[INFO] cloning repository https://github.com/hzqd/structs-new
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hzqd/structs-new" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhzqd%2Fstructs-new", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhzqd%2Fstructs-new'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e82697e59d1dba42d7022f1443146deb60e5aa52
[INFO] checking hzqd/structs-new against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhzqd%2Fstructs-new" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hzqd/structs-new
[INFO] finished tweaking git repo https://github.com/hzqd/structs-new
[INFO] tweaked toml for git repo https://github.com/hzqd/structs-new written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hzqd/structs-new on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hzqd/structs-new already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd804629a8ff1e87073ef46d079ea0f268d85f0f8c8f3c5dd6115657979b019
[INFO] running `Command { std: "docker" "start" "-a" "6fd804629a8ff1e87073ef46d079ea0f268d85f0f8c8f3c5dd6115657979b019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd804629a8ff1e87073ef46d079ea0f268d85f0f8c8f3c5dd6115657979b019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd804629a8ff1e87073ef46d079ea0f268d85f0f8c8f3c5dd6115657979b019", kill_on_drop: false }`
[INFO] [stdout] 6fd804629a8ff1e87073ef46d079ea0f268d85f0f8c8f3c5dd6115657979b019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2d89d9f42ab2489e6091426485cd0b57d3e5a8f7293123353ec2134a3dbc91b
[INFO] running `Command { std: "docker" "start" "-a" "e2d89d9f42ab2489e6091426485cd0b57d3e5a8f7293123353ec2134a3dbc91b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling trybuild v1.0.53
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking proc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `struct_token` is never read
[INFO] [stdout]   --> src/structs.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` 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: field `struct_token` is never read
[INFO] [stdout]   --> src/structs2.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren_token` is never read
[INFO] [stdout]   --> src/structs2.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct NewFields {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 28 |     pub paren_token: Brace,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stdout] warning: field `struct_token` is never read
[INFO] [stdout]   --> src/structs.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` 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: field `struct_token` is never read
[INFO] [stdout]   --> src/structs2.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren_token` is never read
[INFO] [stdout]   --> src/structs2.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct NewFields {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 28 |     pub paren_token: Brace,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.132
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: field `struct_token` is never read
[INFO] [stdout]   --> src/structs.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` 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: field `struct_token` is never read
[INFO] [stdout]   --> src/structs2.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewItemStruct {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub struct_token: Struct,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewItemStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren_token` is never read
[INFO] [stdout]   --> src/structs2.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct NewFields {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 28 |     pub paren_token: Brace,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NewFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.35s
[INFO] running `Command { std: "docker" "inspect" "e2d89d9f42ab2489e6091426485cd0b57d3e5a8f7293123353ec2134a3dbc91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d89d9f42ab2489e6091426485cd0b57d3e5a8f7293123353ec2134a3dbc91b", kill_on_drop: false }`
[INFO] [stdout] e2d89d9f42ab2489e6091426485cd0b57d3e5a8f7293123353ec2134a3dbc91b