[INFO] fetching crate mantra-lang-tracing 0.7.0... [INFO] checking mantra-lang-tracing-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mantra-lang-tracing 0.7.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mantra-lang-tracing 0.7.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mantra-lang-tracing 0.7.0 [INFO] tweaked toml for crates.io crate mantra-lang-tracing 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mantra-lang-tracing 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] [stderr] Adding tree-sitter v0.22.6 (available: v0.25.10) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 384fba1e79fb2cd6f8c7a734540b4be3b75f843a9032cfd89a6d307436685a23 [INFO] running `Command { std: "docker" "start" "-a" "384fba1e79fb2cd6f8c7a734540b4be3b75f843a9032cfd89a6d307436685a23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "384fba1e79fb2cd6f8c7a734540b4be3b75f843a9032cfd89a6d307436685a23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384fba1e79fb2cd6f8c7a734540b4be3b75f843a9032cfd89a6d307436685a23", kill_on_drop: false }` [INFO] [stdout] 384fba1e79fb2cd6f8c7a734540b4be3b75f843a9032cfd89a6d307436685a23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4d24994fa8211b73c72edd0e622895c75f86fab0c9d967dafcaee60f6b8434f9 [INFO] running `Command { std: "docker" "start" "-a" "4d24994fa8211b73c72edd0e622895c75f86fab0c9d967dafcaee60f6b8434f9", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling time-macros v0.2.24 [INFO] [stderr] Compiling deranged v0.5.5 [INFO] [stderr] Compiling tree-sitter v0.22.6 [INFO] [stderr] Compiling path-slash v0.2.1 [INFO] [stderr] Checking fluent-uri v0.1.4 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde_repr v0.1.20 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking time v0.3.44 [INFO] [stderr] Checking schemars v0.8.22 [INFO] [stderr] Checking lsp-types v0.97.0 [INFO] [stderr] Checking mantra-schema v0.7.0 [INFO] [stderr] Compiling mantra-lang-tracing v0.7.0 [INFO] [stderr] Compiling mantra-rust-procm v0.7.0 [INFO] [stderr] Checking mantra-rust-macros v0.7.0 [INFO] [stderr] Checking mantra-lang-tracing v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `path_slash::PathBufExt` [INFO] [stdout] --> src/path.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use path_slash::PathBufExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `path_slash::PathBufExt` [INFO] [stdout] --> src/path.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use path_slash::PathBufExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/path.rs:40:53 [INFO] [stdout] | [INFO] [stdout] 40 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 41 | | Ok(Self(PathBuf::from(s))) [INFO] [stdout] 42 | | } [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/path.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(Self(PathBuf::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/path.rs:126:26 [INFO] [stdout] | [INFO] [stdout] 126 | let slash_path = SlashPathBuf::from_str(path).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mantra-lang-tracing` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mantra-lang-tracing` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/path.rs:40:53 [INFO] [stdout] | [INFO] [stdout] 40 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 41 | | Ok(Self(PathBuf::from(s))) [INFO] [stdout] 42 | | } [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/path.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(Self(PathBuf::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d24994fa8211b73c72edd0e622895c75f86fab0c9d967dafcaee60f6b8434f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d24994fa8211b73c72edd0e622895c75f86fab0c9d967dafcaee60f6b8434f9", kill_on_drop: false }` [INFO] [stdout] 4d24994fa8211b73c72edd0e622895c75f86fab0c9d967dafcaee60f6b8434f9