[INFO] cloning repository https://github.com/olidennis/round-eliminator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olidennis/round-eliminator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folidennis%2Fround-eliminator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folidennis%2Fround-eliminator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd4912eb73924e01c922398e8c76fd7fb989c1a6
[INFO] documenting olidennis/round-eliminator against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folidennis%2Fround-eliminator" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olidennis/round-eliminator on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olidennis/round-eliminator
[INFO] finished tweaking git repo https://github.com/olidennis/round-eliminator
[INFO] tweaked toml for git repo https://github.com/olidennis/round-eliminator written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/olidennis/round-eliminator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded ipc-channel v0.14.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba5da4d402d19603ef6d68170c4bb44efdf47cfe997baa39843cc9f3c1365f20
[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" "ba5da4d402d19603ef6d68170c4bb44efdf47cfe997baa39843cc9f3c1365f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba5da4d402d19603ef6d68170c4bb44efdf47cfe997baa39843cc9f3c1365f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5da4d402d19603ef6d68170c4bb44efdf47cfe997baa39843cc9f3c1365f20", kill_on_drop: false }`
[INFO] [stdout] ba5da4d402d19603ef6d68170c4bb44efdf47cfe997baa39843cc9f3c1365f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac022575544f823924cf751817091f93ed6b62699219bd3ec1bbf0f4940494f7
[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" "ac022575544f823924cf751817091f93ed6b62699219bd3ec1bbf0f4940494f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
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[INFO] [stderr]     Checking simulation v0.3.0 (/opt/rustwide/workdir/simulation)
[INFO] [stderr]     Checking warp v0.1.20
[INFO] [stderr]  Documenting simulation v0.3.0 (/opt/rustwide/workdir/simulation)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> simulation/src/problem.rs:656:17
[INFO] [stdout]     |
[INFO] [stdout] 656 |             let mut newright = left.intoo().new_constraint_exist(&hm_oldset_label);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> simulation/src/problem.rs:656:17
[INFO] [stdout]     |
[INFO] [stdout] 656 |             let mut newright = left.intoo().new_constraint_exist(&hm_oldset_label);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "ac022575544f823924cf751817091f93ed6b62699219bd3ec1bbf0f4940494f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac022575544f823924cf751817091f93ed6b62699219bd3ec1bbf0f4940494f7", kill_on_drop: false }`
[INFO] [stdout] ac022575544f823924cf751817091f93ed6b62699219bd3ec1bbf0f4940494f7
