[INFO] cloning repository https://github.com/ray33ee/two35rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray33ee/two35rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Ftwo35rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Ftwo35rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d34be2f64fb66b502162260e0ad9bd7e97b2bd0a
[INFO] testing ray33ee/two35rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Ftwo35rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ray33ee/two35rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ray33ee/two35rust
[INFO] finished tweaking git repo https://github.com/ray33ee/two35rust
[INFO] tweaked toml for git repo https://github.com/ray33ee/two35rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ray33ee/two35rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14916cd7f41faf462527a1723e544a8db8872691319223bd26e1cc78bd4852f6
[INFO] running `Command { std: "docker" "start" "-a" "14916cd7f41faf462527a1723e544a8db8872691319223bd26e1cc78bd4852f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14916cd7f41faf462527a1723e544a8db8872691319223bd26e1cc78bd4852f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14916cd7f41faf462527a1723e544a8db8872691319223bd26e1cc78bd4852f6", kill_on_drop: false }`
[INFO] [stdout] 14916cd7f41faf462527a1723e544a8db8872691319223bd26e1cc78bd4852f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5640178ba9f00c7b20ebb9cd55ff693f647280515d891807af1da50b99f5bd
[INFO] running `Command { std: "docker" "start" "-a" "0b5640178ba9f00c7b20ebb9cd55ff693f647280515d891807af1da50b99f5bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling two35 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn value(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unwind`
[INFO] [stdout]  --> src/bfs.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn unwind(map: & HashMap<i32, (i32, u8)>, n: i32) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `round`
[INFO] [stdout]   --> src/bfs.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn round(map: & mut HashMap<i32, (i32, u8)>, n: i32) -> Option<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search`
[INFO] [stdout]   --> src/bfs.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn search(n: i32) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         file.write(&bytes[0..4]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "0b5640178ba9f00c7b20ebb9cd55ff693f647280515d891807af1da50b99f5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5640178ba9f00c7b20ebb9cd55ff693f647280515d891807af1da50b99f5bd", kill_on_drop: false }`
[INFO] [stdout] 0b5640178ba9f00c7b20ebb9cd55ff693f647280515d891807af1da50b99f5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c6259bf0061020b6dcdf95bff62290e2971b212f4d30e208a686752416ffb5
[INFO] running `Command { std: "docker" "start" "-a" "66c6259bf0061020b6dcdf95bff62290e2971b212f4d30e208a686752416ffb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling two35 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn value(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unwind`
[INFO] [stdout]  --> src/bfs.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn unwind(map: & HashMap<i32, (i32, u8)>, n: i32) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `round`
[INFO] [stdout]   --> src/bfs.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn round(map: & mut HashMap<i32, (i32, u8)>, n: i32) -> Option<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search`
[INFO] [stdout]   --> src/bfs.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn search(n: i32) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         file.write(&bytes[0..4]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "66c6259bf0061020b6dcdf95bff62290e2971b212f4d30e208a686752416ffb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c6259bf0061020b6dcdf95bff62290e2971b212f4d30e208a686752416ffb5", kill_on_drop: false }`
[INFO] [stdout] 66c6259bf0061020b6dcdf95bff62290e2971b212f4d30e208a686752416ffb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cdda806299a077f10d75a01e5c5a6a0f665e55f927bda8a5393bf11e0cf7c0a
[INFO] running `Command { std: "docker" "start" "-a" "1cdda806299a077f10d75a01e5c5a6a0f665e55f927bda8a5393bf11e0cf7c0a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 55 |     fn value(&self) -> u32 {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unwind`
[INFO] [stderr]  --> src/bfs.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn unwind(map: & HashMap<i32, (i32, u8)>, n: i32) -> Vec<u8> {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `round`
[INFO] [stderr]   --> src/bfs.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn round(map: & mut HashMap<i32, (i32, u8)>, n: i32) -> Option<()> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]   --> src/bfs.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn search(n: i32) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         file.write(&bytes[0..4]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `two35` (bin "two35" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/two35-38ac6bd706d8bc9c)
[INFO] running `Command { std: "docker" "inspect" "1cdda806299a077f10d75a01e5c5a6a0f665e55f927bda8a5393bf11e0cf7c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdda806299a077f10d75a01e5c5a6a0f665e55f927bda8a5393bf11e0cf7c0a", kill_on_drop: false }`
[INFO] [stdout] 1cdda806299a077f10d75a01e5c5a6a0f665e55f927bda8a5393bf11e0cf7c0a