[INFO] fetching crate traitcast_core 0.2.0... [INFO] testing traitcast_core-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate traitcast_core 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate traitcast_core 0.2.0 [INFO] finished tweaking crates.io crate traitcast_core 0.2.0 [INFO] tweaked toml for crates.io crate traitcast_core 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate traitcast_core 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding inventory v0.1.11 (available: v0.3.21) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afb3679dc02f4150a1c467d648725e100f5aad49f7255a561b82793fe12b50f2 [INFO] running `Command { std: "docker" "start" "-a" "afb3679dc02f4150a1c467d648725e100f5aad49f7255a561b82793fe12b50f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afb3679dc02f4150a1c467d648725e100f5aad49f7255a561b82793fe12b50f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afb3679dc02f4150a1c467d648725e100f5aad49f7255a561b82793fe12b50f2", kill_on_drop: false }` [INFO] [stdout] afb3679dc02f4150a1c467d648725e100f5aad49f7255a561b82793fe12b50f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d4724e94a7f89836018ae17fb9aaab7c18dbfd2a9ff817c3be38f8b7c6e120e [INFO] running `Command { std: "docker" "start" "-a" "0d4724e94a7f89836018ae17fb9aaab7c18dbfd2a9ff817c3be38f8b7c6e120e", kill_on_drop: false }` [INFO] [stderr] Compiling anymap v0.12.1 [INFO] [stderr] Compiling traitcast_core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:26 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:61 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "0d4724e94a7f89836018ae17fb9aaab7c18dbfd2a9ff817c3be38f8b7c6e120e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d4724e94a7f89836018ae17fb9aaab7c18dbfd2a9ff817c3be38f8b7c6e120e", kill_on_drop: false }` [INFO] [stdout] 0d4724e94a7f89836018ae17fb9aaab7c18dbfd2a9ff817c3be38f8b7c6e120e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f53cf0c99f907104d6e2d8781f5f3615f15c7880be5e2f5068ec551c2f6a8d6 [INFO] running `Command { std: "docker" "start" "-a" "1f53cf0c99f907104d6e2d8781f5f3615f15c7880be5e2f5068ec551c2f6a8d6", kill_on_drop: false }` [INFO] [stderr] Compiling inventory v0.1.11 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:26 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:61 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ghost v0.1.20 [INFO] [stderr] Compiling inventory-impl v0.1.11 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling traitcast_core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:26 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:140:61 [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.03s [INFO] running `Command { std: "docker" "inspect" "1f53cf0c99f907104d6e2d8781f5f3615f15c7880be5e2f5068ec551c2f6a8d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f53cf0c99f907104d6e2d8781f5f3615f15c7880be5e2f5068ec551c2f6a8d6", kill_on_drop: false }` [INFO] [stdout] 1f53cf0c99f907104d6e2d8781f5f3615f15c7880be5e2f5068ec551c2f6a8d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8481a6b8ddc16cd103dc537f1fa5c455e72db6a82a0164e4ff53de3896efa751 [INFO] running `Command { std: "docker" "start" "-a" "8481a6b8ddc16cd103dc537f1fa5c455e72db6a82a0164e4ff53de3896efa751", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:140:26 [INFO] [stderr] | [INFO] [stderr] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:140:61 [INFO] [stderr] | [INFO] [stderr] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 140 | pub cast_box: fn(Box) -> Result, Box>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `traitcast_core` (lib) generated 2 warnings (run `cargo fix --lib -p traitcast_core` to apply 2 suggestions) [INFO] [stderr] warning: `traitcast_core` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/traitcast_core-62a9056f1df1d666) [INFO] [stdout] [INFO] [stderr] Doc-tests traitcast_core [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - impl_entry (line 218) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8481a6b8ddc16cd103dc537f1fa5c455e72db6a82a0164e4ff53de3896efa751", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8481a6b8ddc16cd103dc537f1fa5c455e72db6a82a0164e4ff53de3896efa751", kill_on_drop: false }` [INFO] [stdout] 8481a6b8ddc16cd103dc537f1fa5c455e72db6a82a0164e4ff53de3896efa751