[INFO] fetching crate variadic_from 0.50.0...
[INFO] checking variadic_from-0.50.0 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] extracting crate variadic_from 0.50.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate variadic_from 0.50.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate variadic_from 0.50.0
[INFO] tweaked toml for crates.io crate variadic_from 0.50.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variadic_from 0.50.0 on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variadic_from 0.50.0 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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded component_model_types v0.19.0
[INFO] [stderr]   Downloaded clone_dyn_types v0.42.0
[INFO] [stderr]   Downloaded trybuild v1.0.111
[INFO] [stderr]   Downloaded diagnostics_tools v0.11.0
[INFO] [stderr]   Downloaded collection_tools v0.18.0
[INFO] [stderr]   Downloaded toml_parser v1.0.3
[INFO] [stderr]   Downloaded mem_tools v0.9.0
[INFO] [stderr]   Downloaded macro_tools v0.76.0
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded toml_datetime v0.7.2
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] [stderr]   Downloaded collection_tools v0.33.0
[INFO] [stderr]   Downloaded interval_adapter v0.38.0
[INFO] [stderr]   Downloaded iter_tools v0.42.0
[INFO] [stderr]   Downloaded variadic_from_meta v0.21.0
[INFO] [stderr]   Downloaded error_tools v0.22.0
[INFO] [stderr]   Downloaded impls_index_meta v0.13.0
[INFO] [stderr]   Downloaded impls_index v0.11.0
[INFO] [stderr]   Downloaded implements v0.13.0
[INFO] [stderr]   Downloaded inspect_type v0.16.0
[INFO] [stderr]   Downloaded is_slice v0.14.0
[INFO] [stderr]   Downloaded typing_tools v0.11.0
[INFO] [stderr]   Downloaded test_tools v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d20b98efa93851212e9b2246afa4ad6cbd28dc902459a5e53c558ce4b5850594
[INFO] running `Command { std: "docker" "start" "-a" "d20b98efa93851212e9b2246afa4ad6cbd28dc902459a5e53c558ce4b5850594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20b98efa93851212e9b2246afa4ad6cbd28dc902459a5e53c558ce4b5850594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20b98efa93851212e9b2246afa4ad6cbd28dc902459a5e53c558ce4b5850594", kill_on_drop: false }`
[INFO] [stdout] d20b98efa93851212e9b2246afa4ad6cbd28dc902459a5e53c558ce4b5850594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 344fcae73d6c4821ef0bdf511dc02742da42ef5d52af5c8e8a47cb3dfe602115
[INFO] running `Command { std: "docker" "start" "-a" "344fcae73d6c4821ef0bdf511dc02742da42ef5d52af5c8e8a47cb3dfe602115", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling inspect_type v0.16.0
[INFO] [stderr]    Compiling collection_tools v0.33.0
[INFO] [stderr]    Compiling clone_dyn_types v0.42.0
[INFO] [stderr]    Compiling component_model_types v0.19.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling interval_adapter v0.38.0
[INFO] [stderr]     Checking toml_writer v1.0.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling test_tools v0.16.0
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking implements v0.13.0
[INFO] [stderr]     Checking is_slice v0.14.0
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking toml_parser v1.0.3
[INFO] [stderr]     Checking typing_tools v0.11.0
[INFO] [stderr]     Checking diagnostics_tools v0.11.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mem_tools v0.9.0
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling iter_tools v0.42.0
[INFO] [stderr]     Checking collection_tools v0.18.0
[INFO] [stderr]     Checking toml_datetime v0.7.2
[INFO] [stderr]     Checking serde_spanned v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking toml v0.9.7
[INFO] [stderr]    Compiling macro_tools v0.76.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling impls_index_meta v0.13.0
[INFO] [stderr]    Compiling variadic_from_meta v0.21.0
[INFO] [stderr]     Checking impls_index v0.11.0
[INFO] [stderr]     Checking variadic_from v0.50.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking error_tools v0.22.0
[INFO] [stderr]     Checking trybuild v1.0.111
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.33s
[INFO] running `Command { std: "docker" "inspect" "344fcae73d6c4821ef0bdf511dc02742da42ef5d52af5c8e8a47cb3dfe602115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344fcae73d6c4821ef0bdf511dc02742da42ef5d52af5c8e8a47cb3dfe602115", kill_on_drop: false }`
[INFO] [stdout] 344fcae73d6c4821ef0bdf511dc02742da42ef5d52af5c8e8a47cb3dfe602115