[INFO] fetching crate datastruct_derive 0.1.1...
[INFO] checking datastruct_derive-0.1.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate datastruct_derive 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate datastruct_derive 0.1.1 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 datastruct_derive 0.1.1
[INFO] finished tweaking crates.io crate datastruct_derive 0.1.1
[INFO] tweaked toml for crates.io crate datastruct_derive 0.1.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f170a0bcbfa64a823b883362aa0b4d48ade57d9b0a4382ecb276932c7e6995e4
[INFO] running `Command { std: "docker" "start" "-a" "f170a0bcbfa64a823b883362aa0b4d48ade57d9b0a4382ecb276932c7e6995e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f170a0bcbfa64a823b883362aa0b4d48ade57d9b0a4382ecb276932c7e6995e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f170a0bcbfa64a823b883362aa0b4d48ade57d9b0a4382ecb276932c7e6995e4", kill_on_drop: false }`
[INFO] [stdout] f170a0bcbfa64a823b883362aa0b4d48ade57d9b0a4382ecb276932c7e6995e4
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49857478fe37e64af9e634f94fc67a4456852bc2eeac12d274b2e5ab3e3a04e6
[INFO] running `Command { std: "docker" "start" "-a" "49857478fe37e64af9e634f94fc67a4456852bc2eeac12d274b2e5ab3e3a04e6", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking datastruct_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]   --> src/generate.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RichStructContent {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     pub config: StructConfig,
[INFO] [stdout] 16 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RichStructContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]    --> src/generate.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub struct StructFieldContent {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 260 |     pub config: FieldConfig,
[INFO] [stdout] 261 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 262 |     pub vis: Visibility,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructFieldContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]   --> src/generate.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RichStructContent {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     pub config: StructConfig,
[INFO] [stdout] 16 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RichStructContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]    --> src/generate.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub struct StructFieldContent {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 260 |     pub config: FieldConfig,
[INFO] [stdout] 261 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 262 |     pub vis: Visibility,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructFieldContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "49857478fe37e64af9e634f94fc67a4456852bc2eeac12d274b2e5ab3e3a04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49857478fe37e64af9e634f94fc67a4456852bc2eeac12d274b2e5ab3e3a04e6", kill_on_drop: false }`
[INFO] [stdout] 49857478fe37e64af9e634f94fc67a4456852bc2eeac12d274b2e5ab3e3a04e6
[INFO] checking datastruct_derive-0.1.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate datastruct_derive 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate datastruct_derive 0.1.1 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 datastruct_derive 0.1.1
[INFO] finished tweaking crates.io crate datastruct_derive 0.1.1
[INFO] tweaked toml for crates.io crate datastruct_derive 0.1.1 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb08b14dd8a908d3b9d0553a0cdea6dd7c05852eecd55084fb528364943ccb25
[INFO] running `Command { std: "docker" "start" "-a" "eb08b14dd8a908d3b9d0553a0cdea6dd7c05852eecd55084fb528364943ccb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb08b14dd8a908d3b9d0553a0cdea6dd7c05852eecd55084fb528364943ccb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb08b14dd8a908d3b9d0553a0cdea6dd7c05852eecd55084fb528364943ccb25", kill_on_drop: false }`
[INFO] [stdout] eb08b14dd8a908d3b9d0553a0cdea6dd7c05852eecd55084fb528364943ccb25
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a69a4eb30355b01db3c8b1e34dfa1de2cf41efc5d02927d720287ff1a4bfb7
[INFO] running `Command { std: "docker" "start" "-a" "88a69a4eb30355b01db3c8b1e34dfa1de2cf41efc5d02927d720287ff1a4bfb7", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking datastruct_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]   --> src/generate.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RichStructContent {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     pub config: StructConfig,
[INFO] [stdout] 16 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RichStructContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]    --> src/generate.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub struct StructFieldContent {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 260 |     pub config: FieldConfig,
[INFO] [stdout] 261 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 262 |     pub vis: Visibility,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructFieldContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]   --> src/generate.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RichStructContent {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     pub config: StructConfig,
[INFO] [stdout] 16 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RichStructContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs` and `vis` are never read
[INFO] [stdout]    --> src/generate.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub struct StructFieldContent {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 260 |     pub config: FieldConfig,
[INFO] [stdout] 261 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 262 |     pub vis: Visibility,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructFieldContent` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "88a69a4eb30355b01db3c8b1e34dfa1de2cf41efc5d02927d720287ff1a4bfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a69a4eb30355b01db3c8b1e34dfa1de2cf41efc5d02927d720287ff1a4bfb7", kill_on_drop: false }`
[INFO] [stdout] 88a69a4eb30355b01db3c8b1e34dfa1de2cf41efc5d02927d720287ff1a4bfb7