[INFO] fetching crate topiary-tree-sitter-facade 0.7.0...
[INFO] checking topiary-tree-sitter-facade-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate topiary-tree-sitter-facade 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate topiary-tree-sitter-facade 0.7.0
[INFO] finished tweaking crates.io crate topiary-tree-sitter-facade 0.7.0
[INFO] tweaked toml for crates.io crate topiary-tree-sitter-facade 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate topiary-tree-sitter-facade 0.7.0 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 topiary-tree-sitter-facade 0.7.0 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-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] d3fd76e3ba7a7c5b8988b85cfcd0a9da949c789875e7b7c79040bab6926aa863
[INFO] running `Command { std: "docker" "start" "-a" "d3fd76e3ba7a7c5b8988b85cfcd0a9da949c789875e7b7c79040bab6926aa863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3fd76e3ba7a7c5b8988b85cfcd0a9da949c789875e7b7c79040bab6926aa863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fd76e3ba7a7c5b8988b85cfcd0a9da949c789875e7b7c79040bab6926aa863", kill_on_drop: false }`
[INFO] [stdout] d3fd76e3ba7a7c5b8988b85cfcd0a9da949c789875e7b7c79040bab6926aa863
[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] 67b636cb0efb841e7360948c8f62553f5e38b0f2038ee000d4207b2ad0f5feef
[INFO] running `Command { std: "docker" "start" "-a" "67b636cb0efb841e7360948c8f62553f5e38b0f2038ee000d4207b2ad0f5feef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling cc v1.2.43
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking tree-sitter-language v0.1.5
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling tree-sitter v0.25.10
[INFO] [stderr]     Checking topiary-tree-sitter-facade v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `topiary-tree-sitter-facade` (lib test) due to 10 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<parser::native::Parser, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |           pub fn new() -> Result<Self, ParserError> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 23 | |             let inner = tree_sitter::Parser::new();
[INFO] [stdout] 24 | |             Ok(Self { inner })
[INFO] [stdout] 25 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<parser::native::Parser, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Ok(Self { inner })
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |           ) -> Result<Option<Tree>, ParserError> {
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 53 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] 54 | |             Ok(self.inner.parse(text, old_tree).map(Into::into))
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Ok(self.inner.parse(text, old_tree).map(Into::into))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 |           ) -> Result<Option<Tree>, ParserError> {
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 63 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] 64 | |             Ok(self.inner.parse_utf16_le(text, old_tree).map(Into::into))
[INFO] [stdout] 65 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Ok(self.inner.parse_utf16_le(text, old_tree).map(Into::into))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         {
[INFO] [stdout] 76 | |             let mut callback =
[INFO] [stdout] 77 | |                 |offset, inner| callback(u32::try_from(offset).unwrap(), Point { inner });
[INFO] [stdout] 78 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |                 .map(Into::into))
[INFO] [stdout] 83 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             Ok(self
[INFO] [stdout] 80 | |                 .inner
[INFO] [stdout] 81 | |                 .parse_utf16_le_with_options(&mut callback, old_tree, None)
[INFO] [stdout] 82 | |                 .map(Into::into))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]    --> src/parser.rs:93:9
[INFO] [stdout]     |
[INFO] [stdout]  93 | /         {
[INFO] [stdout]  94 | |             let mut callback =
[INFO] [stdout]  95 | |                 |offset, inner| callback(u32::try_from(offset).unwrap(), Point { inner });
[INFO] [stdout]  96 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 .map(Into::into))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]    --> src/parser.rs:97:13
[INFO] [stdout]     |
[INFO] [stdout]  97 | /             Ok(self
[INFO] [stdout]  98 | |                 .inner
[INFO] [stdout]  99 | |                 .parse_with_options(&mut callback, old_tree, None)
[INFO] [stdout] 100 | |                 .map(Into::into))
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<parser::native::Parser, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |           pub fn new() -> Result<Self, ParserError> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 23 | |             let inner = tree_sitter::Parser::new();
[INFO] [stdout] 24 | |             Ok(Self { inner })
[INFO] [stdout] 25 | |         }
[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<parser::native::Parser, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Ok(Self { inner })
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |           ) -> Result<Option<Tree>, ParserError> {
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 53 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] 54 | |             Ok(self.inner.parse(text, old_tree).map(Into::into))
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Ok(self.inner.parse(text, old_tree).map(Into::into))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 |           ) -> Result<Option<Tree>, ParserError> {
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 63 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] 64 | |             Ok(self.inner.parse_utf16_le(text, old_tree).map(Into::into))
[INFO] [stdout] 65 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Ok(self.inner.parse_utf16_le(text, old_tree).map(Into::into))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         {
[INFO] [stdout] 76 | |             let mut callback =
[INFO] [stdout] 77 | |                 |offset, inner| callback(u32::try_from(offset).unwrap(), Point { inner });
[INFO] [stdout] 78 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |                 .map(Into::into))
[INFO] [stdout] 83 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]   --> src/parser.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             Ok(self
[INFO] [stdout] 80 | |                 .inner
[INFO] [stdout] 81 | |                 .parse_utf16_le_with_options(&mut callback, old_tree, None)
[INFO] [stdout] 82 | |                 .map(Into::into))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]    --> src/parser.rs:93:9
[INFO] [stdout]     |
[INFO] [stdout]  93 | /         {
[INFO] [stdout]  94 | |             let mut callback =
[INFO] [stdout]  95 | |                 |offset, inner| callback(u32::try_from(offset).unwrap(), Point { inner });
[INFO] [stdout]  96 | |             let old_tree = old_tree.map(|tree| &tree.inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 .map(Into::into))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<tree::native::Tree>, error::native::ParserError>
[INFO] [stdout]    --> src/parser.rs:97:13
[INFO] [stdout]     |
[INFO] [stdout]  97 | /             Ok(self
[INFO] [stdout]  98 | |                 .inner
[INFO] [stdout]  99 | |                 .parse_with_options(&mut callback, old_tree, None)
[INFO] [stdout] 100 | |                 .map(Into::into))
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `topiary-tree-sitter-facade` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "67b636cb0efb841e7360948c8f62553f5e38b0f2038ee000d4207b2ad0f5feef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b636cb0efb841e7360948c8f62553f5e38b0f2038ee000d4207b2ad0f5feef", kill_on_drop: false }`
[INFO] [stdout] 67b636cb0efb841e7360948c8f62553f5e38b0f2038ee000d4207b2ad0f5feef
