[INFO] updating cached repository https://github.com/basicss1/hw2_redo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74760731fb74c6a135c4a3ef7f78cc2858fee05f
[INFO] documenting basicss1/hw2_redo against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasicss1%2Fhw2_redo" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/basicss1/hw2_redo on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/basicss1/hw2_redo
[INFO] finished tweaking git repo https://github.com/basicss1/hw2_redo
[INFO] tweaked toml for git repo https://github.com/basicss1/hw2_redo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/basicss1/hw2_redo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7df246913af282dec7e6fb2ec855bb9778f39c3ce7ffab8bec1261ce20b264
[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" "cc7df246913af282dec7e6fb2ec855bb9778f39c3ce7ffab8bec1261ce20b264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7df246913af282dec7e6fb2ec855bb9778f39c3ce7ffab8bec1261ce20b264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7df246913af282dec7e6fb2ec855bb9778f39c3ce7ffab8bec1261ce20b264", kill_on_drop: false }`
[INFO] [stdout] cc7df246913af282dec7e6fb2ec855bb9778f39c3ce7ffab8bec1261ce20b264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b79a7fd5bd1c07b7d953ea3d512f6f09237d395f2a773d97fe734c6f04c9205
[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" "4b79a7fd5bd1c07b7d953ea3d512f6f09237d395f2a773d97fe734c6f04c9205", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking custom_error v1.6.0
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling snafu-derive v0.3.1
[INFO] [stderr]     Checking snafu v0.3.1
[INFO] [stderr]  Documenting graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         if(!self.backward.contains(&word.to_string())){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 |         if (*found == 0){
[INFO] [stdout]     |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.64s
[INFO] running `Command { std: "docker" "inspect" "4b79a7fd5bd1c07b7d953ea3d512f6f09237d395f2a773d97fe734c6f04c9205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b79a7fd5bd1c07b7d953ea3d512f6f09237d395f2a773d97fe734c6f04c9205", kill_on_drop: false }`
[INFO] [stdout] 4b79a7fd5bd1c07b7d953ea3d512f6f09237d395f2a773d97fe734c6f04c9205