[INFO] cloning repository https://github.com/onepointconsulting/rust-splitter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onepointconsulting/rust-splitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonepointconsulting%2Frust-splitter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonepointconsulting%2Frust-splitter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17bd185fdab24c07acb0e65b90e03444da0ee646 [INFO] checking onepointconsulting/rust-splitter against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonepointconsulting%2Frust-splitter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/onepointconsulting/rust-splitter [INFO] finished tweaking git repo https://github.com/onepointconsulting/rust-splitter [INFO] tweaked toml for git repo https://github.com/onepointconsulting/rust-splitter written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/onepointconsulting/rust-splitter on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/onepointconsulting/rust-splitter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.5.3 [INFO] [stderr] Adding bit-vec v0.6.3 [INFO] [stderr] Adding fancy-regex v0.10.0 (available: v0.16.2) [INFO] [stderr] Adding substring v1.4.5 [INFO] [stderr] Adding utf8-read v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a8345f8f7c133b7423cc43a939d3cf26911538f58bb2d8d24763ff81b0a8650 [INFO] running `Command { std: "docker" "start" "-a" "1a8345f8f7c133b7423cc43a939d3cf26911538f58bb2d8d24763ff81b0a8650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a8345f8f7c133b7423cc43a939d3cf26911538f58bb2d8d24763ff81b0a8650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a8345f8f7c133b7423cc43a939d3cf26911538f58bb2d8d24763ff81b0a8650", kill_on_drop: false }` [INFO] [stdout] 1a8345f8f7c133b7423cc43a939d3cf26911538f58bb2d8d24763ff81b0a8650 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7c68b2e164b685e4d18fb1cf15e71ae60a683cab4ab7c8cdfb8b22098c52467 [INFO] running `Command { std: "docker" "start" "-a" "f7c68b2e164b685e4d18fb1cf15e71ae60a683cab4ab7c8cdfb8b22098c52467", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking utf8-read v0.4.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking fancy-regex v0.10.0 [INFO] [stderr] Compiling clap_derive v3.2.17 [INFO] [stderr] Checking clap v3.2.17 [INFO] [stderr] Checking splitter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `substring::Substring` [INFO] [stdout] --> src/split_data.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use substring::Substring; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/process_chunks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | if (split_rest.len() > 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 72 - if (split_rest.len() > 0) { [INFO] [stdout] 72 + if split_rest.len() > 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `substring::Substring` [INFO] [stdout] --> src/split_data.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use substring::Substring; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/process_chunks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | if (split_rest.len() > 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 72 - if (split_rest.len() > 0) { [INFO] [stdout] 72 + if split_rest.len() > 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/split_data.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | for b in s.bytes() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | file.borrow().write_all(content.as_bytes()); [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] 116 | let _ = file.borrow().write_all(content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | file.borrow().write_all(content.as_bytes()); [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] 127 | let _ = file.borrow().write_all(content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) pattern: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) target_dir: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) record_regex: Option [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/process_chunks.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 37 | fn string_iter(reader: Reader<&File>) -> StringContainer { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | fn string_iter(reader: Reader<&File>) -> StringContainer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `splitter` (bin "splitter") due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/split_data.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | for b in s.bytes() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | file.borrow().write_all(content.as_bytes()); [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] 116 | let _ = file.borrow().write_all(content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | file.borrow().write_all(content.as_bytes()); [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] 127 | let _ = file.borrow().write_all(content.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) pattern: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) target_dir: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) record_regex: Option [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/process_chunks.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 37 | fn string_iter(reader: Reader<&File>) -> StringContainer { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | fn string_iter(reader: Reader<&File>) -> StringContainer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `splitter` (bin "splitter" test) due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f7c68b2e164b685e4d18fb1cf15e71ae60a683cab4ab7c8cdfb8b22098c52467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c68b2e164b685e4d18fb1cf15e71ae60a683cab4ab7c8cdfb8b22098c52467", kill_on_drop: false }` [INFO] [stdout] f7c68b2e164b685e4d18fb1cf15e71ae60a683cab4ab7c8cdfb8b22098c52467