[INFO] fetching crate enum_delegate 0.2.0...
[INFO] checking enum_delegate-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate enum_delegate 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate enum_delegate 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate enum_delegate 0.2.0
[INFO] tweaked toml for crates.io crate enum_delegate 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_delegate 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enum_delegate 0.2.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.71
[INFO] [stderr]   Downloaded enum_delegate_lib v0.2.0
[INFO] [stderr]   Downloaded impls v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9009a46e50351fda5d621cb41cfe2f54434cbfc9ac21ebd36b105dd4329b5a9d
[INFO] running `Command { std: "docker" "start" "-a" "9009a46e50351fda5d621cb41cfe2f54434cbfc9ac21ebd36b105dd4329b5a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9009a46e50351fda5d621cb41cfe2f54434cbfc9ac21ebd36b105dd4329b5a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9009a46e50351fda5d621cb41cfe2f54434cbfc9ac21ebd36b105dd4329b5a9d", kill_on_drop: false }`
[INFO] [stdout] 9009a46e50351fda5d621cb41cfe2f54434cbfc9ac21ebd36b105dd4329b5a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01f649b132833f828f2ce4a2af3b57e44c6bba6449cdd3813f655867796ca42
[INFO] running `Command { std: "docker" "start" "-a" "e01f649b132833f828f2ce4a2af3b57e44c6bba6449cdd3813f655867796ca42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling trybuild v1.0.71
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking enum_delegate_lib v0.2.0
[INFO] [stderr]     Checking enum_delegate v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stdout] warning: trait `T` is never used
[INFO] [stdout]  --> tests/conversions.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait T {}
[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 `SayHello` is never used
[INFO] [stdout]  --> examples/e1_simple_no_implement.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait SayHello {
[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 `Arthur` is never constructed
[INFO] [stdout]   --> examples/e1_simple_no_implement.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Arthur;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pablo` is never constructed
[INFO] [stdout]   --> examples/e1_simple_no_implement.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Pablo;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `People` is never used
[INFO] [stdout]   --> examples/e1_simple_no_implement.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum People {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]  --> examples/e2_associated_type.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Operation {
[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]   --> examples/e2_associated_type.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Add(i64);
[INFO] [stdout]    |        --- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/e2_associated_type.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Multiply(i64);
[INFO] [stdout]    |        -------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CanThereOnlyBeOne`
[INFO] [stdout]  --> tests/two_traits_one_name.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |         trait CanThereOnlyBeOne {}
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CanThereOnlyBeOne`
[INFO] [stdout]   --> tests/two_traits_one_name.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |         trait CanThereOnlyBeOne {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanThereOnlyBeOne` is never used
[INFO] [stdout]  --> tests/two_traits_one_name.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |         trait CanThereOnlyBeOne {}
[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 `CanThereOnlyBeOne` is never used
[INFO] [stdout]   --> tests/two_traits_one_name.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |         trait CanThereOnlyBeOne {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SayHello` is never used
[INFO] [stdout]  --> examples/e1_simple_no_register.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait SayHello {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `use_thing` is never used
[INFO] [stdout]   --> examples/e3_mixed_associated_type.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | trait FavoriteThing {
[INFO] [stdout]    |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn use_thing(&self, thing: Self::Thing);
[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 `SayHello` is never used
[INFO] [stdout]  --> examples/e1_simple.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait SayHello {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `self_mut` is never used
[INFO] [stdout]  --> tests/self_flavors.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Foo {
[INFO] [stdout]   |       --- method in this trait
[INFO] [stdout] 3 |     fn self_ref(&self) -> i32;
[INFO] [stdout] 4 |     fn self_mut(&mut self) -> i32;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[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 10.34s
[INFO] running `Command { std: "docker" "inspect" "e01f649b132833f828f2ce4a2af3b57e44c6bba6449cdd3813f655867796ca42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01f649b132833f828f2ce4a2af3b57e44c6bba6449cdd3813f655867796ca42", kill_on_drop: false }`
[INFO] [stdout] e01f649b132833f828f2ce4a2af3b57e44c6bba6449cdd3813f655867796ca42
