[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Ftwo35rust" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ray33ee/two35rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-21/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc258808115c68a672c8d3028679aa19d75b7293e6453b66813c28a571458089
[INFO] running `Command { std: "docker" "start" "-a" "fc258808115c68a672c8d3028679aa19d75b7293e6453b66813c28a571458089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc258808115c68a672c8d3028679aa19d75b7293e6453b66813c28a571458089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc258808115c68a672c8d3028679aa19d75b7293e6453b66813c28a571458089", kill_on_drop: false }`
[INFO] [stdout] fc258808115c68a672c8d3028679aa19d75b7293e6453b66813c28a571458089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f470b9358d6c28e785fa5c248a1c81dad287a9447e09dea4e602021723e2ca5
[INFO] running `Command { std: "docker" "start" "-a" "7f470b9358d6c28e785fa5c248a1c81dad287a9447e09dea4e602021723e2ca5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling two35 v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(dead_code)]` on by default
[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: 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] 
[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 1.64s
[INFO] running `Command { std: "docker" "inspect" "7f470b9358d6c28e785fa5c248a1c81dad287a9447e09dea4e602021723e2ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f470b9358d6c28e785fa5c248a1c81dad287a9447e09dea4e602021723e2ca5", kill_on_drop: false }`
[INFO] [stdout] 7f470b9358d6c28e785fa5c248a1c81dad287a9447e09dea4e602021723e2ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9643cbaa2a6bb6a014e1a66c4231b211c709cfbe4ffa7eb6756c76f753e3e6
[INFO] running `Command { std: "docker" "start" "-a" "2e9643cbaa2a6bb6a014e1a66c4231b211c709cfbe4ffa7eb6756c76f753e3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling two35 v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(dead_code)]` on by default
[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: 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] 
[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 0.31s
[INFO] running `Command { std: "docker" "inspect" "2e9643cbaa2a6bb6a014e1a66c4231b211c709cfbe4ffa7eb6756c76f753e3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9643cbaa2a6bb6a014e1a66c4231b211c709cfbe4ffa7eb6756c76f753e3e6", kill_on_drop: false }`
[INFO] [stdout] 2e9643cbaa2a6bb6a014e1a66c4231b211c709cfbe4ffa7eb6756c76f753e3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de71dea902c55b0aeceb7c80ce530ce1851efb6f94bde9c27c41d12f391d0d6c
[INFO] running `Command { std: "docker" "start" "-a" "de71dea902c55b0aeceb7c80ce530ce1851efb6f94bde9c27c41d12f391d0d6c", kill_on_drop: false }`
[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]   = note: `#[warn(dead_code)]` on by default
[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: associated function is never used: `value`
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn value(&self) -> u32 {
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/two35-46750b8c759d431f)
[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" "de71dea902c55b0aeceb7c80ce530ce1851efb6f94bde9c27c41d12f391d0d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de71dea902c55b0aeceb7c80ce530ce1851efb6f94bde9c27c41d12f391d0d6c", kill_on_drop: false }`
[INFO] [stdout] de71dea902c55b0aeceb7c80ce530ce1851efb6f94bde9c27c41d12f391d0d6c