[INFO] fetching crate combine-language 4.0.0...
[INFO] checking combine-language-4.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate combine-language 4.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate combine-language 4.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate combine-language 4.0.0
[INFO] finished tweaking crates.io crate combine-language 4.0.0
[INFO] tweaked toml for crates.io crate combine-language 4.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cdc8a38ddadac421e63265c5ec966ebacf92cd6f417e24de01775fa3f25d252
[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" "7cdc8a38ddadac421e63265c5ec966ebacf92cd6f417e24de01775fa3f25d252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cdc8a38ddadac421e63265c5ec966ebacf92cd6f417e24de01775fa3f25d252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdc8a38ddadac421e63265c5ec966ebacf92cd6f417e24de01775fa3f25d252", kill_on_drop: false }`
[INFO] [stdout] 7cdc8a38ddadac421e63265c5ec966ebacf92cd6f417e24de01775fa3f25d252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 8a01d65c27e458b8b1ed8745f99533088e2d77f03305832a23d3daa16ebb8e7f
[INFO] running `Command { std: "docker" "start" "-a" "8a01d65c27e458b8b1ed8745f99533088e2d77f03305832a23d3daa16ebb8e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking pulldown-cmark v0.0.8
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking skeptic v0.9.0
[INFO] [stderr]    Compiling combine-language v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "8a01d65c27e458b8b1ed8745f99533088e2d77f03305832a23d3daa16ebb8e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a01d65c27e458b8b1ed8745f99533088e2d77f03305832a23d3daa16ebb8e7f", kill_on_drop: false }`
[INFO] [stdout] 8a01d65c27e458b8b1ed8745f99533088e2d77f03305832a23d3daa16ebb8e7f