[INFO] fetching crate trc 1.2.3...
[INFO] checking trc-1.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate trc 1.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate trc 1.2.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trc 1.2.3
[INFO] finished tweaking crates.io crate trc 1.2.3
[INFO] tweaked toml for crates.io crate trc 1.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c639fe27409bfb7df57b79a01c9cd804fc4d4356e771a43a493311ec5ab4e5a3
[INFO] running `Command { std: "docker" "start" "-a" "c639fe27409bfb7df57b79a01c9cd804fc4d4356e771a43a493311ec5ab4e5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c639fe27409bfb7df57b79a01c9cd804fc4d4356e771a43a493311ec5ab4e5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c639fe27409bfb7df57b79a01c9cd804fc4d4356e771a43a493311ec5ab4e5a3", kill_on_drop: false }`
[INFO] [stdout] c639fe27409bfb7df57b79a01c9cd804fc4d4356e771a43a493311ec5ab4e5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec362b03373674516a9aa4c3c8402deeff6838642b11096cc38ca8409aa3ccb
[INFO] running `Command { std: "docker" "start" "-a" "4ec362b03373674516a9aa4c3c8402deeff6838642b11096cc38ca8409aa3ccb", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking trc v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         this.data.as_ptr() == other.data.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::addr_eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                  ~                    +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         +++++++++++++                  ~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/lib.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         this.shared.as_ptr() == other.shared.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::addr_eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                    ~                      +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         +++++++++++++                    ~                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         this.data.as_ptr() == other.data.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::addr_eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                  ~                    +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         +++++++++++++                  ~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/lib.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         this.shared.as_ptr() == other.shared.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::addr_eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                    ~                      +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         +++++++++++++                    ~                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "4ec362b03373674516a9aa4c3c8402deeff6838642b11096cc38ca8409aa3ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec362b03373674516a9aa4c3c8402deeff6838642b11096cc38ca8409aa3ccb", kill_on_drop: false }`
[INFO] [stdout] 4ec362b03373674516a9aa4c3c8402deeff6838642b11096cc38ca8409aa3ccb
[INFO] checking trc-1.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate trc 1.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate trc 1.2.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trc 1.2.3
[INFO] finished tweaking crates.io crate trc 1.2.3
[INFO] tweaked toml for crates.io crate trc 1.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 71 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67ccb35aebb6eee408a5a2ef15ab2b0b478119152062ab81cd10b69da418452b
[INFO] running `Command { std: "docker" "start" "-a" "67ccb35aebb6eee408a5a2ef15ab2b0b478119152062ab81cd10b69da418452b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ccb35aebb6eee408a5a2ef15ab2b0b478119152062ab81cd10b69da418452b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ccb35aebb6eee408a5a2ef15ab2b0b478119152062ab81cd10b69da418452b", kill_on_drop: false }`
[INFO] [stdout] 67ccb35aebb6eee408a5a2ef15ab2b0b478119152062ab81cd10b69da418452b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62fbb207480f0a0d22187a43ddd640f48dcb5e62804639f72e5a24d2d25f525a
[INFO] running `Command { std: "docker" "start" "-a" "62fbb207480f0a0d22187a43ddd640f48dcb5e62804639f72e5a24d2d25f525a", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking trc v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         this.data.as_ptr() == other.data.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::addr_eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                  ~                    +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         +++++++++++++                  ~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/lib.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         this.shared.as_ptr() == other.shared.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::addr_eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                    ~                      +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         +++++++++++++                    ~                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         this.data.as_ptr() == other.data.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::addr_eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                  ~                    +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 498 |         std::ptr::eq(this.data.as_ptr(), other.data.as_ptr())
[INFO] [stdout]     |         +++++++++++++                  ~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/lib.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         this.shared.as_ptr() == other.shared.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::addr_eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                    ~                      +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         std::ptr::eq(this.shared.as_ptr(), other.shared.as_ptr())
[INFO] [stdout]      |         +++++++++++++                    ~                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "62fbb207480f0a0d22187a43ddd640f48dcb5e62804639f72e5a24d2d25f525a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fbb207480f0a0d22187a43ddd640f48dcb5e62804639f72e5a24d2d25f525a", kill_on_drop: false }`
[INFO] [stdout] 62fbb207480f0a0d22187a43ddd640f48dcb5e62804639f72e5a24d2d25f525a