[INFO] cloning repository https://github.com/voidpumpkin/structural-convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidpumpkin/structural-convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05f0a23ba5b9e39db8577a9965272a500f0c7aa0
[INFO] checking voidpumpkin/structural-convert against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voidpumpkin/structural-convert
[INFO] finished tweaking git repo https://github.com/voidpumpkin/structural-convert
[INFO] tweaked toml for git repo https://github.com/voidpumpkin/structural-convert written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voidpumpkin/structural-convert on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voidpumpkin/structural-convert 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b7a10a452dfb68fe225361bb981ace5e01a22a61d0c07124e31de30510e345
[INFO] running `Command { std: "docker" "start" "-a" "d5b7a10a452dfb68fe225361bb981ace5e01a22a61d0c07124e31de30510e345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b7a10a452dfb68fe225361bb981ace5e01a22a61d0c07124e31de30510e345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b7a10a452dfb68fe225361bb981ace5e01a22a61d0c07124e31de30510e345", kill_on_drop: false }`
[INFO] [stdout] d5b7a10a452dfb68fe225361bb981ace5e01a22a61d0c07124e31de30510e345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0774b785ef7c12230f11532a9fb362f47f484d16608bc93681f54224881c096c
[INFO] running `Command { std: "docker" "start" "-a" "0774b785ef7c12230f11532a9fb362f47f484d16608bc93681f54224881c096c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling structural-convert-derive v0.3.0 (/opt/rustwide/workdir/structural-convert-derive)
[INFO] [stdout] warning: field `default` is never read
[INFO] [stdout]   --> structural-convert-derive/src/structural_convert/attributes/named_field/into_field_named_attributes.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct IntoFieldNamedAttributes {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub default: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IntoFieldNamedAttributes` has derived impls for the traits `Clone` and `Debug`, but these are 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 `default` is never read
[INFO] [stdout]   --> structural-convert-derive/src/structural_convert/attributes/named_field/into_field_named_attributes.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct IntoFieldNamedAttributes {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub default: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IntoFieldNamedAttributes` has derived impls for the traits `Clone` and `Debug`, but these are 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 `default` is never read
[INFO] [stdout]   --> structural-convert-derive/src/structural_convert/attributes/named_field/into_field_named_attributes.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct IntoFieldNamedAttributes {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub default: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IntoFieldNamedAttributes` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structural-convert v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Rhs` is never constructed
[INFO] [stdout]   --> tests/try_from_struct_generic_types.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     struct Rhs(Vec<Vec<Vec<Vec<i8>>>>);
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lhs` is never constructed
[INFO] [stdout]   --> tests/try_from_struct_generic_types.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     struct Lhs(Vec<Vec<Vec<Vec<i8>>>>);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "0774b785ef7c12230f11532a9fb362f47f484d16608bc93681f54224881c096c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0774b785ef7c12230f11532a9fb362f47f484d16608bc93681f54224881c096c", kill_on_drop: false }`
[INFO] [stdout] 0774b785ef7c12230f11532a9fb362f47f484d16608bc93681f54224881c096c
