[INFO] fetching crate prost-serde-derive 0.1.5...
[INFO] checking prost-serde-derive-0.1.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[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 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f015c5143fcf832e598233fb8b93995bb5b84bbbee3a5a4992cbb462b9a873db
[INFO] running `Command { std: "docker" "start" "-a" "f015c5143fcf832e598233fb8b93995bb5b84bbbee3a5a4992cbb462b9a873db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f015c5143fcf832e598233fb8b93995bb5b84bbbee3a5a4992cbb462b9a873db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f015c5143fcf832e598233fb8b93995bb5b84bbbee3a5a4992cbb462b9a873db", kill_on_drop: false }`
[INFO] [stdout] f015c5143fcf832e598233fb8b93995bb5b84bbbee3a5a4992cbb462b9a873db
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8fbefa686478361369cf25a833fb648208d6a23afdf3cf09a1bb68755a0f63
[INFO] running `Command { std: "docker" "start" "-a" "7c8fbefa686478361369cf25a833fb648208d6a23afdf3cf09a1bb68755a0f63", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.37
[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 `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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "7c8fbefa686478361369cf25a833fb648208d6a23afdf3cf09a1bb68755a0f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8fbefa686478361369cf25a833fb648208d6a23afdf3cf09a1bb68755a0f63", kill_on_drop: false }`
[INFO] [stdout] 7c8fbefa686478361369cf25a833fb648208d6a23afdf3cf09a1bb68755a0f63
[INFO] checking prost-serde-derive-0.1.5 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate prost-serde-derive 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate prost-serde-derive 0.1.5 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b21a78054e41eea08c42e69b1809981001a38ffc4f40d4e47d5c4d739b4d43d9
[INFO] running `Command { std: "docker" "start" "-a" "b21a78054e41eea08c42e69b1809981001a38ffc4f40d4e47d5c4d739b4d43d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21a78054e41eea08c42e69b1809981001a38ffc4f40d4e47d5c4d739b4d43d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21a78054e41eea08c42e69b1809981001a38ffc4f40d4e47d5c4d739b4d43d9", kill_on_drop: false }`
[INFO] [stdout] b21a78054e41eea08c42e69b1809981001a38ffc4f40d4e47d5c4d739b4d43d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a43feb4d2eb095fe4b06acf1f95f57ab0ed2017c9c1833cfa7458d66014a472
[INFO] running `Command { std: "docker" "start" "-a" "1a43feb4d2eb095fe4b06acf1f95f57ab0ed2017c9c1833cfa7458d66014a472", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking quote v1.0.37
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "1a43feb4d2eb095fe4b06acf1f95f57ab0ed2017c9c1833cfa7458d66014a472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a43feb4d2eb095fe4b06acf1f95f57ab0ed2017c9c1833cfa7458d66014a472", kill_on_drop: false }`
[INFO] [stdout] 1a43feb4d2eb095fe4b06acf1f95f57ab0ed2017c9c1833cfa7458d66014a472