[INFO] fetching crate lading-throttle 0.1.0...
[INFO] checking lading-throttle-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate lading-throttle 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lading-throttle 0.1.0 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 lading-throttle 0.1.0
[INFO] finished tweaking crates.io crate lading-throttle 0.1.0
[INFO] tweaked toml for crates.io crate lading-throttle 0.1.0 written to /workspace/builds/worker-1-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 74 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding metrics v0.21.1 (latest: v0.22.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.3.0
[INFO] [stderr]   Downloaded metrics-macros v0.7.1
[INFO] [stderr]   Downloaded metrics v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 864a491f44185defce2241243ec495b1b4d76f61b8c5eb59937eb4a4b77fc53f
[INFO] running `Command { std: "docker" "start" "-a" "864a491f44185defce2241243ec495b1b4d76f61b8c5eb59937eb4a4b77fc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864a491f44185defce2241243ec495b1b4d76f61b8c5eb59937eb4a4b77fc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864a491f44185defce2241243ec495b1b4d76f61b8c5eb59937eb4a4b77fc53f", kill_on_drop: false }`
[INFO] [stdout] 864a491f44185defce2241243ec495b1b4d76f61b8c5eb59937eb4a4b77fc53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f951a322d5d2a688e347f558895e19e26e33a98d25522d3bf5fe9a03a84f1386
[INFO] running `Command { std: "docker" "start" "-a" "f951a322d5d2a688e347f558895e19e26e33a98d25522d3bf5fe9a03a84f1386", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling metrics-macros v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking metrics v0.21.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking lading-throttle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.49s
[INFO] running `Command { std: "docker" "inspect" "f951a322d5d2a688e347f558895e19e26e33a98d25522d3bf5fe9a03a84f1386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f951a322d5d2a688e347f558895e19e26e33a98d25522d3bf5fe9a03a84f1386", kill_on_drop: false }`
[INFO] [stdout] f951a322d5d2a688e347f558895e19e26e33a98d25522d3bf5fe9a03a84f1386
[INFO] checking lading-throttle-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate lading-throttle 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate lading-throttle 0.1.0 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 lading-throttle 0.1.0
[INFO] finished tweaking crates.io crate lading-throttle 0.1.0
[INFO] tweaked toml for crates.io crate lading-throttle 0.1.0 written to /workspace/builds/worker-1-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]      Locking 74 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding metrics v0.21.1 (latest: v0.22.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b96aa5406797ee2b99fd17f3705282d3fa8d2d0ac285c176f82e429030efd3a
[INFO] running `Command { std: "docker" "start" "-a" "2b96aa5406797ee2b99fd17f3705282d3fa8d2d0ac285c176f82e429030efd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b96aa5406797ee2b99fd17f3705282d3fa8d2d0ac285c176f82e429030efd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b96aa5406797ee2b99fd17f3705282d3fa8d2d0ac285c176f82e429030efd3a", kill_on_drop: false }`
[INFO] [stdout] 2b96aa5406797ee2b99fd17f3705282d3fa8d2d0ac285c176f82e429030efd3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b26a4cf709e1fad8ef1d60eb1b3059a2714b88b7dbe3b8520fb94fe5174b0e80
[INFO] running `Command { std: "docker" "start" "-a" "b26a4cf709e1fad8ef1d60eb1b3059a2714b88b7dbe3b8520fb94fe5174b0e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling metrics-macros v0.7.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking metrics v0.21.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking lading-throttle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.86s
[INFO] running `Command { std: "docker" "inspect" "b26a4cf709e1fad8ef1d60eb1b3059a2714b88b7dbe3b8520fb94fe5174b0e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26a4cf709e1fad8ef1d60eb1b3059a2714b88b7dbe3b8520fb94fe5174b0e80", kill_on_drop: false }`
[INFO] [stdout] b26a4cf709e1fad8ef1d60eb1b3059a2714b88b7dbe3b8520fb94fe5174b0e80