[INFO] fetching crate async-trait 0.1.74...
[INFO] checking async-trait-0.1.74 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate async-trait 0.1.74 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-trait 0.1.74 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded trybuild v1.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c599a181a933d93a78282941bb039a4bac04764d57aa3983db29beecfbf674
[INFO] running `Command { std: "docker" "start" "-a" "39c599a181a933d93a78282941bb039a4bac04764d57aa3983db29beecfbf674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c599a181a933d93a78282941bb039a4bac04764d57aa3983db29beecfbf674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c599a181a933d93a78282941bb039a4bac04764d57aa3983db29beecfbf674", kill_on_drop: false }`
[INFO] [stdout] 39c599a181a933d93a78282941bb039a4bac04764d57aa3983db29beecfbf674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7567f92f027936f0a3e76ed24e36e261b2aae51d2e75aa6c41e1384c2086275
[INFO] running `Command { std: "docker" "start" "-a" "b7567f92f027936f0a3e76ed24e36e261b2aae51d2e75aa6c41e1384c2086275", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling async-trait v0.1.74 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling trybuild v1.0.90
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking syn v2.0.53
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[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: 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 `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: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "b7567f92f027936f0a3e76ed24e36e261b2aae51d2e75aa6c41e1384c2086275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7567f92f027936f0a3e76ed24e36e261b2aae51d2e75aa6c41e1384c2086275", kill_on_drop: false }`
[INFO] [stdout] b7567f92f027936f0a3e76ed24e36e261b2aae51d2e75aa6c41e1384c2086275
[INFO] checking async-trait-0.1.74 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate async-trait 0.1.74 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate async-trait 0.1.74 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f8d1216d3b6e0cd487989ad2cd98ff75a77b13be5b6411c9047e6faab27ad2a
[INFO] running `Command { std: "docker" "start" "-a" "2f8d1216d3b6e0cd487989ad2cd98ff75a77b13be5b6411c9047e6faab27ad2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f8d1216d3b6e0cd487989ad2cd98ff75a77b13be5b6411c9047e6faab27ad2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8d1216d3b6e0cd487989ad2cd98ff75a77b13be5b6411c9047e6faab27ad2a", kill_on_drop: false }`
[INFO] [stdout] 2f8d1216d3b6e0cd487989ad2cd98ff75a77b13be5b6411c9047e6faab27ad2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac3503fb30bf781addb0a68c885bd5e4da6f59325ff49a703a37e146060df7d
[INFO] running `Command { std: "docker" "start" "-a" "dac3503fb30bf781addb0a68c885bd5e4da6f59325ff49a703a37e146060df7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling async-trait v0.1.74 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling trybuild v1.0.90
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.53
[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]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[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: 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 `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: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "dac3503fb30bf781addb0a68c885bd5e4da6f59325ff49a703a37e146060df7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac3503fb30bf781addb0a68c885bd5e4da6f59325ff49a703a37e146060df7d", kill_on_drop: false }`
[INFO] [stdout] dac3503fb30bf781addb0a68c885bd5e4da6f59325ff49a703a37e146060df7d
