[INFO] fetching crate async-trait 0.1.74...
[INFO] checking async-trait-0.1.74 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate async-trait 0.1.74 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate async-trait 0.1.74 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-trait 0.1.74
[INFO] finished tweaking crates.io crate async-trait 0.1.74
[INFO] tweaked toml for crates.io crate async-trait 0.1.74 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dissimilar v1.0.8
[INFO] [stderr]   Downloaded trybuild v1.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb9da86376a997ae3c9a2c50819b574e91d19be68bea861b7fe07dc6b29eb62f
[INFO] running `Command { std: "docker" "start" "-a" "eb9da86376a997ae3c9a2c50819b574e91d19be68bea861b7fe07dc6b29eb62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb9da86376a997ae3c9a2c50819b574e91d19be68bea861b7fe07dc6b29eb62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9da86376a997ae3c9a2c50819b574e91d19be68bea861b7fe07dc6b29eb62f", kill_on_drop: false }`
[INFO] [stdout] eb9da86376a997ae3c9a2c50819b574e91d19be68bea861b7fe07dc6b29eb62f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3bf2ad3289d787f0914d0ce37e0b88ef081df4e83996c408701e7c1d9167d7
[INFO] running `Command { std: "docker" "start" "-a" "6e3bf2ad3289d787f0914d0ce37e0b88ef081df4e83996c408701e7c1d9167d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]    Compiling async-trait v0.1.74 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.91
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking dissimilar v1.0.8
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.60
[INFO] [stderr]     Checking toml_edit v0.22.12
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/receiver.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(pub Span);
[INFO] [stdout]    |            ----------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/receiver.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(pub Span);
[INFO] [stdout]    |            ----------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/receiver.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(pub Span);
[INFO] [stdout]    |            ----------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ReplaceSelf(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsafeTraitPubCrate` is never used
[INFO] [stdout]    --> tests/test.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub(crate) unsafe trait UnsafeTraitPubCrate {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsafeTraitPrivate` is never used
[INFO] [stdout]    --> tests/test.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 | unsafe trait UnsafeTraitPrivate {}
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanDestruct` is never used
[INFO] [stdout]    --> tests/test.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 |     trait CanDestruct {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     trait Trait {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:206:15
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub trait Trait {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:231:15
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub trait Trait {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue1` is never used
[INFO] [stdout]    --> tests/test.rs:243:11
[INFO] [stdout]     |
[INFO] [stdout] 243 |     trait Issue1 {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue11` is never used
[INFO] [stdout]    --> tests/test.rs:287:11
[INFO] [stdout]     |
[INFO] [stdout] 287 |     trait Issue11 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]    --> tests/test.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 |     struct Struct;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:304:11
[INFO] [stdout]     |
[INFO] [stdout] 304 |     trait Trait {}
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue15` is never used
[INFO] [stdout]    --> tests/test.rs:307:11
[INFO] [stdout]     |
[INFO] [stdout] 307 |     trait Issue15 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue17` is never used
[INFO] [stdout]    --> tests/test.rs:317:11
[INFO] [stdout]     |
[INFO] [stdout] 317 |     trait Issue17 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]    --> tests/test.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 |     struct Struct {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/test.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 |     struct S {}
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Str` is never constructed
[INFO] [stdout]    --> tests/test.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     struct Str<'a>(&'a str);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait1` is never used
[INFO] [stdout]    --> tests/test.rs:415:11
[INFO] [stdout]     |
[INFO] [stdout] 415 |     trait Trait1<'a> {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait2` is never used
[INFO] [stdout]    --> tests/test.rs:430:11
[INFO] [stdout]     |
[INFO] [stdout] 430 |     trait Trait2 {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait3` is never used
[INFO] [stdout]    --> tests/test.rs:440:11
[INFO] [stdout]     |
[INFO] [stdout] 440 |     trait Trait3<'a, 'b> {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/test.rs:679:22
[INFO] [stdout]     |
[INFO] [stdout] 679 |     pub struct Tuple(u8);
[INFO] [stdout]     |                ----- ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 679 |     pub struct Tuple(());
[INFO] [stdout]     |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:871:11
[INFO] [stdout]     |
[INFO] [stdout] 871 |     trait Trait {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `T1` is never used
[INFO] [stdout]     --> tests/test.rs:1007:11
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     trait T1 {
[INFO] [stdout]      |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]     --> tests/test.rs:1022:12
[INFO] [stdout]      |
[INFO] [stdout] 1022 |     struct Foo;
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]     --> tests/test.rs:1086:11
[INFO] [stdout]      |
[INFO] [stdout] 1086 |     trait Trait {
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]     --> tests/test.rs:1101:11
[INFO] [stdout]      |
[INFO] [stdout] 1101 |     trait Trait<T = ()> {
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]     --> tests/test.rs:1403:11
[INFO] [stdout]      |
[INFO] [stdout] 1403 |     trait Foo {
[INFO] [stdout]      |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]     --> tests/test.rs:1478:12
[INFO] [stdout]      |
[INFO] [stdout] 1478 |     struct Struct;
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "6e3bf2ad3289d787f0914d0ce37e0b88ef081df4e83996c408701e7c1d9167d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3bf2ad3289d787f0914d0ce37e0b88ef081df4e83996c408701e7c1d9167d7", kill_on_drop: false }`
[INFO] [stdout] 6e3bf2ad3289d787f0914d0ce37e0b88ef081df4e83996c408701e7c1d9167d7
