[INFO] cloning repository https://github.com/corocn/rust_nlp100
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corocn/rust_nlp100" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorocn%2Frust_nlp100", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorocn%2Frust_nlp100'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a565976b5f109ee39367657581c2f14a14bb4964
[INFO] checking corocn/rust_nlp100 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorocn%2Frust_nlp100" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corocn/rust_nlp100 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corocn/rust_nlp100
[INFO] finished tweaking git repo https://github.com/corocn/rust_nlp100
[INFO] tweaked toml for git repo https://github.com/corocn/rust_nlp100 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/corocn/rust_nlp100 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbab3de01095e6349aff9b0b801b5ffa048e1d6acf904ddbc0c0824f824b423c
[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" "bbab3de01095e6349aff9b0b801b5ffa048e1d6acf904ddbc0c0824f824b423c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbab3de01095e6349aff9b0b801b5ffa048e1d6acf904ddbc0c0824f824b423c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbab3de01095e6349aff9b0b801b5ffa048e1d6acf904ddbc0c0824f824b423c", kill_on_drop: false }`
[INFO] [stdout] bbab3de01095e6349aff9b0b801b5ffa048e1d6acf904ddbc0c0824f824b423c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--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] d0d08ad11b957c8370dadaf1c39d9ed28a8aca578afda0b3bddd02a83821ce33
[INFO] running `Command { std: "docker" "start" "-a" "d0d08ad11b957c8370dadaf1c39d9ed28a8aca578afda0b3bddd02a83821ce33", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_nlp100 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/chapter1.rs:125:14
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for i in (0..len) {
[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 `for` iterator expression
[INFO] [stdout]    --> src/chapter1.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |         for x in (0..n) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/chapter1.rs:125:14
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for i in (0..len) {
[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 `for` iterator expression
[INFO] [stdout]    --> src/chapter1.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |         for x in (0..n) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p000`
[INFO] [stdout]  --> src/chapter1.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn p000() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p001`
[INFO] [stdout]   --> src/chapter1.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn p001() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p002`
[INFO] [stdout]   --> src/chapter1.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn p002() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p003`
[INFO] [stdout]   --> src/chapter1.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn p003() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p004`
[INFO] [stdout]   --> src/chapter1.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn p004() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p005`
[INFO] [stdout]    --> src/chapter1.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn p005() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p000`
[INFO] [stdout]  --> src/chapter1.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn p000() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p001`
[INFO] [stdout]   --> src/chapter1.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn p001() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p002`
[INFO] [stdout]   --> src/chapter1.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn p002() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p003`
[INFO] [stdout]   --> src/chapter1.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn p003() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p004`
[INFO] [stdout]   --> src/chapter1.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn p004() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p005`
[INFO] [stdout]    --> src/chapter1.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn p005() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d0d08ad11b957c8370dadaf1c39d9ed28a8aca578afda0b3bddd02a83821ce33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d08ad11b957c8370dadaf1c39d9ed28a8aca578afda0b3bddd02a83821ce33", kill_on_drop: false }`
[INFO] [stdout] d0d08ad11b957c8370dadaf1c39d9ed28a8aca578afda0b3bddd02a83821ce33