[INFO] cloning repository https://github.com/polymetric/grassfinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polymetric/grassfinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolymetric%2Fgrassfinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolymetric%2Fgrassfinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6d3d8b5b6c1ea4c86aef359d89a2f03a092713c
[INFO] testing polymetric/grassfinder against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolymetric%2Fgrassfinder" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/polymetric/grassfinder on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/polymetric/grassfinder
[INFO] finished tweaking git repo https://github.com/polymetric/grassfinder
[INFO] tweaked toml for git repo https://github.com/polymetric/grassfinder written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/polymetric/grassfinder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d730fafef146a739268a672e9daedba0e3f38fffc56350bb5029e54c05a85ea9
[INFO] running `Command { std: "docker" "start" "-a" "d730fafef146a739268a672e9daedba0e3f38fffc56350bb5029e54c05a85ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d730fafef146a739268a672e9daedba0e3f38fffc56350bb5029e54c05a85ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d730fafef146a739268a672e9daedba0e3f38fffc56350bb5029e54c05a85ea9", kill_on_drop: false }`
[INFO] [stdout] d730fafef146a739268a672e9daedba0e3f38fffc56350bb5029e54c05a85ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d4eb16fbb93f151ee866984edd93f9f6e5606b889e863aad5d63675ca333a1
[INFO] running `Command { std: "docker" "start" "-a" "82d4eb16fbb93f151ee866984edd93f9f6e5606b889e863aad5d63675ca333a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling spiral v0.1.9
[INFO] [stderr]    Compiling grassfinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if (arg == "--post-1.12") {
[INFO] [stdout]    |            ^                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if (arg == "--post-1.12") {
[INFO] [stdout] 23 +         if arg == "--post-1.12" {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_match`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut is_match = "";
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_match`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut is_match = "";
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `off_itof_xyz`
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn off_itof_xyz(x: i8, y: i8, z: i8) -> (f64, f64, f64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `off_ftoi_xyz`
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn off_ftoi_xyz(x: f64, y: f64, z: f64) -> (i8, i8, i8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map`
[INFO] [stdout]    --> src/main.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn map(
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "82d4eb16fbb93f151ee866984edd93f9f6e5606b889e863aad5d63675ca333a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d4eb16fbb93f151ee866984edd93f9f6e5606b889e863aad5d63675ca333a1", kill_on_drop: false }`
[INFO] [stdout] 82d4eb16fbb93f151ee866984edd93f9f6e5606b889e863aad5d63675ca333a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e8938ddf449bde8cdcfe68e8e6b1a9e523ea9741aa3bf74d0f345e2e8c9501b
[INFO] running `Command { std: "docker" "start" "-a" "0e8938ddf449bde8cdcfe68e8e6b1a9e523ea9741aa3bf74d0f345e2e8c9501b", kill_on_drop: false }`
[INFO] [stderr]    Compiling grassfinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if (arg == "--post-1.12") {
[INFO] [stdout]    |            ^                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if (arg == "--post-1.12") {
[INFO] [stdout] 23 +         if arg == "--post-1.12" {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_match`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut is_match = "";
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_match`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut is_match = "";
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `off_itof_xyz`
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn off_itof_xyz(x: i8, y: i8, z: i8) -> (f64, f64, f64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `off_ftoi_xyz`
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn off_ftoi_xyz(x: f64, y: f64, z: f64) -> (i8, i8, i8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map`
[INFO] [stdout]    --> src/main.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn map(
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "0e8938ddf449bde8cdcfe68e8e6b1a9e523ea9741aa3bf74d0f345e2e8c9501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8938ddf449bde8cdcfe68e8e6b1a9e523ea9741aa3bf74d0f345e2e8c9501b", kill_on_drop: false }`
[INFO] [stdout] 0e8938ddf449bde8cdcfe68e8e6b1a9e523ea9741aa3bf74d0f345e2e8c9501b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f78232c509946fd9ba9f680f11399f7ec0089bf071f6ba6c229779e7e9d3f387
[INFO] running `Command { std: "docker" "start" "-a" "f78232c509946fd9ba9f680f11399f7ec0089bf071f6ba6c229779e7e9d3f387", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |         if (arg == "--post-1.12") {
[INFO] [stderr]    |            ^                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         if (arg == "--post-1.12") {
[INFO] [stderr] 23 +         if arg == "--post-1.12" {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_match`
[INFO] [stderr]   --> src/main.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let mut is_match = "";
[INFO] [stderr]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_match`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let mut is_match = "";
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `off_itof_xyz`
[INFO] [stderr]   --> src/main.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn off_itof_xyz(x: i8, y: i8, z: i8) -> (f64, f64, f64) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `off_ftoi_xyz`
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn off_ftoi_xyz(x: f64, y: f64, z: f64) -> (i8, i8, i8) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `map`
[INFO] [stderr]    --> src/main.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn map(
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grassfinder` (bin "grassfinder" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grassfinder-8a0403eb24ac0ec2)
[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" "f78232c509946fd9ba9f680f11399f7ec0089bf071f6ba6c229779e7e9d3f387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78232c509946fd9ba9f680f11399f7ec0089bf071f6ba6c229779e7e9d3f387", kill_on_drop: false }`
[INFO] [stdout] f78232c509946fd9ba9f680f11399f7ec0089bf071f6ba6c229779e7e9d3f387