[INFO] cloning repository https://github.com/mdsimmo/DailyCodingProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsimmo/DailyCodingProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsimmo%2FDailyCodingProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsimmo%2FDailyCodingProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75f5bae450995de8f22b7076d680db97b9ab7050
[INFO] documenting mdsimmo/DailyCodingProblem against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsimmo%2FDailyCodingProblem" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsimmo/DailyCodingProblem on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdsimmo/DailyCodingProblem
[INFO] finished tweaking git repo https://github.com/mdsimmo/DailyCodingProblem
[INFO] tweaked toml for git repo https://github.com/mdsimmo/DailyCodingProblem written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsimmo/DailyCodingProblem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b95032d65388a19bdb65f0421811ea64a936c27ea381bb8580543cf5b44c47e
[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" "0b95032d65388a19bdb65f0421811ea64a936c27ea381bb8580543cf5b44c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b95032d65388a19bdb65f0421811ea64a936c27ea381bb8580543cf5b44c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b95032d65388a19bdb65f0421811ea64a936c27ea381bb8580543cf5b44c47e", kill_on_drop: false }`
[INFO] [stdout] 0b95032d65388a19bdb65f0421811ea64a936c27ea381bb8580543cf5b44c47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "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] 679f82b3cdcb4762cbaef1c9c9b813486a9b1ae7c64a21f4656a691da41b3122
[INFO] running `Command { std: "docker" "start" "-a" "679f82b3cdcb4762cbaef1c9c9b813486a9b1ae7c64a21f4656a691da41b3122", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]  Documenting prob_0102 v0.1.0 (/opt/rustwide/workdir/prob_0102)
[INFO] [stderr]  Documenting prob_0008 v0.1.0 (/opt/rustwide/workdir/prob_0008)
[INFO] [stderr]  Documenting prob_0070 v0.1.0 (/opt/rustwide/workdir/prob_0070)
[INFO] [stderr]  Documenting prob_0021 v0.1.0 (/opt/rustwide/workdir/prob_0021)
[INFO] [stderr]  Documenting prob_0009 v0.1.0 (/opt/rustwide/workdir/prob_0009)
[INFO] [stderr]  Documenting prob_0017 v0.1.0 (/opt/rustwide/workdir/prob_0017)
[INFO] [stderr]  Documenting prob_0013 v0.1.0 (/opt/rustwide/workdir/prob_0013)
[INFO] [stderr]  Documenting prob_0176s v0.1.0 (/opt/rustwide/workdir/prob_0176)
[INFO] [stderr]  Documenting prob_0177 v0.1.0 (/opt/rustwide/workdir/prob_0177)
[INFO] [stderr]  Documenting prob_0004 v0.1.0 (/opt/rustwide/workdir/prob_0004)
[INFO] [stderr]  Documenting prob_0103 v0.1.0 (/opt/rustwide/workdir/prob_0103)
[INFO] [stderr]  Documenting prob_0092 v0.1.0 (/opt/rustwide/workdir/prob_0092)
[INFO] [stderr]  Documenting prob_0007 v0.1.0 (/opt/rustwide/workdir/prob_0007)
[INFO] [stderr]  Documenting prob_0069 v0.1.0 (/opt/rustwide/workdir/prob_0069)
[INFO] [stderr] error: could not document `prob_0017`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0017 prob_0017/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=72fb2ba412abd2c8 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `prob_0092`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0092 prob_0092/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=950931ebc6f1f235 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `prob_0009`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0009 prob_0009/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=86c288178215521b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `prob_0013`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0013 prob_0013/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bdbf45cd23e89e5f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `prob_0008`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name prob_0008 prob_0008/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c1edc524fa6f9bec -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "679f82b3cdcb4762cbaef1c9c9b813486a9b1ae7c64a21f4656a691da41b3122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679f82b3cdcb4762cbaef1c9c9b813486a9b1ae7c64a21f4656a691da41b3122", kill_on_drop: false }`
[INFO] [stdout] 679f82b3cdcb4762cbaef1c9c9b813486a9b1ae7c64a21f4656a691da41b3122