[INFO] cloning repository https://github.com/jbc2313/learning_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbc2313/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbc2313%2Flearning_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbc2313%2Flearning_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0709b0619d70d07df1e576ebb8166fb3e5a33753 [INFO] testing jbc2313/learning_rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbc2313%2Flearning_rust" "/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/jbc2313/learning_rust [INFO] finished tweaking git repo https://github.com/jbc2313/learning_rust [INFO] tweaked toml for git repo https://github.com/jbc2313/learning_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jbc2313/learning_rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jbc2313/learning_rust 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b04ef034207eb8ebb86383da4278db7260660357d2c4ddd7e7ee2595187014f1 [INFO] running `Command { std: "docker" "start" "-a" "b04ef034207eb8ebb86383da4278db7260660357d2c4ddd7e7ee2595187014f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b04ef034207eb8ebb86383da4278db7260660357d2c4ddd7e7ee2595187014f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b04ef034207eb8ebb86383da4278db7260660357d2c4ddd7e7ee2595187014f1", kill_on_drop: false }` [INFO] [stdout] b04ef034207eb8ebb86383da4278db7260660357d2c4ddd7e7ee2595187014f1 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0e6e33085477e49d90006972d43ab0e12dcbec3643731282e6327ef2abb4c70 [INFO] running `Command { std: "docker" "start" "-a" "c0e6e33085477e49d90006972d43ab0e12dcbec3643731282e6327ef2abb4c70", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/read_file.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DirElement { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 8 | pub name: String, [INFO] [stdout] 9 | pub file: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DirElement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `dir` are never read [INFO] [stdout] --> src/read_file.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Directory { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub dir: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Directory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "c0e6e33085477e49d90006972d43ab0e12dcbec3643731282e6327ef2abb4c70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0e6e33085477e49d90006972d43ab0e12dcbec3643731282e6327ef2abb4c70", kill_on_drop: false }` [INFO] [stdout] c0e6e33085477e49d90006972d43ab0e12dcbec3643731282e6327ef2abb4c70 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 823e0a74c43867a98d32403f44ef6145dac57817f0866dd2335fab341e5e8651 [INFO] running `Command { std: "docker" "start" "-a" "823e0a74c43867a98d32403f44ef6145dac57817f0866dd2335fab341e5e8651", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/read_file.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DirElement { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 8 | pub name: String, [INFO] [stdout] 9 | pub file: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DirElement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `dir` are never read [INFO] [stdout] --> src/read_file.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Directory { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub dir: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Directory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "823e0a74c43867a98d32403f44ef6145dac57817f0866dd2335fab341e5e8651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "823e0a74c43867a98d32403f44ef6145dac57817f0866dd2335fab341e5e8651", kill_on_drop: false }` [INFO] [stdout] 823e0a74c43867a98d32403f44ef6145dac57817f0866dd2335fab341e5e8651 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c548ce6730f175bbbe0946597db04c830e8feead3e68c53e8743dbde28ca11df [INFO] running `Command { std: "docker" "start" "-a" "c548ce6730f175bbbe0946597db04c830e8feead3e68c53e8743dbde28ca11df", kill_on_drop: false }` [INFO] [stderr] warning: field `file` is never read [INFO] [stderr] --> src/read_file.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct DirElement { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 8 | pub name: String, [INFO] [stderr] 9 | pub file: Option, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `DirElement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `name` and `dir` are never read [INFO] [stderr] --> src/read_file.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 13 | pub struct Directory { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 14 | pub name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] 15 | pub dir: Option, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Directory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `learning_rust` (bin "learning_rust" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-56c97e4b49549df1) [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" "c548ce6730f175bbbe0946597db04c830e8feead3e68c53e8743dbde28ca11df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c548ce6730f175bbbe0946597db04c830e8feead3e68c53e8743dbde28ca11df", kill_on_drop: false }` [INFO] [stdout] c548ce6730f175bbbe0946597db04c830e8feead3e68c53e8743dbde28ca11df