[INFO] cloning repository https://github.com/thomps51/struct-diff-iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomps51/struct-diff-iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomps51%2Fstruct-diff-iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomps51%2Fstruct-diff-iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3caa28ff1cf1dd13e2e9cfe362aac6d5189495ae
[INFO] checking thomps51/struct-diff-iter against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomps51%2Fstruct-diff-iter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomps51/struct-diff-iter
[INFO] finished tweaking git repo https://github.com/thomps51/struct-diff-iter
[INFO] tweaked toml for git repo https://github.com/thomps51/struct-diff-iter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomps51/struct-diff-iter on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomps51/struct-diff-iter 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27
[INFO] running `Command { std: "docker" "start" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking struct-diff-iter-internal v0.1.0 (/opt/rustwide/workdir/struct-diff-iter-internal)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> struct-diff-iter-internal/src/lib.rs:60:88
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData>;
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>>;
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> struct-diff-iter-internal/src/lib.rs:65:88
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> struct-diff-iter-internal/src/lib.rs:60:88
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData>;
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>>;
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> struct-diff-iter-internal/src/lib.rs:65:88
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]    Compiling struct-diff-iter-derive v0.1.0 (/opt/rustwide/workdir/struct-diff-iter-derive)
[INFO] [stderr]     Checking struct-diff-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MyEnum` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum MyEnum {
[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 `MyInnerType` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct MyInnerType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyOuterType` is never constructed
[INFO] [stdout]   --> src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct MyOuterType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:19:88
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:73:88
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyEnum` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum MyEnum {
[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 `MyInnerType` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct MyInnerType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyOuterType` is never constructed
[INFO] [stdout]   --> src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct MyOuterType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:19:88
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:73:88
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData> {
[INFO] [stdout]    |                                      -- the lifetime is named here                     ^^^^^^^^ the same lifetimes are hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn struct_diff_iter<'a, 'b: 'a>(&'a self, other: &'b Self) -> impl Iterator<Item = DiffData<'a, 'a>> {
[INFO] [stdout]    |                                                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `One`, `Two`, and `Four` are never constructed
[INFO] [stdout]   --> tests/tests.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum MyEnum {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 26 |     One,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Two,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     Three { field: u64 },
[INFO] [stdout] 29 |     Four(u64, u64),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27", kill_on_drop: false }`
[INFO] [stdout] 8bf9d0b07e815384093380aac9ca0d1ba5b3e0bf2c61322fb7da917a6741bf27
