[INFO] fetching crate countries-tools 0.2.0...
[INFO] checking countries-tools-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate countries-tools 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate countries-tools 0.2.0 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 countries-tools 0.2.0
[INFO] finished tweaking crates.io crate countries-tools 0.2.0
[INFO] tweaked toml for crates.io crate countries-tools 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 76 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding parse-display v0.8.2 (latest: v0.9.0)
[INFO] [stderr]       Adding parse-display-derive v0.8.2 (latest: v0.9.0)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (latest: v0.8.3)
[INFO] [stderr]       Adding structmeta v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding structmeta-derive v0.2.0 (latest: v0.3.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse-display v0.8.2
[INFO] [stderr]   Downloaded structmeta-derive v0.2.0
[INFO] [stderr]   Downloaded structmeta v0.2.0
[INFO] [stderr]   Downloaded parse-display-derive v0.8.2
[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] c70ee8bd6193b673ded0aa57c0b1d033c0c0db8ed1ae39ca53b409fc966e8564
[INFO] running `Command { std: "docker" "start" "-a" "c70ee8bd6193b673ded0aa57c0b1d033c0c0db8ed1ae39ca53b409fc966e8564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70ee8bd6193b673ded0aa57c0b1d033c0c0db8ed1ae39ca53b409fc966e8564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70ee8bd6193b673ded0aa57c0b1d033c0c0db8ed1ae39ca53b409fc966e8564", kill_on_drop: false }`
[INFO] [stdout] c70ee8bd6193b673ded0aa57c0b1d033c0c0db8ed1ae39ca53b409fc966e8564
[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] ac956aa86af4d473170a19b7429ccfab660a7f188cb69867a2157a192056e96f
[INFO] running `Command { std: "docker" "start" "-a" "ac956aa86af4d473170a19b7429ccfab660a7f188cb69867a2157a192056e96f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling parse-display-derive v0.8.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking parse-display v0.8.2
[INFO] [stderr]     Checking countries-tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "ac956aa86af4d473170a19b7429ccfab660a7f188cb69867a2157a192056e96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac956aa86af4d473170a19b7429ccfab660a7f188cb69867a2157a192056e96f", kill_on_drop: false }`
[INFO] [stdout] ac956aa86af4d473170a19b7429ccfab660a7f188cb69867a2157a192056e96f
[INFO] checking countries-tools-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate countries-tools 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate countries-tools 0.2.0 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 countries-tools 0.2.0
[INFO] finished tweaking crates.io crate countries-tools 0.2.0
[INFO] tweaked toml for crates.io crate countries-tools 0.2.0 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]      Locking 76 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding parse-display v0.8.2 (latest: v0.9.0)
[INFO] [stderr]       Adding parse-display-derive v0.8.2 (latest: v0.9.0)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (latest: v0.8.3)
[INFO] [stderr]       Adding structmeta v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding structmeta-derive v0.2.0 (latest: v0.3.0)
[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] [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] 1b29b002339d52be236ad15ddfafef2c9aa3fde2e06ad68043fd4fd576d4e171
[INFO] running `Command { std: "docker" "start" "-a" "1b29b002339d52be236ad15ddfafef2c9aa3fde2e06ad68043fd4fd576d4e171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b29b002339d52be236ad15ddfafef2c9aa3fde2e06ad68043fd4fd576d4e171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b29b002339d52be236ad15ddfafef2c9aa3fde2e06ad68043fd4fd576d4e171", kill_on_drop: false }`
[INFO] [stdout] 1b29b002339d52be236ad15ddfafef2c9aa3fde2e06ad68043fd4fd576d4e171
[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] 25891de9fa94147ef62ba21c8b0cd688e9281bb71b30ff8926b8885111e6f84e
[INFO] running `Command { std: "docker" "start" "-a" "25891de9fa94147ef62ba21c8b0cd688e9281bb71b30ff8926b8885111e6f84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling parse-display-derive v0.8.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking parse-display v0.8.2
[INFO] [stderr]     Checking countries-tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "25891de9fa94147ef62ba21c8b0cd688e9281bb71b30ff8926b8885111e6f84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25891de9fa94147ef62ba21c8b0cd688e9281bb71b30ff8926b8885111e6f84e", kill_on_drop: false }`
[INFO] [stdout] 25891de9fa94147ef62ba21c8b0cd688e9281bb71b30ff8926b8885111e6f84e