[INFO] fetching crate anne 0.1.0...
[INFO] testing anne-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate anne 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate anne 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[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: v0.8.34)
[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 gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[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: v0.3.36)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding zip v0.2.8 (latest: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded msdos_time v0.1.6
[INFO] [stderr]   Downloaded quick-xml v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 196735d7ee68c05fb5c4f700a219a83da9472c225461dc9416e709ce6383e7fc
[INFO] running `Command { std: "docker" "start" "-a" "196735d7ee68c05fb5c4f700a219a83da9472c225461dc9416e709ce6383e7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "196735d7ee68c05fb5c4f700a219a83da9472c225461dc9416e709ce6383e7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196735d7ee68c05fb5c4f700a219a83da9472c225461dc9416e709ce6383e7fc", kill_on_drop: false }`
[INFO] [stdout] 196735d7ee68c05fb5c4f700a219a83da9472c225461dc9416e709ce6383e7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da38308932e15c74fe26eb202f0b39f48419363637168a3926d1284e872299f
[INFO] running `Command { std: "docker" "start" "-a" "8da38308932e15c74fe26eb202f0b39f48419363637168a3926d1284e872299f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling quick-xml v0.10.1
[INFO] [stderr]    Compiling 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: 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: 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<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 23 |     pub contributor: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub publisher: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub subject: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 26 |     pub description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub date: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub type_tag: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub format: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub relation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub coverage: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 33 |     pub rights: Option<String>,
[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: 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" "8da38308932e15c74fe26eb202f0b39f48419363637168a3926d1284e872299f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da38308932e15c74fe26eb202f0b39f48419363637168a3926d1284e872299f", kill_on_drop: false }`
[INFO] [stdout] 8da38308932e15c74fe26eb202f0b39f48419363637168a3926d1284e872299f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b34c39e949e52256534dac21fcb78344238e50b166f12eef75f7206f091663
[INFO] running `Command { std: "docker" "start" "-a" "99b34c39e949e52256534dac21fcb78344238e50b166f12eef75f7206f091663", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 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<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 23 |     pub contributor: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub publisher: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub subject: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 26 |     pub description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub date: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub type_tag: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub format: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub relation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub coverage: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 33 |     pub rights: Option<String>,
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "99b34c39e949e52256534dac21fcb78344238e50b166f12eef75f7206f091663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b34c39e949e52256534dac21fcb78344238e50b166f12eef75f7206f091663", kill_on_drop: false }`
[INFO] [stdout] 99b34c39e949e52256534dac21fcb78344238e50b166f12eef75f7206f091663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e907115730c734ba2b3d673ab1537dbd33de8d091d127239b843c8cd4510cb13
[INFO] running `Command { std: "docker" "start" "-a" "e907115730c734ba2b3d673ab1537dbd33de8d091d127239b843c8cd4510cb13", kill_on_drop: false }`
[INFO] [stderr] 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] [stderr]   --> src/main.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |     if let Some(home_dir) = env::home_dir() {
[INFO] [stderr]    |                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/filetypes.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Comic(ComicCompression),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Comic(()),
[INFO] [stderr]    |           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `path`, `ft`, and `meta` are never read
[INFO] [stderr]   --> src/book.rs:9:6
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Book<'a> {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 9  |     pub path: &'a Path,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 10 |     pub ft: Filetype,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 11 |     pub meta: Metadata,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/book.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Metadata {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub title: String,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 20 |     pub language: String,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 21 |     pub identifier: String,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 22 |     pub creator: Option<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 23 |     pub contributor: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 24 |     pub publisher: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 25 |     pub subject: Option<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 26 |     pub description: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 27 |     pub date: Option<String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 28 |     pub type_tag: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 29 |     pub format: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 30 |     pub source: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 31 |     pub relation: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 32 |     pub coverage: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 33 |     pub rights: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Metadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     IOError(IOError),
[INFO] [stderr]    |     ------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 |     IOError(()),
[INFO] [stderr]    |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ZipError(ZipError),
[INFO] [stderr]    |     -------- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ZipError(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |     XmlError(XmlError),
[INFO] [stderr]    |     -------- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 42 |     XmlError(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `anne` (bin "anne" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/anne-0b6ce922726166a0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e907115730c734ba2b3d673ab1537dbd33de8d091d127239b843c8cd4510cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e907115730c734ba2b3d673ab1537dbd33de8d091d127239b843c8cd4510cb13", kill_on_drop: false }`
[INFO] [stdout] e907115730c734ba2b3d673ab1537dbd33de8d091d127239b843c8cd4510cb13
[INFO] testing anne-0.1.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate anne 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate anne 0.1.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[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: v0.8.34)
[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 gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[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: v0.3.36)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding zip v0.2.8 (latest: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b24b6689243f7c3a84e4027ee73de35a0014f80a5e1905419db4e60db6d5b36
[INFO] running `Command { std: "docker" "start" "-a" "8b24b6689243f7c3a84e4027ee73de35a0014f80a5e1905419db4e60db6d5b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b24b6689243f7c3a84e4027ee73de35a0014f80a5e1905419db4e60db6d5b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b24b6689243f7c3a84e4027ee73de35a0014f80a5e1905419db4e60db6d5b36", kill_on_drop: false }`
[INFO] [stdout] 8b24b6689243f7c3a84e4027ee73de35a0014f80a5e1905419db4e60db6d5b36
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aec2baa1256041e41ab8f75a9a1f7f7e749c112528afdb811381f0d41480c1c
[INFO] running `Command { std: "docker" "start" "-a" "7aec2baa1256041e41ab8f75a9a1f7f7e749c112528afdb811381f0d41480c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling quick-xml v0.10.1
[INFO] [stderr]    Compiling 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: 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: 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<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 23 |     pub contributor: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub publisher: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub subject: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 26 |     pub description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub date: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub type_tag: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub format: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub relation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub coverage: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 33 |     pub rights: Option<String>,
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `Command { std: "docker" "inspect" "7aec2baa1256041e41ab8f75a9a1f7f7e749c112528afdb811381f0d41480c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aec2baa1256041e41ab8f75a9a1f7f7e749c112528afdb811381f0d41480c1c", kill_on_drop: false }`
[INFO] [stdout] 7aec2baa1256041e41ab8f75a9a1f7f7e749c112528afdb811381f0d41480c1c
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b38c3ca399a22d266325b0e2576db1e560e080c6b11ce0ddc0ed6ded9d77f83
[INFO] running `Command { std: "docker" "start" "-a" "1b38c3ca399a22d266325b0e2576db1e560e080c6b11ce0ddc0ed6ded9d77f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 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<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 23 |     pub contributor: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub publisher: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub subject: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 26 |     pub description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub date: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub type_tag: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub format: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub relation: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub coverage: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 33 |     pub rights: Option<String>,
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "1b38c3ca399a22d266325b0e2576db1e560e080c6b11ce0ddc0ed6ded9d77f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b38c3ca399a22d266325b0e2576db1e560e080c6b11ce0ddc0ed6ded9d77f83", kill_on_drop: false }`
[INFO] [stdout] 1b38c3ca399a22d266325b0e2576db1e560e080c6b11ce0ddc0ed6ded9d77f83
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d07492e8c8321ba11188bcff7ae28a34cb7e8b97856bb2d1558f394ba9880b1a
[INFO] running `Command { std: "docker" "start" "-a" "d07492e8c8321ba11188bcff7ae28a34cb7e8b97856bb2d1558f394ba9880b1a", kill_on_drop: false }`
[INFO] [stderr] 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] [stderr]   --> src/main.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |     if let Some(home_dir) = env::home_dir() {
[INFO] [stderr]    |                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/filetypes.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Comic(ComicCompression),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Comic(()),
[INFO] [stderr]    |           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `path`, `ft`, and `meta` are never read
[INFO] [stderr]   --> src/book.rs:9:6
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Book<'a> {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 9  |     pub path: &'a Path,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 10 |     pub ft: Filetype,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 11 |     pub meta: Metadata,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/book.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Metadata {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub title: String,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 20 |     pub language: String,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 21 |     pub identifier: String,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 22 |     pub creator: Option<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 23 |     pub contributor: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 24 |     pub publisher: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 25 |     pub subject: Option<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 26 |     pub description: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 27 |     pub date: Option<String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 28 |     pub type_tag: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 29 |     pub format: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 30 |     pub source: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 31 |     pub relation: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 32 |     pub coverage: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 33 |     pub rights: Option<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Metadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     IOError(IOError),
[INFO] [stderr]    |     ------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 |     IOError(()),
[INFO] [stderr]    |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ZipError(ZipError),
[INFO] [stderr]    |     -------- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ZipError(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/book.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |     XmlError(XmlError),
[INFO] [stderr]    |     -------- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 42 |     XmlError(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `anne` (bin "anne" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/anne-0b6ce922726166a0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d07492e8c8321ba11188bcff7ae28a34cb7e8b97856bb2d1558f394ba9880b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07492e8c8321ba11188bcff7ae28a34cb7e8b97856bb2d1558f394ba9880b1a", kill_on_drop: false }`
[INFO] [stdout] d07492e8c8321ba11188bcff7ae28a34cb7e8b97856bb2d1558f394ba9880b1a
