[INFO] cloning repository https://github.com/faeemali/blog-protocol-decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faeemali/blog-protocol-decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaeemali%2Fblog-protocol-decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaeemali%2Fblog-protocol-decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 233bf48db2ca82dbad8d9dcadc3952b8081750e4
[INFO] testing faeemali/blog-protocol-decoder against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaeemali%2Fblog-protocol-decoder" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faeemali/blog-protocol-decoder 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/faeemali/blog-protocol-decoder
[INFO] finished tweaking git repo https://github.com/faeemali/blog-protocol-decoder
[INFO] tweaked toml for git repo https://github.com/faeemali/blog-protocol-decoder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/faeemali/blog-protocol-decoder 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 40a6f027dada9191264605e87d8590008fdb0403d8840eb9c2a3ef46b0525b7f
[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" "40a6f027dada9191264605e87d8590008fdb0403d8840eb9c2a3ef46b0525b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a6f027dada9191264605e87d8590008fdb0403d8840eb9c2a3ef46b0525b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a6f027dada9191264605e87d8590008fdb0403d8840eb9c2a3ef46b0525b7f", kill_on_drop: false }`
[INFO] [stdout] 40a6f027dada9191264605e87d8590008fdb0403d8840eb9c2a3ef46b0525b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5e280a9fd31b1c5681c809fc93bcfa3267e48f92ce90e504f7ddc76573febd3d
[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" "5e280a9fd31b1c5681c809fc93bcfa3267e48f92ce90e504f7ddc76573febd3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling protocol_blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     loop {
[INFO] [stdout] 166 | |         let size = io::stdin().read(&mut b)?;
[INFO] [stdout] 167 | |         for j in 0..size {
[INFO] [stdout] 168 | |             let ret = protocol(&mut ctx, b[j]);
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |         sleep(Duration::from_millis(10));
[INFO] [stdout] 183 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 184 | 
[INFO] [stdout] 185 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_crc`
[INFO] [stdout]   --> src/main.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stdout]    |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_crc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "5e280a9fd31b1c5681c809fc93bcfa3267e48f92ce90e504f7ddc76573febd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e280a9fd31b1c5681c809fc93bcfa3267e48f92ce90e504f7ddc76573febd3d", kill_on_drop: false }`
[INFO] [stdout] 5e280a9fd31b1c5681c809fc93bcfa3267e48f92ce90e504f7ddc76573febd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] db4c56f93601cc5e46452cfdd7f0d38f3a4694d446bf9148728b3eed855102eb
[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" "db4c56f93601cc5e46452cfdd7f0d38f3a4694d446bf9148728b3eed855102eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling protocol_blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     loop {
[INFO] [stdout] 166 | |         let size = io::stdin().read(&mut b)?;
[INFO] [stdout] 167 | |         for j in 0..size {
[INFO] [stdout] 168 | |             let ret = protocol(&mut ctx, b[j]);
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |         sleep(Duration::from_millis(10));
[INFO] [stdout] 183 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 184 | 
[INFO] [stdout] 185 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_crc`
[INFO] [stdout]   --> src/main.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stdout]    |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_crc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "db4c56f93601cc5e46452cfdd7f0d38f3a4694d446bf9148728b3eed855102eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4c56f93601cc5e46452cfdd7f0d38f3a4694d446bf9148728b3eed855102eb", kill_on_drop: false }`
[INFO] [stdout] db4c56f93601cc5e46452cfdd7f0d38f3a4694d446bf9148728b3eed855102eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99b6b4162ac57362d043553649e11704270b2683bbe9fa34ddf942c865f3b05f
[INFO] running `Command { std: "docker" "start" "-a" "99b6b4162ac57362d043553649e11704270b2683bbe9fa34ddf942c865f3b05f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 165 | /     loop {
[INFO] [stderr] 166 | |         let size = io::stdin().read(&mut b)?;
[INFO] [stderr] 167 | |         for j in 0..size {
[INFO] [stderr] 168 | |             let ret = protocol(&mut ctx, b[j]);
[INFO] [stderr] ...   |
[INFO] [stderr] 182 | |         sleep(Duration::from_millis(10));
[INFO] [stderr] 183 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 184 | 
[INFO] [stderr] 185 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curr_crc`
[INFO] [stderr]   --> src/main.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stderr]    |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_crc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:72:30
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn update_crc(curr_crc: u16, b: u8) -> u16 {
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `protocol_blog` (bin "protocol_blog" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/protocol_blog-6d5801d6d26ceb68)
[INFO] running `Command { std: "docker" "inspect" "99b6b4162ac57362d043553649e11704270b2683bbe9fa34ddf942c865f3b05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b6b4162ac57362d043553649e11704270b2683bbe9fa34ddf942c865f3b05f", kill_on_drop: false }`
[INFO] [stdout] 99b6b4162ac57362d043553649e11704270b2683bbe9fa34ddf942c865f3b05f