[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] testing corocn/rust_nlp100 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorocn%2Frust_nlp100" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corocn/rust_nlp100 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-21/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88602aa2e06d9fa952dd90e4d38e116ef8b468aa4fc8da7b0a993ce61b681293
[INFO] running `Command { std: "docker" "start" "-a" "88602aa2e06d9fa952dd90e4d38e116ef8b468aa4fc8da7b0a993ce61b681293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88602aa2e06d9fa952dd90e4d38e116ef8b468aa4fc8da7b0a993ce61b681293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88602aa2e06d9fa952dd90e4d38e116ef8b468aa4fc8da7b0a993ce61b681293", kill_on_drop: false }`
[INFO] [stdout] 88602aa2e06d9fa952dd90e4d38e116ef8b468aa4fc8da7b0a993ce61b681293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a2672acdf8254d5404624a5aca46c421fdcc3300c32d31068028f143a3e0d3
[INFO] running `Command { std: "docker" "start" "-a" "06a2672acdf8254d5404624a5aca46c421fdcc3300c32d31068028f143a3e0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     |              ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 -     for i in (0..len) {
[INFO] [stdout] 125 +     for i in 0..len {
[INFO] [stdout]     | 
[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]     |                  ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -         for x in (0..n) {
[INFO] [stdout] 128 +         for x in 0..n {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06a2672acdf8254d5404624a5aca46c421fdcc3300c32d31068028f143a3e0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a2672acdf8254d5404624a5aca46c421fdcc3300c32d31068028f143a3e0d3", kill_on_drop: false }`
[INFO] [stdout] 06a2672acdf8254d5404624a5aca46c421fdcc3300c32d31068028f143a3e0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7979cddbe802737f87a98134a8ac532967503807fe29b637b14b287d62e5f2a
[INFO] running `Command { std: "docker" "start" "-a" "d7979cddbe802737f87a98134a8ac532967503807fe29b637b14b287d62e5f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     |              ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 -     for i in (0..len) {
[INFO] [stdout] 125 +     for i in 0..len {
[INFO] [stdout]     | 
[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]     |                  ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -         for x in (0..n) {
[INFO] [stdout] 128 +         for x in 0..n {
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "d7979cddbe802737f87a98134a8ac532967503807fe29b637b14b287d62e5f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7979cddbe802737f87a98134a8ac532967503807fe29b637b14b287d62e5f2a", kill_on_drop: false }`
[INFO] [stdout] d7979cddbe802737f87a98134a8ac532967503807fe29b637b14b287d62e5f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb8b91d8801803990e2a46d8f9f64916a0697fc21e152ad8bf604cb830cf65b0
[INFO] running `Command { std: "docker" "start" "-a" "fb8b91d8801803990e2a46d8f9f64916a0697fc21e152ad8bf604cb830cf65b0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/chapter1.rs:125:14
[INFO] [stderr]     |
[INFO] [stderr] 125 |     for i in (0..len) {
[INFO] [stderr]     |              ^      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 125 -     for i in (0..len) {
[INFO] [stderr] 125 +     for i in 0..len {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/chapter1.rs:128:18
[INFO] [stderr]     |
[INFO] [stderr] 128 |         for x in (0..n) {
[INFO] [stderr]     |                  ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 128 -         for x in (0..n) {
[INFO] [stderr] 128 +         for x in 0..n {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p000`
[INFO] [stderr]  --> src/chapter1.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn p000() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p001`
[INFO] [stderr]   --> src/chapter1.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn p001() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p002`
[INFO] [stderr]   --> src/chapter1.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn p002() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p003`
[INFO] [stderr]   --> src/chapter1.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn p003() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p004`
[INFO] [stderr]   --> src/chapter1.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn p004() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p005`
[INFO] [stderr]    --> src/chapter1.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn p005() {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_nlp100` (bin "rust_nlp100" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_nlp100-d8170338abcdf090)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb8b91d8801803990e2a46d8f9f64916a0697fc21e152ad8bf604cb830cf65b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8b91d8801803990e2a46d8f9f64916a0697fc21e152ad8bf604cb830cf65b0", kill_on_drop: false }`
[INFO] [stdout] fb8b91d8801803990e2a46d8f9f64916a0697fc21e152ad8bf604cb830cf65b0