[INFO] fetching crate synonym 0.1.6... [INFO] checking synonym-0.1.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate synonym 0.1.6 into /workspace/builds/worker-0-tc2/source [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate synonym 0.1.6 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate synonym 0.1.6 [INFO] tweaked toml for crates.io crate synonym 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate synonym 0.1.6 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 33 packages to latest compatible versions [INFO] [stderr] Adding darling v0.20.11 (available: v0.21.3) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4bbe82159b9133b05ffcf752be39c3107cdebe7b10b3e37737eac954f3d75ec [INFO] running `Command { std: "docker" "start" "-a" "b4bbe82159b9133b05ffcf752be39c3107cdebe7b10b3e37737eac954f3d75ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4bbe82159b9133b05ffcf752be39c3107cdebe7b10b3e37737eac954f3d75ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4bbe82159b9133b05ffcf752be39c3107cdebe7b10b3e37737eac954f3d75ec", kill_on_drop: false }` [INFO] [stdout] b4bbe82159b9133b05ffcf752be39c3107cdebe7b10b3e37737eac954f3d75ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 62a4fe419460713b9ff871feee05ceb12316f5bb9a354a97b53edfba36e95951 [INFO] running `Command { std: "docker" "start" "-a" "62a4fe419460713b9ff871feee05ceb12316f5bb9a354a97b53edfba36e95951", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking darling_core v0.20.11 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Checking darling v0.20.11 [INFO] [stderr] Checking synonym v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | s.parse().unwrap() [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/attrs.rs:78:53 [INFO] [stdout] | [INFO] [stdout] 78 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 79 | | match s.to_lowercase().as_str() { [INFO] [stdout] 80 | | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] 81 | | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / match s.to_lowercase().as_str() { [INFO] [stdout] 80 | | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] 81 | | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] 82 | | "uppercase" => Ok(DisplayKind::UpperCase), [INFO] [stdout] ... | [INFO] [stdout] 86 | | _ => Ok(DisplayKind::Custom(s.to_string())), [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:81:30 [INFO] [stdout] | [INFO] [stdout] 81 | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:82:28 [INFO] [stdout] | [INFO] [stdout] 82 | "uppercase" => Ok(DisplayKind::UpperCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:83:28 [INFO] [stdout] | [INFO] [stdout] 83 | "lowercase" => Ok(DisplayKind::LowerCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:84:54 [INFO] [stdout] | [INFO] [stdout] 84 | "opaquelowercase" | "lowercaseopaque" => Ok(DisplayKind::OpaqueLowerCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:85:54 [INFO] [stdout] | [INFO] [stdout] 85 | "opaqueuppercase" | "uppercaseopaque" => Ok(DisplayKind::OpaqueUpperCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | _ => Ok(DisplayKind::Custom(s.to_string())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `synonym` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | s.parse().unwrap() [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/attrs.rs:78:53 [INFO] [stdout] | [INFO] [stdout] 78 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 79 | | match s.to_lowercase().as_str() { [INFO] [stdout] 80 | | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] 81 | | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / match s.to_lowercase().as_str() { [INFO] [stdout] 80 | | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] 81 | | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] 82 | | "uppercase" => Ok(DisplayKind::UpperCase), [INFO] [stdout] ... | [INFO] [stdout] 86 | | _ => Ok(DisplayKind::Custom(s.to_string())), [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | "opaque" => Ok(DisplayKind::Opaque), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:81:30 [INFO] [stdout] | [INFO] [stdout] 81 | "transparent" => Ok(DisplayKind::Transparent), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:82:28 [INFO] [stdout] | [INFO] [stdout] 82 | "uppercase" => Ok(DisplayKind::UpperCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:83:28 [INFO] [stdout] | [INFO] [stdout] 83 | "lowercase" => Ok(DisplayKind::LowerCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:84:54 [INFO] [stdout] | [INFO] [stdout] 84 | "opaquelowercase" | "lowercaseopaque" => Ok(DisplayKind::OpaqueLowerCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:85:54 [INFO] [stdout] | [INFO] [stdout] 85 | "opaqueuppercase" | "uppercaseopaque" => Ok(DisplayKind::OpaqueUpperCase), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/attrs.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | _ => Ok(DisplayKind::Custom(s.to_string())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `synonym` (lib) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "62a4fe419460713b9ff871feee05ceb12316f5bb9a354a97b53edfba36e95951", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62a4fe419460713b9ff871feee05ceb12316f5bb9a354a97b53edfba36e95951", kill_on_drop: false }` [INFO] [stdout] 62a4fe419460713b9ff871feee05ceb12316f5bb9a354a97b53edfba36e95951