[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaeemali%2Fblog-protocol-decoder" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faeemali/blog-protocol-decoder on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47bed5b9e75e0ff2ac766762d5142c6ed64309ce579b50a7a9d6e6e35a8eab6
[INFO] running `Command { std: "docker" "start" "-a" "b47bed5b9e75e0ff2ac766762d5142c6ed64309ce579b50a7a9d6e6e35a8eab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47bed5b9e75e0ff2ac766762d5142c6ed64309ce579b50a7a9d6e6e35a8eab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47bed5b9e75e0ff2ac766762d5142c6ed64309ce579b50a7a9d6e6e35a8eab6", kill_on_drop: false }`
[INFO] [stdout] b47bed5b9e75e0ff2ac766762d5142c6ed64309ce579b50a7a9d6e6e35a8eab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06928a0e034c3540ed29695372db96c288b28399be8fbed09fed7c036cd0e023
[INFO] running `Command { std: "docker" "start" "-a" "06928a0e034c3540ed29695372db96c288b28399be8fbed09fed7c036cd0e023", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "06928a0e034c3540ed29695372db96c288b28399be8fbed09fed7c036cd0e023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06928a0e034c3540ed29695372db96c288b28399be8fbed09fed7c036cd0e023", kill_on_drop: false }`
[INFO] [stdout] 06928a0e034c3540ed29695372db96c288b28399be8fbed09fed7c036cd0e023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2272779d0b962eeb368f412b39f4f336612fbefa3df8a85578796794398a359b
[INFO] running `Command { std: "docker" "start" "-a" "2272779d0b962eeb368f412b39f4f336612fbefa3df8a85578796794398a359b", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "2272779d0b962eeb368f412b39f4f336612fbefa3df8a85578796794398a359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2272779d0b962eeb368f412b39f4f336612fbefa3df8a85578796794398a359b", kill_on_drop: false }`
[INFO] [stdout] 2272779d0b962eeb368f412b39f4f336612fbefa3df8a85578796794398a359b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fed008c3b4c2367dc796c7b82606cfb8411a1ce4d78570977ac65d56f2a40fc
[INFO] running `Command { std: "docker" "start" "-a" "3fed008c3b4c2367dc796c7b82606cfb8411a1ce4d78570977ac65d56f2a40fc", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/protocol_blog-25f02bda0300f9a5)
[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" "3fed008c3b4c2367dc796c7b82606cfb8411a1ce4d78570977ac65d56f2a40fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fed008c3b4c2367dc796c7b82606cfb8411a1ce4d78570977ac65d56f2a40fc", kill_on_drop: false }`
[INFO] [stdout] 3fed008c3b4c2367dc796c7b82606cfb8411a1ce4d78570977ac65d56f2a40fc