[INFO] fetching crate derivative 2.2.0...
[INFO] checking derivative-2.2.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate derivative 2.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate derivative 2.2.0
[INFO] finished tweaking crates.io crate derivative 2.2.0
[INFO] tweaked toml for crates.io crate derivative 2.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derivative 2.2.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] [stderr]       Adding trybuild v1.0.22 (available: v1.0.116)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a1d1697dac310d51e274b778d8b5d338e9ccb9c5087e7c2890cc6ac314aa8c
[INFO] running `Command { std: "docker" "start" "-a" "69a1d1697dac310d51e274b778d8b5d338e9ccb9c5087e7c2890cc6ac314aa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a1d1697dac310d51e274b778d8b5d338e9ccb9c5087e7c2890cc6ac314aa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a1d1697dac310d51e274b778d8b5d338e9ccb9c5087e7c2890cc6ac314aa8c", kill_on_drop: false }`
[INFO] [stdout] 69a1d1697dac310d51e274b778d8b5d338e9ccb9c5087e7c2890cc6ac314aa8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd5b64e9e9fd5aea7d329342f8f5006bcbab02c16ab29355f89cb65c54ef382
[INFO] running `Command { std: "docker" "start" "-a" "0bd5b64e9e9fd5aea7d329342f8f5006bcbab02c16ab29355f89cb65c54ef382", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking derivative v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub span: proc_macro2::Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field> {
[INFO] [stdout]    |                       ^^^^^         ^^^^^^
[INFO] [stdout]    |                       |             ||
[INFO] [stdout]    |                       |             |the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub span: proc_macro2::Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field> {
[INFO] [stdout]    |                       ^^^^^         ^^^^^^
[INFO] [stdout]    |                       |             ||
[INFO] [stdout]    |                       |             |the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking trybuild v1.0.22
[INFO] [stdout] error: struct `Test` is never constructed
[INFO] [stdout]   --> tests/issue-57.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | gen!(Test);
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derivative` (test "issue-57") due to 1 previous error
[INFO] [stdout] error: struct `A` is never constructed
[INFO] [stdout]  --> tests/issue-37-turbofish.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct A {
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `derivative` (test "issue-37-turbofish") due to 1 previous error
[INFO] [stdout] warning: method `dummy` is never used
[INFO] [stdout]   --> tests/rustc-issue-19358.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Trait { fn dummy(&self) { } }
[INFO] [stdout]    |       -----      ^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       method in this trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub span: proc_macro2::Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field> {
[INFO] [stdout]    |                       ^^^^^         ^^^^^^
[INFO] [stdout]    |                       |             ||
[INFO] [stdout]    |                       |             |the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&self) -> Vec<&Field<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bd5b64e9e9fd5aea7d329342f8f5006bcbab02c16ab29355f89cb65c54ef382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd5b64e9e9fd5aea7d329342f8f5006bcbab02c16ab29355f89cb65c54ef382", kill_on_drop: false }`
[INFO] [stdout] 0bd5b64e9e9fd5aea7d329342f8f5006bcbab02c16ab29355f89cb65c54ef382
