[INFO] cloning repository https://github.com/QuarkContainer/enum_dispatch_clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QuarkContainer/enum_dispatch_clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuarkContainer%2Fenum_dispatch_clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuarkContainer%2Fenum_dispatch_clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db1abae3247a5ebbc42039dbfc86e9eec330b622
[INFO] checking QuarkContainer/enum_dispatch_clone against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuarkContainer%2Fenum_dispatch_clone" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/QuarkContainer/enum_dispatch_clone
[INFO] finished tweaking git repo https://github.com/QuarkContainer/enum_dispatch_clone
[INFO] tweaked toml for git repo https://github.com/QuarkContainer/enum_dispatch_clone written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/QuarkContainer/enum_dispatch_clone on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/QuarkContainer/enum_dispatch_clone 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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130
[INFO] running `Command { std: "docker" "start" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130", 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" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130", 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" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking enum_dispatch v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `AppState` is never constructed
[INFO] [stdout]  --> tests/arg_patterns.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AppState;
[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 `TupleStruct` is never constructed
[INFO] [stdout]  --> tests/arg_patterns.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TupleStruct(usize, usize);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Format` is never used
[INFO] [stdout]  --> tests/arg_patterns.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Format {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sentinel` is never used
[INFO] [stdout]   --> tests/arg_patterns.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Sentinel {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply`, `undo`, `redo`, `merge`, and `format` are never used
[INFO] [stdout]   --> tests/arg_patterns.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait AppAction {
[INFO] [stdout]    |       --------- methods in this trait
[INFO] [stdout] 19 |     fn apply(&mut self, _target: &mut AppState) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     fn undo(&mut self, _: &mut AppState) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     fn redo(
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn merge(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn format(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TestTrait` is never used
[INFO] [stdout]  --> tests/ambiguous_associated_items.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait TestTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]  --> tests/field_attrs.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait SomeTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shaped` is never used
[INFO] [stdout]  --> tests/serde.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Shaped {
[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 `0` is never read
[INFO] [stdout]    --> tests/latebound.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct Something(u32);
[INFO] [stdout]     |            --------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[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 19.54s
[INFO] running `Command { std: "docker" "inspect" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130", kill_on_drop: false }`
[INFO] [stdout] 76a7b6c175eefed3a955f2f6345b68e3a88cc6ab95019ac1f84915d23cd62130
