[INFO] fetching crate cagra 0.2.0...
[INFO] checking cagra-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cagra 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cagra 0.2.0 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate cagra 0.2.0
[INFO] finished tweaking crates.io crate cagra 0.2.0
[INFO] tweaked toml for crates.io crate cagra 0.2.0 written to /workspace/builds/worker-5-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 cagra-parser v0.1.0
[INFO] [stderr]   Downloaded cauchy v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ddc58370d35845995a6a677652b1f26efebc3b3c24f9d9bb2582d08d57230473
[INFO] running `Command { std: "docker" "start" "-a" "ddc58370d35845995a6a677652b1f26efebc3b3c24f9d9bb2582d08d57230473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc58370d35845995a6a677652b1f26efebc3b3c24f9d9bb2582d08d57230473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc58370d35845995a6a677652b1f26efebc3b3c24f9d9bb2582d08d57230473", kill_on_drop: false }`
[INFO] [stdout] ddc58370d35845995a6a677652b1f26efebc3b3c24f9d9bb2582d08d57230473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2d8e78dee5afa3990b72177e5f5dbf0078247eb5cbc771107b3106c8aa6dfbed
[INFO] running `Command { std: "docker" "start" "-a" "2d8e78dee5afa3990b72177e5f5dbf0078247eb5cbc771107b3106c8aa6dfbed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking cauchy v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cagra-parser v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking cagra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2d8e78dee5afa3990b72177e5f5dbf0078247eb5cbc771107b3106c8aa6dfbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8e78dee5afa3990b72177e5f5dbf0078247eb5cbc771107b3106c8aa6dfbed", kill_on_drop: false }`
[INFO] [stdout] 2d8e78dee5afa3990b72177e5f5dbf0078247eb5cbc771107b3106c8aa6dfbed
[INFO] checking cagra-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate cagra 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cagra 0.2.0 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate cagra 0.2.0
[INFO] finished tweaking crates.io crate cagra 0.2.0
[INFO] tweaked toml for crates.io crate cagra 0.2.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 60473524348c7157039bb088c24fae7b18a1eb35d487bfb3b66a101072c5ef56
[INFO] running `Command { std: "docker" "start" "-a" "60473524348c7157039bb088c24fae7b18a1eb35d487bfb3b66a101072c5ef56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60473524348c7157039bb088c24fae7b18a1eb35d487bfb3b66a101072c5ef56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60473524348c7157039bb088c24fae7b18a1eb35d487bfb3b66a101072c5ef56", kill_on_drop: false }`
[INFO] [stdout] 60473524348c7157039bb088c24fae7b18a1eb35d487bfb3b66a101072c5ef56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e35e97d1f10f38c691e4d0e54b332dfb73e068a5bd5eea98da22aa3ebbda186b
[INFO] running `Command { std: "docker" "start" "-a" "e35e97d1f10f38c691e4d0e54b332dfb73e068a5bd5eea98da22aa3ebbda186b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking cauchy v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cagra-parser v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking cagra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e35e97d1f10f38c691e4d0e54b332dfb73e068a5bd5eea98da22aa3ebbda186b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35e97d1f10f38c691e4d0e54b332dfb73e068a5bd5eea98da22aa3ebbda186b", kill_on_drop: false }`
[INFO] [stdout] e35e97d1f10f38c691e4d0e54b332dfb73e068a5bd5eea98da22aa3ebbda186b
