[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [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 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 123b3549ca3c7b9dc4a20f9b0ea3dc5b54d41c0f7958c61cd7d5084d60db3d37 [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" "123b3549ca3c7b9dc4a20f9b0ea3dc5b54d41c0f7958c61cd7d5084d60db3d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "123b3549ca3c7b9dc4a20f9b0ea3dc5b54d41c0f7958c61cd7d5084d60db3d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "123b3549ca3c7b9dc4a20f9b0ea3dc5b54d41c0f7958c61cd7d5084d60db3d37", kill_on_drop: false }` [INFO] [stdout] 123b3549ca3c7b9dc4a20f9b0ea3dc5b54d41c0f7958c61cd7d5084d60db3d37 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f44f094140fa375e5ed96ea24582701118ba470d83b27ec0afcc0c6ce5ebed3 [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" "8f44f094140fa375e5ed96ea24582701118ba470d83b27ec0afcc0c6ce5ebed3", 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 1.10s [INFO] running `Command { std: "docker" "inspect" "8f44f094140fa375e5ed96ea24582701118ba470d83b27ec0afcc0c6ce5ebed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f44f094140fa375e5ed96ea24582701118ba470d83b27ec0afcc0c6ce5ebed3", kill_on_drop: false }` [INFO] [stdout] 8f44f094140fa375e5ed96ea24582701118ba470d83b27ec0afcc0c6ce5ebed3 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41b14c0df8b3b127689aaa72d6972c7079a2b08ec844c609efa40f82c3d677de [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" "41b14c0df8b3b127689aaa72d6972c7079a2b08ec844c609efa40f82c3d677de", 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" "41b14c0df8b3b127689aaa72d6972c7079a2b08ec844c609efa40f82c3d677de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41b14c0df8b3b127689aaa72d6972c7079a2b08ec844c609efa40f82c3d677de", kill_on_drop: false }` [INFO] [stdout] 41b14c0df8b3b127689aaa72d6972c7079a2b08ec844c609efa40f82c3d677de [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 670ad36d22316653d88a6fc71ecd99c479051f3d181eaabd5ea3a881d4e71846 [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" "670ad36d22316653d88a6fc71ecd99c479051f3d181eaabd5ea3a881d4e71846", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable expression [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:185:5 [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] 165 | / loop { [INFO] [stdout] [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 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/protocol_blog-4f01443d7a51c61b) [INFO] running `Command { std: "docker" "inspect" "670ad36d22316653d88a6fc71ecd99c479051f3d181eaabd5ea3a881d4e71846", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "670ad36d22316653d88a6fc71ecd99c479051f3d181eaabd5ea3a881d4e71846", kill_on_drop: false }` [INFO] [stdout] 670ad36d22316653d88a6fc71ecd99c479051f3d181eaabd5ea3a881d4e71846