[INFO] cloning repository https://github.com/chiorji/cheap-guess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chiorji/cheap-guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiorji%2Fcheap-guess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiorji%2Fcheap-guess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38fd29f3227225cfc746fee4b140c8be3a968d8c
[INFO] testing chiorji/cheap-guess against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiorji%2Fcheap-guess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chiorji/cheap-guess
[INFO] finished tweaking git repo https://github.com/chiorji/cheap-guess
[INFO] tweaked toml for git repo https://github.com/chiorji/cheap-guess written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chiorji/cheap-guess on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chiorji/cheap-guess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a
[INFO] running `Command { std: "docker" "start" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Guess` is never constructed
[INFO] [stderr]  --> src/guessing_game.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Guess {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `value` are never used
[INFO] [stderr]   --> src/guessing_game.rs:6:12
[INFO] [stderr]    |
[INFO] [stderr]  5 | impl Guess {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn value(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ch02` (lib) generated 2 warnings
[INFO] [stderr] warning: `ch02` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/ch02-f5f19b1e64df8953)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/ch02-056f2478c54ab256)
[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] [stderr]    Doc-tests ch02
[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" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a", kill_on_drop: false }`
[INFO] [stdout] 335aa87faf93feee1ef79da9db37ed4d37c079d1f63bd66814a94029167f956a
