[INFO] cloning repository https://github.com/belovdv/objects_pool-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/belovdv/objects_pool-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbelovdv%2Fobjects_pool-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbelovdv%2Fobjects_pool-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b5a36bbc7e8faf2cd911c5fb10b93d434d06054
[INFO] checking belovdv/objects_pool-rs against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbelovdv%2Fobjects_pool-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/belovdv/objects_pool-rs
[INFO] finished tweaking git repo https://github.com/belovdv/objects_pool-rs
[INFO] tweaked toml for git repo https://github.com/belovdv/objects_pool-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/belovdv/objects_pool-rs on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/belovdv/objects_pool-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d05f67e6a4b70660bce01f98d8365163405fe6be913658190198dca4a022c2d8
[INFO] running `Command { std: "docker" "start" "-a" "d05f67e6a4b70660bce01f98d8365163405fe6be913658190198dca4a022c2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d05f67e6a4b70660bce01f98d8365163405fe6be913658190198dca4a022c2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05f67e6a4b70660bce01f98d8365163405fe6be913658190198dca4a022c2d8", kill_on_drop: false }`
[INFO] [stdout] d05f67e6a4b70660bce01f98d8365163405fe6be913658190198dca4a022c2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 330fac0495d829e0c2bcc1d632e731592a5f73548444da5a3c3f76667f537cc0
[INFO] running `Command { std: "docker" "start" "-a" "330fac0495d829e0c2bcc1d632e731592a5f73548444da5a3c3f76667f537cc0", kill_on_drop: false }`
[INFO] [stderr]     Checking objects_pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "fn_overload", feature(specialization))]
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Eq::assert_receiver_is_total_eq` should never be implemented by hand
[INFO] [stdout]   --> src/id.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn assert_receiver_is_total_eq(&self) {}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method was used to add checks to the `Eq` derive macro
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #152336 <https://github.com/rust-lang/rust/issues/152336>
[INFO] [stdout]    = note: `#[warn(internal_eq_trait_method_impls)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "fn_overload", feature(specialization))]
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Eq::assert_receiver_is_total_eq` should never be implemented by hand
[INFO] [stdout]   --> src/id.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn assert_receiver_is_total_eq(&self) {}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method was used to add checks to the `Eq` derive macro
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #152336 <https://github.com/rust-lang/rust/issues/152336>
[INFO] [stdout]    = note: `#[warn(internal_eq_trait_method_impls)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "330fac0495d829e0c2bcc1d632e731592a5f73548444da5a3c3f76667f537cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330fac0495d829e0c2bcc1d632e731592a5f73548444da5a3c3f76667f537cc0", kill_on_drop: false }`
[INFO] [stdout] 330fac0495d829e0c2bcc1d632e731592a5f73548444da5a3c3f76667f537cc0
