[INFO] cloning repository https://github.com/icechair/spring-challenge-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icechair/spring-challenge-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55bf79b45e3f824b6c0a241d5a4d817fb75c442d
[INFO] testing icechair/spring-challenge-2021 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icechair/spring-challenge-2021 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/icechair/spring-challenge-2021
[INFO] finished tweaking git repo https://github.com/icechair/spring-challenge-2021
[INFO] tweaked toml for git repo https://github.com/icechair/spring-challenge-2021 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/icechair/spring-challenge-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50ab4c4fe80d62603945a275e9581e642d33473909ab5efff93d41fe0da4a8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b50ab4c4fe80d62603945a275e9581e642d33473909ab5efff93d41fe0da4a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50ab4c4fe80d62603945a275e9581e642d33473909ab5efff93d41fe0da4a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50ab4c4fe80d62603945a275e9581e642d33473909ab5efff93d41fe0da4a8a", kill_on_drop: false }`
[INFO] [stdout] b50ab4c4fe80d62603945a275e9581e642d33473909ab5efff93d41fe0da4a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e43c499518744b174ab639c621c46b5187cb93346124a0fd1bd2396598a391e7
[INFO] running `Command { std: "docker" "start" "-a" "e43c499518744b174ab639c621c46b5187cb93346124a0fd1bd2396598a391e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling springbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sun_direction`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn sun_direction(day: i32) -> usize {
[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: `next`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cast_shadows`
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "e43c499518744b174ab639c621c46b5187cb93346124a0fd1bd2396598a391e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43c499518744b174ab639c621c46b5187cb93346124a0fd1bd2396598a391e7", kill_on_drop: false }`
[INFO] [stdout] e43c499518744b174ab639c621c46b5187cb93346124a0fd1bd2396598a391e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08202981e30b9db4489b09539728649fd9b36f8c842710a9caeca4ffa24850b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d08202981e30b9db4489b09539728649fd9b36f8c842710a9caeca4ffa24850b", kill_on_drop: false }`
[INFO] [stderr]    Compiling springbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sun_direction`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn sun_direction(day: i32) -> usize {
[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: `next`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cast_shadows`
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "d08202981e30b9db4489b09539728649fd9b36f8c842710a9caeca4ffa24850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08202981e30b9db4489b09539728649fd9b36f8c842710a9caeca4ffa24850b", kill_on_drop: false }`
[INFO] [stdout] d08202981e30b9db4489b09539728649fd9b36f8c842710a9caeca4ffa24850b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 598ea882c6b39ef10f09d4f72c9bfed9beab63da21ab0b746da09dcbf36e33db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "598ea882c6b39ef10f09d4f72c9bfed9beab63da21ab0b746da09dcbf36e33db", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `sun_direction`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 | fn sun_direction(day: i32) -> usize {
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cast_shadows`
[INFO] [stderr]   --> src/main.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `springbot` (bin "springbot" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/springbot-7eb519ad534b839b)
[INFO] running `Command { std: "docker" "inspect" "598ea882c6b39ef10f09d4f72c9bfed9beab63da21ab0b746da09dcbf36e33db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598ea882c6b39ef10f09d4f72c9bfed9beab63da21ab0b746da09dcbf36e33db", kill_on_drop: false }`
[INFO] [stdout] 598ea882c6b39ef10f09d4f72c9bfed9beab63da21ab0b746da09dcbf36e33db