[INFO] fetching crate rangoon 0.0.0...
[INFO] checking rangoon-0.0.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate rangoon 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rangoon 0.0.0 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 rangoon 0.0.0
[INFO] finished tweaking crates.io crate rangoon 0.0.0
[INFO] tweaked toml for crates.io crate rangoon 0.0.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d266d906a4bd9552a48c143131d424d75946d9fb1b496f0ae48c737d35fdee87
[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" "d266d906a4bd9552a48c143131d424d75946d9fb1b496f0ae48c737d35fdee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d266d906a4bd9552a48c143131d424d75946d9fb1b496f0ae48c737d35fdee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d266d906a4bd9552a48c143131d424d75946d9fb1b496f0ae48c737d35fdee87", kill_on_drop: false }`
[INFO] [stdout] d266d906a4bd9552a48c143131d424d75946d9fb1b496f0ae48c737d35fdee87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 04f7b9024946ea6e1ba0160ad163f7d1930281c76da01bc1dd5b1adbb11de95b
[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" "04f7b9024946ea6e1ba0160ad163f7d1930281c76da01bc1dd5b1adbb11de95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking html_color v0.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking callback v0.5.2
[INFO] [stderr]     Checking hecs v0.3.2
[INFO] [stderr]     Checking cstring v0.0.5
[INFO] [stderr]     Checking js v0.2.12
[INFO] [stderr]     Checking webcomponent v0.6.1
[INFO] [stderr]     Checking web_random v0.1.4
[INFO] [stderr]     Checking web-dom v0.3.5
[INFO] [stderr]     Checking web_console v0.3.5
[INFO] [stderr]     Checking web_canvas v0.0.6
[INFO] [stderr]     Checking web_timer v0.2.4
[INFO] [stderr]     Checking web_common v0.3.3
[INFO] [stderr]     Checking web v0.1.9
[INFO] [stderr]     Checking rangoon v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "04f7b9024946ea6e1ba0160ad163f7d1930281c76da01bc1dd5b1adbb11de95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f7b9024946ea6e1ba0160ad163f7d1930281c76da01bc1dd5b1adbb11de95b", kill_on_drop: false }`
[INFO] [stdout] 04f7b9024946ea6e1ba0160ad163f7d1930281c76da01bc1dd5b1adbb11de95b