[INFO] cloning repository https://github.com/sidmani/t5e
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sidmani/t5e" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidmani%2Ft5e", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidmani%2Ft5e'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36daf76ae513914abcf7d0e087d0cedc9c960b2c
[INFO] documenting sidmani/t5e against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidmani%2Ft5e" "/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/sidmani/t5e on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sidmani/t5e
[INFO] finished tweaking git repo https://github.com/sidmani/t5e
[INFO] tweaked toml for git repo https://github.com/sidmani/t5e written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sidmani/t5e already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bstr v0.2.10
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 2e6b99e7cdb110f4ef34833eada506fc5f5b66af0391768440f35eb6c5701afd
[INFO] running `Command { std: "docker" "start" "-a" "2e6b99e7cdb110f4ef34833eada506fc5f5b66af0391768440f35eb6c5701afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e6b99e7cdb110f4ef34833eada506fc5f5b66af0391768440f35eb6c5701afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6b99e7cdb110f4ef34833eada506fc5f5b66af0391768440f35eb6c5701afd", kill_on_drop: false }`
[INFO] [stdout] 2e6b99e7cdb110f4ef34833eada506fc5f5b66af0391768440f35eb6c5701afd
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] a94e0338dc0d3a216fb9ac7b55741821f8bc3e70251cfa4ce8db2ae7da0a46eb
[INFO] running `Command { std: "docker" "start" "-a" "a94e0338dc0d3a216fb9ac7b55741821f8bc3e70251cfa4ce8db2ae7da0a46eb", kill_on_drop: false }`
[INFO] [stderr]     Checking t5e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting t5e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `constant_prod` is assigned to, but never used
[INFO] [stdout]  --> src/simplify/product.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut constant_prod = 1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_constant_prod` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/simplify/product.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Power(len, h) => {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/simplify/product.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Sum(len, h) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/simplify/product.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Product(len, h) => {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_sum`
[INFO] [stdout]   --> src/term.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn make_sum(expr: &Expr, idx: usize) -> Term {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "a94e0338dc0d3a216fb9ac7b55741821f8bc3e70251cfa4ce8db2ae7da0a46eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94e0338dc0d3a216fb9ac7b55741821f8bc3e70251cfa4ce8db2ae7da0a46eb", kill_on_drop: false }`
[INFO] [stdout] a94e0338dc0d3a216fb9ac7b55741821f8bc3e70251cfa4ce8db2ae7da0a46eb