e28269bfac6f36ca00a465cff68e6f2a8a2da887f6fab8
[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" "51b79459287f8c1150e28269bfac6f36ca00a465cff68e6f2a8a2da887f6fab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b79459287f8c1150e28269bfac6f36ca00a465cff68e6f2a8a2da887f6fab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b79459287f8c1150e28269bfac6f36ca00a465cff68e6f2a8a2da887f6fab8", kill_on_drop: false }`
[INFO] [stdout] 51b79459287f8c1150e28269bfac6f36ca00a465cff68e6f2a8a2da887f6fab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] 0a26f96a2a0557773b2b5937e492b1ddbf4b6bcf311c53e2e8db64a7c2a6e743
[INFO] running `Command { std: "docker" "start" "-a" "0a26f96a2a0557773b2b5937e492b1ddbf4b6bcf311c53e2e8db64a7c2a6e743", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.75
[INFO] [stderr]    Compiling error_spanned_derive v0.1.0
[INFO] [stderr]     Checking error_spanned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `Command { std: "docker" "inspect" "0a26f96a2a0557773b2b5937e492b1ddbf4b6bcf311c53e2e8db64a7c2a6e743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a26f96a2a0557773b2b5937e492b1ddbf4b6bcf311c53e2e8db64a7c2a6e743", kill_on_drop: false }`
[INFO] [stdout] 0a26f96a2a0557773b2b5937e492b1ddbf4b6bcf311c53e2e8db64a7c2a6e743