[INFO] cloning repository https://github.com/jehuddleston/RustShell [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jehuddleston/RustShell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 13a9f396c9e88e56508bbff158c6eef2fe262609 [INFO] checking jehuddleston/RustShell against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jehuddleston/RustShell on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jehuddleston/RustShell [INFO] finished tweaking git repo https://github.com/jehuddleston/RustShell [INFO] tweaked toml for git repo https://github.com/jehuddleston/RustShell written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/jehuddleston/RustShell already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b8b062f5f7ff2f53766e12c365bc4ea9190b335b47efa86c78f9e645ff3c19a [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" "4b8b062f5f7ff2f53766e12c365bc4ea9190b335b47efa86c78f9e645ff3c19a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b8b062f5f7ff2f53766e12c365bc4ea9190b335b47efa86c78f9e645ff3c19a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b8b062f5f7ff2f53766e12c365bc4ea9190b335b47efa86c78f9e645ff3c19a", kill_on_drop: false }` [INFO] [stdout] 4b8b062f5f7ff2f53766e12c365bc4ea9190b335b47efa86c78f9e645ff3c19a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcf39bd10fb31e3e12c3654bc220c4c0b4241fcd4487521926b5191c67e3f8e8 [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" "dcf39bd10fb31e3e12c3654bc220c4c0b4241fcd4487521926b5191c67e3f8e8", kill_on_drop: false }` [INFO] [stderr] Checking rustshell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::Split` [INFO] [stdout] --> src/stringparser/stringparser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::Split; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/commandmanager/commandmanager.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | let ret = self.commands.insert(command.to_string(),f); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/commandmanager/commandmanager.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Split` [INFO] [stdout] --> src/stringparser/stringparser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::Split; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/commandmanager/commandmanager.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | let ret = self.commands.insert(command.to_string(),f); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/commandmanager/commandmanager.rs:78:16 [INFO] [stdout] | [INFO] [stdout] 78 | fn one(args: Vec) -> String{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/commandmanager/commandmanager.rs:81:16 [INFO] [stdout] | [INFO] [stdout] 81 | fn two(args: Vec) -> String{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | stdout().flush(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | stdout().flush(); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "dcf39bd10fb31e3e12c3654bc220c4c0b4241fcd4487521926b5191c67e3f8e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcf39bd10fb31e3e12c3654bc220c4c0b4241fcd4487521926b5191c67e3f8e8", kill_on_drop: false }` [INFO] [stdout] dcf39bd10fb31e3e12c3654bc220c4c0b4241fcd4487521926b5191c67e3f8e8