[INFO] fetching crate anne 0.1.0... [INFO] checking anne-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate anne 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate anne 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate anne 0.1.0 [INFO] finished tweaking crates.io crate anne 0.1.0 [INFO] tweaked toml for crates.io crate anne 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bzip2 v0.3.3 (latest: v0.4.4) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding encoding_rs v0.7.2 (latest: v0.8.33) [INFO] [stderr] Adding env_logger v0.4.3 (latest: v0.11.3) [INFO] [stderr] Adding error-chain v0.11.0 (latest: v0.12.4) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding podio v0.1.7 (latest: v0.2.0) [INFO] [stderr] Adding quick-xml v0.10.1 (latest: v0.31.0) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding zip v0.2.8 (latest: v0.6.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zip v0.2.8 [INFO] [stderr] Downloaded podio v0.1.7 [INFO] [stderr] Downloaded time v0.1.45 [INFO] [stderr] Downloaded bzip2 v0.3.3 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded msdos_time v0.1.6 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded ucd-util v0.1.10 [INFO] [stderr] Downloaded error-chain v0.11.0 [INFO] [stderr] Downloaded quick-xml v0.10.1 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Downloaded utf8-ranges v1.0.5 [INFO] [stderr] Downloaded env_logger v0.4.3 [INFO] [stderr] Downloaded encoding_rs v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 047b6aec5c9514c7d9d8ba84c3803a3ba1253855e23aaad5b6bdb760d731149a [INFO] running `Command { std: "docker" "start" "-a" "047b6aec5c9514c7d9d8ba84c3803a3ba1253855e23aaad5b6bdb760d731149a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "047b6aec5c9514c7d9d8ba84c3803a3ba1253855e23aaad5b6bdb760d731149a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "047b6aec5c9514c7d9d8ba84c3803a3ba1253855e23aaad5b6bdb760d731149a", kill_on_drop: false }` [INFO] [stdout] 047b6aec5c9514c7d9d8ba84c3803a3ba1253855e23aaad5b6bdb760d731149a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0712cd1c3e744b30d40c1e1ded3b54572d335c774910bcb92d908100a6757c34 [INFO] running `Command { std: "docker" "start" "-a" "0712cd1c3e744b30d40c1e1ded3b54572d335c774910bcb92d908100a6757c34", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Checking podio v0.1.7 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking msdos_time v0.1.6 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking quick-xml v0.10.1 [INFO] [stderr] Checking anne v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(home_dir) = env::home_dir() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(home_dir) = env::home_dir() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/filetypes.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | Comic(ComicCompression), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | Comic(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/filetypes.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | Comic(ComicCompression), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | Comic(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `ft`, and `meta` are never read [INFO] [stdout] --> src/book.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Book<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | pub path: &'a Path, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | pub ft: Filetype, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub meta: Metadata, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `ft`, and `meta` are never read [INFO] [stdout] --> src/book.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Book<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | pub path: &'a Path, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | pub ft: Filetype, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub meta: Metadata, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/book.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Metadata { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 20 | pub language: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | pub identifier: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 22 | pub creator: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 23 | pub contributor: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 24 | pub publisher: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 25 | pub subject: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 26 | pub description: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 27 | pub date: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | pub type_tag: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | pub format: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 30 | pub source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | pub relation: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 32 | pub coverage: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 33 | pub rights: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Metadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/book.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Metadata { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | pub title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 20 | pub language: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | pub identifier: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 22 | pub creator: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 23 | pub contributor: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 24 | pub publisher: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 25 | pub subject: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 26 | pub description: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 27 | pub date: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | pub type_tag: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | pub format: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 30 | pub source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | pub relation: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 32 | pub coverage: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 33 | pub rights: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Metadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | IOError(IOError), [INFO] [stdout] | ------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | ZipError(ZipError), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | ZipError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | XmlError(XmlError), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 42 | XmlError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | IOError(IOError), [INFO] [stdout] | ------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | ZipError(ZipError), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | ZipError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | XmlError(XmlError), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 42 | XmlError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s [INFO] running `Command { std: "docker" "inspect" "0712cd1c3e744b30d40c1e1ded3b54572d335c774910bcb92d908100a6757c34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0712cd1c3e744b30d40c1e1ded3b54572d335c774910bcb92d908100a6757c34", kill_on_drop: false }` [INFO] [stdout] 0712cd1c3e744b30d40c1e1ded3b54572d335c774910bcb92d908100a6757c34