[INFO] fetching crate whirl 0.0.0-reserve...
[INFO] checking whirl-0.0.0-reserve against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate whirl 0.0.0-reserve into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate whirl 0.0.0-reserve on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate whirl 0.0.0-reserve
[INFO] finished tweaking crates.io crate whirl 0.0.0-reserve
[INFO] tweaked toml for crates.io crate whirl 0.0.0-reserve written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76f8bd03873e91ffbe7a5c0348e903afa0ed07b3941b5967788ce570c33286df
[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" "76f8bd03873e91ffbe7a5c0348e903afa0ed07b3941b5967788ce570c33286df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f8bd03873e91ffbe7a5c0348e903afa0ed07b3941b5967788ce570c33286df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f8bd03873e91ffbe7a5c0348e903afa0ed07b3941b5967788ce570c33286df", kill_on_drop: false }`
[INFO] [stdout] 76f8bd03873e91ffbe7a5c0348e903afa0ed07b3941b5967788ce570c33286df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68758a051712b06aee854a35b7f7ddac65953e00ca3da582aefde47cae002526
[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" "68758a051712b06aee854a35b7f7ddac65953e00ca3da582aefde47cae002526", kill_on_drop: false }`
[INFO] [stderr]     Checking whirl v0.0.0-reserve (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "68758a051712b06aee854a35b7f7ddac65953e00ca3da582aefde47cae002526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68758a051712b06aee854a35b7f7ddac65953e00ca3da582aefde47cae002526", kill_on_drop: false }`
[INFO] [stdout] 68758a051712b06aee854a35b7f7ddac65953e00ca3da582aefde47cae002526