[INFO] fetching crate protobuf-parse2 4.0.0-alpha.4...
[INFO] building protobuf-parse2-4.0.0-alpha.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate protobuf-parse2 4.0.0-alpha.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate protobuf-parse2 4.0.0-alpha.4
[INFO] finished tweaking crates.io crate protobuf-parse2 4.0.0-alpha.4
[INFO] tweaked toml for crates.io crate protobuf-parse2 4.0.0-alpha.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protobuf-parse2 4.0.0-alpha.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protobuf-parse2 4.0.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a53bc3c445bd083dcb85514447322a040cb990e54ec7c0e0af26ce1d3fdd9e
[INFO] running `Command { std: "docker" "start" "-a" "73a53bc3c445bd083dcb85514447322a040cb990e54ec7c0e0af26ce1d3fdd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a53bc3c445bd083dcb85514447322a040cb990e54ec7c0e0af26ce1d3fdd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a53bc3c445bd083dcb85514447322a040cb990e54ec7c0e0af26ce1d3fdd9e", kill_on_drop: false }`
[INFO] [stdout] 73a53bc3c445bd083dcb85514447322a040cb990e54ec7c0e0af26ce1d3fdd9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2360d76f9ffd998a95a1ae43561f4ba028328437729d4d585076e65f868d8e26
[INFO] running `Command { std: "docker" "start" "-a" "2360d76f9ffd998a95a1ae43561f4ba028328437729d4d585076e65f868d8e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling protobuf2 v4.0.0-alpha.2
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.12.2
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling protobuf-support2 v4.0.0-alpha.2
[INFO] [stderr]    Compiling protobuf-parse2 v4.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pure/convert/type_resolver.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum>> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum<'_>>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `by_name_bool` is never used
[INFO] [stdout]    --> src/pure/convert/option_resolver.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) trait ProtobufOptions {
[INFO] [stdout]     |                  --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn by_name_bool(&self, name: &str) -> anyhow::Result<Option<bool>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPath` is never constructed
[INFO] [stdout]  --> src/rel_path.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RelPath {
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPathBuf` is never constructed
[INFO] [stdout]   --> src/rel_path.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct RelPathBuf {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rel_path.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl RelPath {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 18 |     pub(crate) fn new(path: &Path) -> &RelPath {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotUtf8` is never constructed
[INFO] [stdout]   --> src/pure/parser.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) enum ParserError {
[INFO] [stdout]    |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     NotUtf8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToU8` is never used
[INFO] [stdout]    --> src/pure/parser.rs:115:7
[INFO] [stdout]     |
[INFO] [stdout] 115 | trait ToU8 {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToChar` is never used
[INFO] [stdout]    --> src/pure/parser.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait ToChar {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.57s
[INFO] running `Command { std: "docker" "inspect" "2360d76f9ffd998a95a1ae43561f4ba028328437729d4d585076e65f868d8e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2360d76f9ffd998a95a1ae43561f4ba028328437729d4d585076e65f868d8e26", kill_on_drop: false }`
[INFO] [stdout] 2360d76f9ffd998a95a1ae43561f4ba028328437729d4d585076e65f868d8e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7eb4d70f66195b15d7c7ad980b6b3727830ed1ff6e7f4baf01fe4bb275bbc14
[INFO] running `Command { std: "docker" "start" "-a" "e7eb4d70f66195b15d7c7ad980b6b3727830ed1ff6e7f4baf01fe4bb275bbc14", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pure/convert/type_resolver.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum>> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum<'_>>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `by_name_bool` is never used
[INFO] [stdout]    --> src/pure/convert/option_resolver.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) trait ProtobufOptions {
[INFO] [stdout]     |                  --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn by_name_bool(&self, name: &str) -> anyhow::Result<Option<bool>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPath` is never constructed
[INFO] [stdout]  --> src/rel_path.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RelPath {
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPathBuf` is never constructed
[INFO] [stdout]   --> src/rel_path.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct RelPathBuf {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rel_path.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl RelPath {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 18 |     pub(crate) fn new(path: &Path) -> &RelPath {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotUtf8` is never constructed
[INFO] [stdout]   --> src/pure/parser.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) enum ParserError {
[INFO] [stdout]    |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     NotUtf8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToU8` is never used
[INFO] [stdout]    --> src/pure/parser.rs:115:7
[INFO] [stdout]     |
[INFO] [stdout] 115 | trait ToU8 {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToChar` is never used
[INFO] [stdout]    --> src/pure/parser.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait ToChar {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling protobuf-parse2 v4.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `by_name_bool` is never used
[INFO] [stdout]    --> src/pure/convert/option_resolver.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub(crate) trait ProtobufOptions {
[INFO] [stdout]     |                  --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn by_name_bool(&self, name: &str) -> anyhow::Result<Option<bool>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotUtf8` is never constructed
[INFO] [stdout]   --> src/pure/parser.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) enum ParserError {
[INFO] [stdout]    |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     NotUtf8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToU8` is never used
[INFO] [stdout]    --> src/pure/parser.rs:115:7
[INFO] [stdout]     |
[INFO] [stdout] 115 | trait ToU8 {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToChar` is never used
[INFO] [stdout]    --> src/pure/parser.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait ToChar {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPath` is never constructed
[INFO] [stdout]  --> src/rel_path.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RelPath {
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RelPathBuf` is never constructed
[INFO] [stdout]   --> src/rel_path.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct RelPathBuf {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rel_path.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl RelPath {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 18 |     pub(crate) fn new(path: &Path) -> &RelPath {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pure/convert/type_resolver.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum>> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ) -> anyhow::Result<WithFullName<MessageOrEnum<'_>>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "e7eb4d70f66195b15d7c7ad980b6b3727830ed1ff6e7f4baf01fe4bb275bbc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7eb4d70f66195b15d7c7ad980b6b3727830ed1ff6e7f4baf01fe4bb275bbc14", kill_on_drop: false }`
[INFO] [stdout] e7eb4d70f66195b15d7c7ad980b6b3727830ed1ff6e7f4baf01fe4bb275bbc14
