[INFO] fetching crate opg_derive 0.1.0...
[INFO] building opg_derive-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate opg_derive 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate opg_derive 0.1.0
[INFO] finished tweaking crates.io crate opg_derive 0.1.0
[INFO] tweaked toml for crates.io crate opg_derive 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opg_derive 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding opg v0.0.35 (available: v0.2.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3afac7cb6bfdbcc31b4cd60032782059ea41567fa4c2d608ce3049e794996177
[INFO] running `Command { std: "docker" "start" "-a" "3afac7cb6bfdbcc31b4cd60032782059ea41567fa4c2d608ce3049e794996177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3afac7cb6bfdbcc31b4cd60032782059ea41567fa4c2d608ce3049e794996177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afac7cb6bfdbcc31b4cd60032782059ea41567fa4c2d608ce3049e794996177", kill_on_drop: false }`
[INFO] [stdout] 3afac7cb6bfdbcc31b4cd60032782059ea41567fa4c2d608ce3049e794996177
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74958d19f8a23e08e9c076d2acd5f020d5288a14f75501f2cecd3d5a4b8b3912
[INFO] running `Command { std: "docker" "start" "-a" "74958d19f8a23e08e9c076d2acd5f020d5288a14f75501f2cecd3d5a4b8b3912", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling opg_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]  --> src/dummy.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/ast.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub original: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     pub ident: syn::Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `member` and `ty` are never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 29 |     pub member: syn::Member,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub attrs: attr::Field,
[INFO] [stdout] 31 |     pub ty: &'a syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `transparent` are never read
[INFO] [stdout]   --> src/attr.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Container {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 15 |     pub name: Name,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |     pub rename_rule: RenameRule,
[INFO] [stdout] 17 |     pub transparent: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `explicit_model_type` is never read
[INFO] [stdout]    --> src/attr.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct Variant {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub explicit_model_type: Option<ExplicitModelType>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transparent` is never read
[INFO] [stdout]    --> src/attr.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub transparent: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "74958d19f8a23e08e9c076d2acd5f020d5288a14f75501f2cecd3d5a4b8b3912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74958d19f8a23e08e9c076d2acd5f020d5288a14f75501f2cecd3d5a4b8b3912", kill_on_drop: false }`
[INFO] [stdout] 74958d19f8a23e08e9c076d2acd5f020d5288a14f75501f2cecd3d5a4b8b3912
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da65e2f9f65a9f1d923f653b2850dbf5d610bbf0de760f3a9b0f9d6f61a06ca4
[INFO] running `Command { std: "docker" "start" "-a" "da65e2f9f65a9f1d923f653b2850dbf5d610bbf0de760f3a9b0f9d6f61a06ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling opg_derive v0.0.35
[INFO] [stderr]    Compiling opg_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]  --> src/dummy.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `transparent` are never read
[INFO] [stdout]   --> src/attr.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Container {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 15 |     pub name: Name,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |     pub rename_rule: RenameRule,
[INFO] [stdout] 17 |     pub transparent: 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: field `explicit_model_type` is never read
[INFO] [stdout]    --> src/attr.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct Variant {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub explicit_model_type: Option<ExplicitModelType>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transparent` is never read
[INFO] [stdout]    --> src/attr.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub transparent: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/ast.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub original: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     pub ident: syn::Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `member` and `ty` are never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 29 |     pub member: syn::Member,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub attrs: attr::Field,
[INFO] [stdout] 31 |     pub ty: &'a syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling opg v0.0.35
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]  --> src/dummy.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/ast.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub original: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     pub ident: syn::Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `member` and `ty` are never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 29 |     pub member: syn::Member,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub attrs: attr::Field,
[INFO] [stdout] 31 |     pub ty: &'a syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `transparent` are never read
[INFO] [stdout]   --> src/attr.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Container {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 15 |     pub name: Name,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |     pub rename_rule: RenameRule,
[INFO] [stdout] 17 |     pub transparent: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `explicit_model_type` is never read
[INFO] [stdout]    --> src/attr.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct Variant {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub explicit_model_type: Option<ExplicitModelType>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transparent` is never read
[INFO] [stdout]    --> src/attr.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub transparent: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "da65e2f9f65a9f1d923f653b2850dbf5d610bbf0de760f3a9b0f9d6f61a06ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da65e2f9f65a9f1d923f653b2850dbf5d610bbf0de760f3a9b0f9d6f61a06ca4", kill_on_drop: false }`
[INFO] [stdout] da65e2f9f65a9f1d923f653b2850dbf5d610bbf0de760f3a9b0f9d6f61a06ca4
