[INFO] fetching crate protobuf3 2.27.2...
[INFO] checking protobuf3-2.27.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate protobuf3 2.27.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate protobuf3 2.27.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf3 2.27.2
[INFO] finished tweaking crates.io crate protobuf3 2.27.2
[INFO] tweaked toml for crates.io crate protobuf3 2.27.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2208011e460e98cf646626f8bb28957f3339a078f8f8a569695282de450304d4
[INFO] running `Command { std: "docker" "start" "-a" "2208011e460e98cf646626f8bb28957f3339a078f8f8a569695282de450304d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2208011e460e98cf646626f8bb28957f3339a078f8f8a569695282de450304d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2208011e460e98cf646626f8bb28957f3339a078f8f8a569695282de450304d4", kill_on_drop: false }`
[INFO] [stdout] 2208011e460e98cf646626f8bb28957f3339a078f8f8a569695282de450304d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03e22aadcfaddbdf8598611ea58d72d6b0214095105a33c2da1b442658497b09
[INFO] running `Command { std: "docker" "start" "-a" "03e22aadcfaddbdf8598611ea58d72d6b0214095105a33c2da1b442658497b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf3 v2.27.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../../protobuf-test-common/src/hex.rs: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | mod hex;
[INFO] [stdout]     | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf3` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/text_format/mod.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |             '0'..='9' => (f as u8 - b'0'),
[INFO] [stdout]    |                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -             '0'..='9' => (f as u8 - b'0'),
[INFO] [stdout] 54 +             '0'..='9' => f as u8 - b'0',
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/well_known_types/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::any::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^ the name `file_descriptor_proto` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 26 | pub use self::wrappers::*;
[INFO] [stdout]    |         ----------------- but the name `file_descriptor_proto` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/coded_output_stream.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Write(&'a mut dyn Write, Vec<u8>),
[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] 69 |     Write(&'a mut dyn Write, ()),
[INFO] [stdout]    |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetRepeatedMessage` is never used
[INFO] [stdout]   --> src/reflect/acc/v1.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait GetRepeatedMessage<M>: Sync {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetRepeatedEnum` is never used
[INFO] [stdout]   --> src/reflect/acc/v1.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | trait GetRepeatedEnum<M: Message + 'static>: Sync {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/reflect/acc/v1.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |     String(for<'a> fn(&'a M) -> &'a str, fn(&mut M, String)),
[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] 104 |     String(for<'a> fn(&'a M) -> &'a str, ()),
[INFO] [stdout]     |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/reflect/acc/v1.rs:105:42
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Bytes(for<'a> fn(&'a M) -> &'a [u8], fn(&mut M, Vec<u8>)),
[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] 105 |     Bytes(for<'a> fn(&'a M) -> &'a [u8], ()),
[INFO] [stdout]     |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mut_field` is never used
[INFO] [stdout]    --> src/reflect/acc/v1.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub(crate) trait FieldAccessor2<M, R: ?Sized>: Sync
[INFO] [stdout]     |                  -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn mut_field<'a>(&self, _: &'a mut M) -> &'a mut R;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mut_field` is never read
[INFO] [stdout]    --> src/reflect/acc/v1.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | struct MessageGetMut<M, L>
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     mut_field: for<'a> fn(&'a mut M) -> &'a mut L,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_value` is never used
[INFO] [stdout]  --> src/reflect/optional.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ReflectOptional: 'static {
[INFO] [stdout]   |           --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn set_value(&mut self, value: &dyn ProtobufValue);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/buf_read_iter.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Slice(&'a [u8]),
[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] 37 |     Slice(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03e22aadcfaddbdf8598611ea58d72d6b0214095105a33c2da1b442658497b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e22aadcfaddbdf8598611ea58d72d6b0214095105a33c2da1b442658497b09", kill_on_drop: false }`
[INFO] [stdout] 03e22aadcfaddbdf8598611ea58d72d6b0214095105a33c2da1b442658497b09
