[INFO] fetching crate topcat 0.1.0... [INFO] checking topcat-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate topcat 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate topcat 0.1.0 [INFO] finished tweaking crates.io crate topcat 0.1.0 [INFO] tweaked toml for crates.io crate topcat 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate topcat 0.1.0 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 crates.io crate topcat 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb97fb92bff645662b82151cee0da2766985b1962a8cd2133f0f54f435de5a57 [INFO] running `Command { std: "docker" "start" "-a" "eb97fb92bff645662b82151cee0da2766985b1962a8cd2133f0f54f435de5a57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb97fb92bff645662b82151cee0da2766985b1962a8cd2133f0f54f435de5a57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb97fb92bff645662b82151cee0da2766985b1962a8cd2133f0f54f435de5a57", kill_on_drop: false }` [INFO] [stdout] eb97fb92bff645662b82151cee0da2766985b1962a8cd2133f0f54f435de5a57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ade154005d7e66fea2762d636c2c354f94e3b041b88ab80cda24a97445536344 [INFO] running `Command { std: "docker" "start" "-a" "ade154005d7e66fea2762d636c2c354f94e3b041b88ab80cda24a97445536344", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking topcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `MockFileSystem` is never constructed [INFO] [stdout] --> src/fs.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct MockFileSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/fs.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl MockFileSystem { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 21 | pub fn new(files: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | / #[structopt( [INFO] [stdout] 27 | | short = "i", [INFO] [stdout] 28 | | long = "input_dir", [INFO] [stdout] 29 | | help = "Path to directory containing files to be concatenated", [INFO] [stdout] 30 | | value_name = "DIR" [INFO] [stdout] 31 | | )] [INFO] [stdout] 32 | | input_dirs: Vec, [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/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | / #[structopt( [INFO] [stdout] 35 | | short = "n", [INFO] [stdout] 36 | | long = "include", [INFO] [stdout] 37 | | help = "Only include files matching glob pattern", [INFO] [stdout] 38 | | value_name = "PATTERN" [INFO] [stdout] 39 | | )] [INFO] [stdout] 40 | | include_globs: Option>, [INFO] [stdout] | |______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / #[structopt( [INFO] [stdout] 43 | | short = "x", [INFO] [stdout] 44 | | long = "exclude", [INFO] [stdout] 45 | | help = "Exclude files matching given glob pattern", [INFO] [stdout] 46 | | value_name = "PATTERN" [INFO] [stdout] 47 | | )] [INFO] [stdout] 48 | | exclude_globs: Option>, [INFO] [stdout] | |______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / #[structopt( [INFO] [stdout] 51 | | short = "o", [INFO] [stdout] 52 | | long = "output", [INFO] [stdout] 53 | | help = "Path to generate combined output file", [INFO] [stdout] 54 | | value_name = "FILE" [INFO] [stdout] 55 | | )] [INFO] [stdout] 56 | | output: PathBuf, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt( [INFO] [stdout] 59 | | long = "comment-str", [INFO] [stdout] 60 | | help = "The string used to denote a comment. eg '--'", [INFO] [stdout] 61 | | default_value = "--" [INFO] [stdout] 62 | | )] [INFO] [stdout] 63 | | comment_str: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / #[structopt( [INFO] [stdout] 66 | | long = "file-separator-str", [INFO] [stdout] 67 | | help = "Add this between each concatenated file in the output. eg '---'", [INFO] [stdout] 68 | | default_value = "----------------------------------------------------------------------------------------------------------------... [INFO] [stdout] 69 | | )] [INFO] [stdout] 70 | | file_separator_str: String, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | / #[structopt( [INFO] [stdout] 73 | | long = "ensure-each-file-ends-with", [INFO] [stdout] 74 | | help = "Add this string to the end of files if it does not exist. eg ';'", [INFO] [stdout] 75 | | default_value = ";" [INFO] [stdout] 76 | | )] [INFO] [stdout] 77 | | ensure_each_file_ends_with_str: String, [INFO] [stdout] | |__________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/file_dag.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 206 | graph_type: TCGraphType, [INFO] [stdout] 207 | ) -> Result>, TopCatError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the same lifetime is hidden 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] 207 | ) -> Result>, TopCatError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `topcat` (bin "topcat") due to 7 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `MockFileSystem` is never constructed [INFO] [stdout] --> src/fs.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct MockFileSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/fs.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl MockFileSystem { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 21 | pub fn new(files: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | / #[structopt( [INFO] [stdout] 27 | | short = "i", [INFO] [stdout] 28 | | long = "input_dir", [INFO] [stdout] 29 | | help = "Path to directory containing files to be concatenated", [INFO] [stdout] 30 | | value_name = "DIR" [INFO] [stdout] 31 | | )] [INFO] [stdout] 32 | | input_dirs: Vec, [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/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | / #[structopt( [INFO] [stdout] 35 | | short = "n", [INFO] [stdout] 36 | | long = "include", [INFO] [stdout] 37 | | help = "Only include files matching glob pattern", [INFO] [stdout] 38 | | value_name = "PATTERN" [INFO] [stdout] 39 | | )] [INFO] [stdout] 40 | | include_globs: Option>, [INFO] [stdout] | |______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / #[structopt( [INFO] [stdout] 43 | | short = "x", [INFO] [stdout] 44 | | long = "exclude", [INFO] [stdout] 45 | | help = "Exclude files matching given glob pattern", [INFO] [stdout] 46 | | value_name = "PATTERN" [INFO] [stdout] 47 | | )] [INFO] [stdout] 48 | | exclude_globs: Option>, [INFO] [stdout] | |______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / #[structopt( [INFO] [stdout] 51 | | short = "o", [INFO] [stdout] 52 | | long = "output", [INFO] [stdout] 53 | | help = "Path to generate combined output file", [INFO] [stdout] 54 | | value_name = "FILE" [INFO] [stdout] 55 | | )] [INFO] [stdout] 56 | | output: PathBuf, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt( [INFO] [stdout] 59 | | long = "comment-str", [INFO] [stdout] 60 | | help = "The string used to denote a comment. eg '--'", [INFO] [stdout] 61 | | default_value = "--" [INFO] [stdout] 62 | | )] [INFO] [stdout] 63 | | comment_str: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / #[structopt( [INFO] [stdout] 66 | | long = "file-separator-str", [INFO] [stdout] 67 | | help = "Add this between each concatenated file in the output. eg '---'", [INFO] [stdout] 68 | | default_value = "----------------------------------------------------------------------------------------------------------------... [INFO] [stdout] 69 | | )] [INFO] [stdout] 70 | | file_separator_str: String, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | / #[structopt( [INFO] [stdout] 73 | | long = "ensure-each-file-ends-with", [INFO] [stdout] 74 | | help = "Add this string to the end of files if it does not exist. eg ';'", [INFO] [stdout] 75 | | default_value = ";" [INFO] [stdout] 76 | | )] [INFO] [stdout] 77 | | ensure_each_file_ends_with_str: String, [INFO] [stdout] | |__________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/file_dag.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 206 | graph_type: TCGraphType, [INFO] [stdout] 207 | ) -> Result>, TopCatError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the same lifetime is hidden 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] 207 | ) -> Result>, TopCatError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `topcat` (bin "topcat" test) due to 7 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ade154005d7e66fea2762d636c2c354f94e3b041b88ab80cda24a97445536344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ade154005d7e66fea2762d636c2c354f94e3b041b88ab80cda24a97445536344", kill_on_drop: false }` [INFO] [stdout] ade154005d7e66fea2762d636c2c354f94e3b041b88ab80cda24a97445536344