[INFO] cloning repository https://github.com/zakharykaplan/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zakharykaplan/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakharykaplan%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakharykaplan%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25e555e49f91dc53c954b846bd9e995d5230c91b
[INFO] documenting zakharykaplan/minesweeper against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakharykaplan%2Fminesweeper" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zakharykaplan/minesweeper on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zakharykaplan/minesweeper
[INFO] finished tweaking git repo https://github.com/zakharykaplan/minesweeper
[INFO] tweaked toml for git repo https://github.com/zakharykaplan/minesweeper written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zakharykaplan/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4f9ebed09cb84f45098671948d475e43d88ae8ca349dc1fdd25dafa4f16a0c6
[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" "c4f9ebed09cb84f45098671948d475e43d88ae8ca349dc1fdd25dafa4f16a0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f9ebed09cb84f45098671948d475e43d88ae8ca349dc1fdd25dafa4f16a0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f9ebed09cb84f45098671948d475e43d88ae8ca349dc1fdd25dafa4f16a0c6", kill_on_drop: false }`
[INFO] [stdout] c4f9ebed09cb84f45098671948d475e43d88ae8ca349dc1fdd25dafa4f16a0c6
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 1deb238190b5ef095712198ee35ca3886bc52a7b8efc33843dd15cac4f9d3c39
[INFO] running `Command { std: "docker" "start" "-a" "1deb238190b5ef095712198ee35ca3886bc52a7b8efc33843dd15cac4f9d3c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking crossbeam-utils v0.8.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling enum-map-derive v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking enum-map v2.0.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling enumset_derive v0.5.5
[INFO] [stderr]     Checking enumset v1.0.8
[INFO] [stderr]     Checking cursive_core v0.3.1
[INFO] [stderr]     Checking cursive v0.17.0
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.23s
[INFO] running `Command { std: "docker" "inspect" "1deb238190b5ef095712198ee35ca3886bc52a7b8efc33843dd15cac4f9d3c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1deb238190b5ef095712198ee35ca3886bc52a7b8efc33843dd15cac4f9d3c39", kill_on_drop: false }`
[INFO] [stdout] 1deb238190b5ef095712198ee35ca3886bc52a7b8efc33843dd15cac4f9d3c39
[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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 106b0dd3509bd3cd83c126de59b69543f3040510c4ec23394cb1b80f10fb3c8b
[INFO] running `Command { std: "docker" "start" "-a" "106b0dd3509bd3cd83c126de59b69543f3040510c4ec23394cb1b80f10fb3c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling enum-map-derive v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking enum-map v2.0.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling enumset_derive v0.5.5
[INFO] [stderr]     Checking enumset v1.0.8
[INFO] [stderr]     Checking cursive_core v0.3.1
[INFO] [stderr]     Checking cursive v0.17.0
[INFO] [stderr]  Documenting minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "106b0dd3509bd3cd83c126de59b69543f3040510c4ec23394cb1b80f10fb3c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106b0dd3509bd3cd83c126de59b69543f3040510c4ec23394cb1b80f10fb3c8b", kill_on_drop: false }`
[INFO] [stdout] 106b0dd3509bd3cd83c126de59b69543f3040510c4ec23394cb1b80f10fb3c8b