[INFO] fetching crate synstructure_test_traits 0.1.0... [INFO] testing synstructure_test_traits-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate synstructure_test_traits 0.1.0 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate synstructure_test_traits 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate synstructure_test_traits 0.1.0 [INFO] finished tweaking crates.io crate synstructure_test_traits 0.1.0 [INFO] tweaked toml for crates.io crate synstructure_test_traits 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99f57ac7ba8e02e90557169b23abe828fd574b2695eaa01ebc64f723aa298d84 [INFO] running `Command { std: "docker" "start" "-a" "99f57ac7ba8e02e90557169b23abe828fd574b2695eaa01ebc64f723aa298d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99f57ac7ba8e02e90557169b23abe828fd574b2695eaa01ebc64f723aa298d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f57ac7ba8e02e90557169b23abe828fd574b2695eaa01ebc64f723aa298d84", kill_on_drop: false }` [INFO] [stdout] 99f57ac7ba8e02e90557169b23abe828fd574b2695eaa01ebc64f723aa298d84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dbcfef184cf90d1a7135b4726d3e9bbe76e12b18398a02ae9a47b4ce1281f29 [INFO] running `Command { std: "docker" "start" "-a" "7dbcfef184cf90d1a7135b4726d3e9bbe76e12b18398a02ae9a47b4ce1281f29", kill_on_drop: false }` [INFO] [stderr] Compiling synstructure_test_traits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "7dbcfef184cf90d1a7135b4726d3e9bbe76e12b18398a02ae9a47b4ce1281f29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dbcfef184cf90d1a7135b4726d3e9bbe76e12b18398a02ae9a47b4ce1281f29", kill_on_drop: false }` [INFO] [stdout] 7dbcfef184cf90d1a7135b4726d3e9bbe76e12b18398a02ae9a47b4ce1281f29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9645bb78c5fe73adeab52cf07e16036f5d7dca2dbed613ae7c4da4a813985afe [INFO] running `Command { std: "docker" "start" "-a" "9645bb78c5fe73adeab52cf07e16036f5d7dca2dbed613ae7c4da4a813985afe", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure_test_traits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> lib.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "9645bb78c5fe73adeab52cf07e16036f5d7dca2dbed613ae7c4da4a813985afe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9645bb78c5fe73adeab52cf07e16036f5d7dca2dbed613ae7c4da4a813985afe", kill_on_drop: false }` [INFO] [stdout] 9645bb78c5fe73adeab52cf07e16036f5d7dca2dbed613ae7c4da4a813985afe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 33c9a5d8016f55ac2bddf3e04fe26895f27833e4621c197f84b8b1de1734fd4e [INFO] running `Command { std: "docker" "start" "-a" "33c9a5d8016f55ac2bddf3e04fe26895f27833e4621c197f84b8b1de1734fd4e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> lib.rs:7:38 [INFO] [stderr] | [INFO] [stderr] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> lib.rs:7:45 [INFO] [stderr] | [INFO] [stderr] 7 | fn walk_fields(&self, walk: &mut FnMut(&WalkFields)); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> lib.rs:10:39 [INFO] [stderr] | [INFO] [stderr] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&WalkFields)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> lib.rs:10:46 [INFO] [stderr] | [INFO] [stderr] 10 | fn walk_fields(&self, _walk: &mut FnMut(&WalkFields)) {} [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn WalkFields` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `synstructure_test_traits` (lib) generated 4 warnings [INFO] [stderr] warning: `synstructure_test_traits` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/synstructure_test_traits-e52b5a8db7ed6ccc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests synstructure_test_traits [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "33c9a5d8016f55ac2bddf3e04fe26895f27833e4621c197f84b8b1de1734fd4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c9a5d8016f55ac2bddf3e04fe26895f27833e4621c197f84b8b1de1734fd4e", kill_on_drop: false }` [INFO] [stdout] 33c9a5d8016f55ac2bddf3e04fe26895f27833e4621c197f84b8b1de1734fd4e