[INFO] cloning repository https://github.com/JimmyDeuce/Rustball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JimmyDeuce/Rustball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d20440975eb3918f14e6571fa0f811851595f69c
[INFO] checking JimmyDeuce/Rustball against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JimmyDeuce/Rustball on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] finished tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] tweaked toml for git repo https://github.com/JimmyDeuce/Rustball written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/JimmyDeuce/Rustball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded command_attr v0.3.5
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bd7895a6798a4152f9566d324a88f025a88513199097ebf1cef5745c30446fa
[INFO] running `Command { std: "docker" "start" "-a" "3bd7895a6798a4152f9566d324a88f025a88513199097ebf1cef5745c30446fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd7895a6798a4152f9566d324a88f025a88513199097ebf1cef5745c30446fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd7895a6798a4152f9566d324a88f025a88513199097ebf1cef5745c30446fa", kill_on_drop: false }`
[INFO] [stdout] 3bd7895a6798a4152f9566d324a88f025a88513199097ebf1cef5745c30446fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59db652c9b4a94328ca85bfe9b4b9b43fcc19f4d9620d0f96132843ee153fb06
[INFO] running `Command { std: "docker" "start" "-a" "59db652c9b4a94328ca85bfe9b4b9b43fcc19f4d9620d0f96132843ee153fb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serenity v0.10.5
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling command_attr v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]     Checking rustball v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `reroll`
[INFO] [stdout]   --> src/dice/die.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn reroll(&mut self) {
[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: `set`
[INFO] [stdout]   --> src/dice/die.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `explode`
[INFO] [stdout]   --> src/dice/die.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn explode(&self) -> Die {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equals`
[INFO] [stdout]   --> src/dice/die.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn equals(&self, value: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal_or_greater`
[INFO] [stdout]   --> src/dice/die.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn equal_or_greater(&self, target: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal_or_less`
[INFO] [stdout]   --> src/dice/die.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn equal_or_less(&self, target: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_successes`
[INFO] [stdout]   --> src/dice/die.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn count_successes(&self, tns: &[u8]) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reroll`
[INFO] [stdout]   --> src/dice/die.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn reroll(&mut self) {
[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: `explode`
[INFO] [stdout]   --> src/dice/die.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn explode(&self) -> Die {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "59db652c9b4a94328ca85bfe9b4b9b43fcc19f4d9620d0f96132843ee153fb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59db652c9b4a94328ca85bfe9b4b9b43fcc19f4d9620d0f96132843ee153fb06", kill_on_drop: false }`
[INFO] [stdout] 59db652c9b4a94328ca85bfe9b4b9b43fcc19f4d9620d0f96132843ee153fb06