[INFO] fetching crate structural-convert 0.13.0... [INFO] checking structural-convert-0.13.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate structural-convert 0.13.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate structural-convert 0.13.0 [INFO] finished tweaking crates.io crate structural-convert 0.13.0 [INFO] tweaked toml for crates.io crate structural-convert 0.13.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate structural-convert 0.13.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 11 packages to latest compatible versions [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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a30a47d26428c70fddd854840649c7de6ba42dfd570c6703b9e2abf4e5ac5e8b [INFO] running `Command { std: "docker" "start" "-a" "a30a47d26428c70fddd854840649c7de6ba42dfd570c6703b9e2abf4e5ac5e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a30a47d26428c70fddd854840649c7de6ba42dfd570c6703b9e2abf4e5ac5e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a30a47d26428c70fddd854840649c7de6ba42dfd570c6703b9e2abf4e5ac5e8b", kill_on_drop: false }` [INFO] [stdout] a30a47d26428c70fddd854840649c7de6ba42dfd570c6703b9e2abf4e5ac5e8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9908da2017b13466e6d2d4cc1881799b0286f4b742d3f652e9ff5ff235cfbe73 [INFO] running `Command { std: "docker" "start" "-a" "9908da2017b13466e6d2d4cc1881799b0286f4b742d3f652e9ff5ff235cfbe73", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling structural-convert-derive v0.3.0 [INFO] [stderr] Checking structural-convert v0.13.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_as.rs:23:32 [INFO] [stdout] | [INFO] [stdout] 23 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_as.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 30 | #[derive(Debug, PartialEq, Eq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_as.rs:56:32 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> tests/try_into_struct_as.rs:56:32 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_as.rs:56:32 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `structural-convert` (test "try_from_struct") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `structural-convert` (test "try_into_struct_as") due to 5 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_as.rs:35:36 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, PartialEq, Eq, StructuralConvert, Default)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_enum.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_enum.rs:24:32 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_enum.rs:24:32 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_enum.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_enum.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `structural-convert` (test "try_from_struct_as") due to 1 previous error [INFO] [stderr] error: could not compile `structural-convert` (test "try_into_enum") due to 5 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_enum_option.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_enum_option.rs:16:32 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_enum_option.rs:35:32 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `structural-convert` (test "try_from_enum_option") due to 3 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_option.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_option.rs:11:32 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_into_struct_option.rs:23:32 [INFO] [stdout] | [INFO] [stdout] 23 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_default.rs:11:32 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_default.rs:11:32 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `structural-convert` (test "try_into_struct_option") due to 3 previous errors [INFO] [stderr] error: could not compile `structural-convert` (test "try_from_struct_default") due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_skip.rs:8:32 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_skip.rs:8:32 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_skip.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/try_from_struct_skip.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | #[derive(Debug, PartialEq, StructuralConvert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `StructuralConvert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `structural-convert` (test "try_from_struct_skip") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "9908da2017b13466e6d2d4cc1881799b0286f4b742d3f652e9ff5ff235cfbe73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9908da2017b13466e6d2d4cc1881799b0286f4b742d3f652e9ff5ff235cfbe73", kill_on_drop: false }` [INFO] [stdout] 9908da2017b13466e6d2d4cc1881799b0286f4b742d3f652e9ff5ff235cfbe73