[INFO] cloning repository https://github.com/LyricLy/spellck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LyricLy/spellck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyricLy%2Fspellck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyricLy%2Fspellck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 598982b60c051a9f684254fa172c970c6fd9af79
[INFO] checking LyricLy/spellck-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyricLy%2Fspellck-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LyricLy/spellck-rs 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 git repo https://github.com/LyricLy/spellck-rs
[INFO] finished tweaking git repo https://github.com/LyricLy/spellck-rs
[INFO] tweaked toml for git repo https://github.com/LyricLy/spellck-rs written to /workspace/builds/worker-0-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 56 packages
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[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 ureq v2.9.6
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded annotate-snippets v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] de8568c26af25889dd4ad51f9880f2f98f60b209330b5609555385758d49decf
[INFO] running `Command { std: "docker" "start" "-a" "de8568c26af25889dd4ad51f9880f2f98f60b209330b5609555385758d49decf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8568c26af25889dd4ad51f9880f2f98f60b209330b5609555385758d49decf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8568c26af25889dd4ad51f9880f2f98f60b209330b5609555385758d49decf", kill_on_drop: false }`
[INFO] [stdout] de8568c26af25889dd4ad51f9880f2f98f60b209330b5609555385758d49decf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fee7b9a607b0b6cdf8d4aa63afd7b46d17b1f4f51f19a7973f1e03b2fceae6da
[INFO] running `Command { std: "docker" "start" "-a" "fee7b9a607b0b6cdf8d4aa63afd7b46d17b1f4f51f19a7973f1e03b2fceae6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking spellck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.70s
[INFO] running `Command { std: "docker" "inspect" "fee7b9a607b0b6cdf8d4aa63afd7b46d17b1f4f51f19a7973f1e03b2fceae6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee7b9a607b0b6cdf8d4aa63afd7b46d17b1f4f51f19a7973f1e03b2fceae6da", kill_on_drop: false }`
[INFO] [stdout] fee7b9a607b0b6cdf8d4aa63afd7b46d17b1f4f51f19a7973f1e03b2fceae6da
[INFO] checking LyricLy/spellck-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyricLy%2Fspellck-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LyricLy/spellck-rs 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 git repo https://github.com/LyricLy/spellck-rs
[INFO] finished tweaking git repo https://github.com/LyricLy/spellck-rs
[INFO] tweaked toml for git repo https://github.com/LyricLy/spellck-rs written to /workspace/builds/worker-0-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 56 packages
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 216c2fd2452f83a1142fafe06f11ef9eb5a9ef5dd8bd97bc702bd13c97c84cce
[INFO] running `Command { std: "docker" "start" "-a" "216c2fd2452f83a1142fafe06f11ef9eb5a9ef5dd8bd97bc702bd13c97c84cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216c2fd2452f83a1142fafe06f11ef9eb5a9ef5dd8bd97bc702bd13c97c84cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216c2fd2452f83a1142fafe06f11ef9eb5a9ef5dd8bd97bc702bd13c97c84cce", kill_on_drop: false }`
[INFO] [stdout] 216c2fd2452f83a1142fafe06f11ef9eb5a9ef5dd8bd97bc702bd13c97c84cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 058edb2aa36832bd605c333437b3946f6e1259248f179e2cf92ae57c60a13716
[INFO] running `Command { std: "docker" "start" "-a" "058edb2aa36832bd605c333437b3946f6e1259248f179e2cf92ae57c60a13716", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking spellck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.75s
[INFO] running `Command { std: "docker" "inspect" "058edb2aa36832bd605c333437b3946f6e1259248f179e2cf92ae57c60a13716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058edb2aa36832bd605c333437b3946f6e1259248f179e2cf92ae57c60a13716", kill_on_drop: false }`
[INFO] [stdout] 058edb2aa36832bd605c333437b3946f6e1259248f179e2cf92ae57c60a13716