[INFO] cloning repository https://github.com/jheysonsaav/diamonds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jheysonsaav/diamonds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheysonsaav%2Fdiamonds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheysonsaav%2Fdiamonds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e33ac4bb3dc30e8f4d5eb813d7a640e88b0a621b
[INFO] checking jheysonsaav/diamonds against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheysonsaav%2Fdiamonds" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jheysonsaav/diamonds on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jheysonsaav/diamonds
[INFO] finished tweaking git repo https://github.com/jheysonsaav/diamonds
[INFO] tweaked toml for git repo https://github.com/jheysonsaav/diamonds written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/jheysonsaav/diamonds already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b70490ab2ffd889ffee2bd45dcd521218a87079134e05961ac099ffeb7979c1b
[INFO] running `Command { std: "docker" "start" "-a" "b70490ab2ffd889ffee2bd45dcd521218a87079134e05961ac099ffeb7979c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b70490ab2ffd889ffee2bd45dcd521218a87079134e05961ac099ffeb7979c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70490ab2ffd889ffee2bd45dcd521218a87079134e05961ac099ffeb7979c1b", kill_on_drop: false }`
[INFO] [stdout] b70490ab2ffd889ffee2bd45dcd521218a87079134e05961ac099ffeb7979c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65c6f36c81ccaa2c874540c3e0ae215eb9a103023304c8fae2c00840f2039d8
[INFO] running `Command { std: "docker" "start" "-a" "f65c6f36c81ccaa2c874540c3e0ae215eb9a103023304c8fae2c00840f2039d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking diamonds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parser/tokens/keywords.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn from(value: &str) -> Result<Keywords, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parser/tokens/signs.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn from(value: &str) -> Result<Signs, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]  --> src/parser/tokens.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_identifier`
[INFO] [stdout]   --> src/parser/tokens.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_string`
[INFO] [stdout]   --> src/parser/tokens.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_string(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_number`
[INFO] [stdout]   --> src/parser/tokens.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn is_number(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_float`
[INFO] [stdout]   --> src/parser/tokens.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn is_float(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_keyword`
[INFO] [stdout]   --> src/parser/tokens.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn get_keyword(&self) -> Option<Keywords> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sign`
[INFO] [stdout]   --> src/parser/tokens.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get_sign(&self) -> Option<Signs> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "f65c6f36c81ccaa2c874540c3e0ae215eb9a103023304c8fae2c00840f2039d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65c6f36c81ccaa2c874540c3e0ae215eb9a103023304c8fae2c00840f2039d8", kill_on_drop: false }`
[INFO] [stdout] f65c6f36c81ccaa2c874540c3e0ae215eb9a103023304c8fae2c00840f2039d8