[INFO] cloning repository https://github.com/arpitanand333/Mini-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arpitanand333/Mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpitanand333%2FMini-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpitanand333%2FMini-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 196207e04888e199e8404135cc7e2487a4a4f8c5 [INFO] testing arpitanand333/Mini-redis against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpitanand333%2FMini-redis" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/arpitanand333/Mini-redis [INFO] finished tweaking git repo https://github.com/arpitanand333/Mini-redis [INFO] tweaked toml for git repo https://github.com/arpitanand333/Mini-redis written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/arpitanand333/Mini-redis on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/arpitanand333/Mini-redis already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mini-redis v0.4.1 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3496dd443ce211aee44d7d3d16a3e1055741d3e1187620563dd4d5d44314acef [INFO] running `Command { std: "docker" "start" "-a" "3496dd443ce211aee44d7d3d16a3e1055741d3e1187620563dd4d5d44314acef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3496dd443ce211aee44d7d3d16a3e1055741d3e1187620563dd4d5d44314acef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3496dd443ce211aee44d7d3d16a3e1055741d3e1187620563dd4d5d44314acef", kill_on_drop: false }` [INFO] [stdout] 3496dd443ce211aee44d7d3d16a3e1055741d3e1187620563dd4d5d44314acef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c99d1faff745822c6536ded5d3e671985656228e7ee6e39dc765282a03c8c9e [INFO] running `Command { std: "docker" "start" "-a" "9c99d1faff745822c6536ded5d3e671985656228e7ee6e39dc765282a03c8c9e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling thread_local v1.1.7 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling tracing-log v0.1.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling regex-automata v0.3.6 [INFO] [stderr] Compiling chrono v0.4.26 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling regex v1.9.3 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling async-stream v0.3.5 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling tokio-stream v0.1.14 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `clone` [INFO] [stdout] --> src/bin/server.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, clone}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/echo-client.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | wt.write_all(b" hello\r \n").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = wt.write_all(b" hello\r \n").await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/echo-client.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | wt.write_all(b" world \r \n").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = wt.write_all(b" world \r \n").await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.30s [INFO] running `Command { std: "docker" "inspect" "9c99d1faff745822c6536ded5d3e671985656228e7ee6e39dc765282a03c8c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c99d1faff745822c6536ded5d3e671985656228e7ee6e39dc765282a03c8c9e", kill_on_drop: false }` [INFO] [stdout] 9c99d1faff745822c6536ded5d3e671985656228e7ee6e39dc765282a03c8c9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc4b669cefbc98ecb5834ed05cd297f2c12cfcf36d0ece0b1ae710d8ad5d8517 [INFO] running `Command { std: "docker" "start" "-a" "fc4b669cefbc98ecb5834ed05cd297f2c12cfcf36d0ece0b1ae710d8ad5d8517", kill_on_drop: false }` [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/echo-client.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | wt.write_all(b" hello\r \n").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = wt.write_all(b" hello\r \n").await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/echo-client.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | wt.write_all(b" world \r \n").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = wt.write_all(b" world \r \n").await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clone` [INFO] [stdout] --> src/bin/server.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, clone}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "fc4b669cefbc98ecb5834ed05cd297f2c12cfcf36d0ece0b1ae710d8ad5d8517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc4b669cefbc98ecb5834ed05cd297f2c12cfcf36d0ece0b1ae710d8ad5d8517", kill_on_drop: false }` [INFO] [stdout] fc4b669cefbc98ecb5834ed05cd297f2c12cfcf36d0ece0b1ae710d8ad5d8517 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00efa90f3af42239dd860390c1dcb8a8b80fd2e5f40b7ed5aba1555f6d5a3ab1 [INFO] running `Command { std: "docker" "start" "-a" "00efa90f3af42239dd860390c1dcb8a8b80fd2e5f40b7ed5aba1555f6d5a3ab1", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/echo-client.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | wt.write_all(b" hello\r \n").await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 10 | let _ = wt.write_all(b" hello\r \n").await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/echo-client.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | wt.write_all(b" world \r \n").await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 11 | let _ = wt.write_all(b" world \r \n").await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused import: `clone` [INFO] [stderr] --> src/bin/server.rs:3:33 [INFO] [stderr] | [INFO] [stderr] 3 | use std::{collections::HashMap, clone}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `my-redis` (bin "echo-client" test) generated 2 warnings [INFO] [stderr] warning: `my-redis` (bin "server" test) generated 1 warning (run `cargo fix --bin "server" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-460eb9e6681fb6bd) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/echo-client.rs (/opt/rustwide/target/debug/deps/echo_client-30f0948e4eb48779) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/echo-server-copy.rs (/opt/rustwide/target/debug/deps/echo_server_copy-3a1898496161e136) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] [stdout] [INFO] [stderr] Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-4eace818e70a3628) [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] [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" "00efa90f3af42239dd860390c1dcb8a8b80fd2e5f40b7ed5aba1555f6d5a3ab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00efa90f3af42239dd860390c1dcb8a8b80fd2e5f40b7ed5aba1555f6d5a3ab1", kill_on_drop: false }` [INFO] [stdout] 00efa90f3af42239dd860390c1dcb8a8b80fd2e5f40b7ed5aba1555f6d5a3ab1