[INFO] fetching crate prost-serde-derive 0.1.5...
[INFO] checking prost-serde-derive-0.1.5 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate prost-serde-derive 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate prost-serde-derive 0.1.5 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-serde-derive 0.1.5
[INFO] finished tweaking crates.io crate prost-serde-derive 0.1.5
[INFO] tweaked toml for crates.io crate prost-serde-derive 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af1bb577cac27c9b3144d35cedac778c10f972d3d377f30e5074a6d118e72c01
[INFO] running `Command { std: "docker" "start" "-a" "af1bb577cac27c9b3144d35cedac778c10f972d3d377f30e5074a6d118e72c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af1bb577cac27c9b3144d35cedac778c10f972d3d377f30e5074a6d118e72c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1bb577cac27c9b3144d35cedac778c10f972d3d377f30e5074a6d118e72c01", kill_on_drop: false }`
[INFO] [stdout] af1bb577cac27c9b3144d35cedac778c10f972d3d377f30e5074a6d118e72c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe8bb124c5e81fc4af29263338ff82299596c783aa43ebd2fa7eaa8255628b5
[INFO] running `Command { std: "docker" "start" "-a" "ebe8bb124c5e81fc4af29263338ff82299596c783aa43ebd2fa7eaa8255628b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking prost-serde-derive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attr.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Bytes(ProstBytesType),
[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] 77 |     Bytes(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]    --> src/attr.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct ProstAttr {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub tag: i32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attr.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Bytes(ProstBytesType),
[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] 77 |     Bytes(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]    --> src/attr.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct ProstAttr {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub tag: i32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "ebe8bb124c5e81fc4af29263338ff82299596c783aa43ebd2fa7eaa8255628b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe8bb124c5e81fc4af29263338ff82299596c783aa43ebd2fa7eaa8255628b5", kill_on_drop: false }`
[INFO] [stdout] ebe8bb124c5e81fc4af29263338ff82299596c783aa43ebd2fa7eaa8255628b5