[INFO] cloning repository https://github.com/spullara/counttokens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spullara/counttokens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspullara%2Fcounttokens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspullara%2Fcounttokens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04e6e2df9f6411ba209761134f08e77e7d5251f4
[INFO] checking spullara/counttokens against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspullara%2Fcounttokens" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spullara/counttokens 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/spullara/counttokens
[INFO] finished tweaking git repo https://github.com/spullara/counttokens
[INFO] tweaked toml for git repo https://github.com/spullara/counttokens written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/spullara/counttokens 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-tqdm v0.1.4
[INFO] [stderr]   Downloaded tiktoken-rs v0.5.8
[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] 62728e85338e389f62428d72fb650da945f6b71da9f9ea6983c3211a200b1e32
[INFO] running `Command { std: "docker" "start" "-a" "62728e85338e389f62428d72fb650da945f6b71da9f9ea6983c3211a200b1e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62728e85338e389f62428d72fb650da945f6b71da9f9ea6983c3211a200b1e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62728e85338e389f62428d72fb650da945f6b71da9f9ea6983c3211a200b1e32", kill_on_drop: false }`
[INFO] [stdout] 62728e85338e389f62428d72fb650da945f6b71da9f9ea6983c3211a200b1e32
[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] 885051cdc0033bf5ff19acd4ccb0399b6afeb87997cd4fbb0f673ad4cf50b967
[INFO] running `Command { std: "docker" "start" "-a" "885051cdc0033bf5ff19acd4ccb0399b6afeb87997cd4fbb0f673ad4cf50b967", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking simple-tqdm v0.1.4
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]     Checking tiktoken-rs v0.5.8
[INFO] [stderr]     Checking counttokens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "885051cdc0033bf5ff19acd4ccb0399b6afeb87997cd4fbb0f673ad4cf50b967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885051cdc0033bf5ff19acd4ccb0399b6afeb87997cd4fbb0f673ad4cf50b967", kill_on_drop: false }`
[INFO] [stdout] 885051cdc0033bf5ff19acd4ccb0399b6afeb87997cd4fbb0f673ad4cf50b967
[INFO] checking spullara/counttokens against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspullara%2Fcounttokens" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spullara/counttokens 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/spullara/counttokens
[INFO] finished tweaking git repo https://github.com/spullara/counttokens
[INFO] tweaked toml for git repo https://github.com/spullara/counttokens written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/spullara/counttokens 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" "+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] 81836fda7e7ce3bedd288b15df47b96226d83a8e4098376bbd966e9e4f125c2f
[INFO] running `Command { std: "docker" "start" "-a" "81836fda7e7ce3bedd288b15df47b96226d83a8e4098376bbd966e9e4f125c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81836fda7e7ce3bedd288b15df47b96226d83a8e4098376bbd966e9e4f125c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81836fda7e7ce3bedd288b15df47b96226d83a8e4098376bbd966e9e4f125c2f", kill_on_drop: false }`
[INFO] [stdout] 81836fda7e7ce3bedd288b15df47b96226d83a8e4098376bbd966e9e4f125c2f
[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] 52718773ff1de635cdc17037e3a4a57ffa789d8e0f9be081e89a0bec3d1023dc
[INFO] running `Command { std: "docker" "start" "-a" "52718773ff1de635cdc17037e3a4a57ffa789d8e0f9be081e89a0bec3d1023dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking simple-tqdm v0.1.4
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]     Checking tiktoken-rs v0.5.8
[INFO] [stderr]     Checking counttokens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "52718773ff1de635cdc17037e3a4a57ffa789d8e0f9be081e89a0bec3d1023dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52718773ff1de635cdc17037e3a4a57ffa789d8e0f9be081e89a0bec3d1023dc", kill_on_drop: false }`
[INFO] [stdout] 52718773ff1de635cdc17037e3a4a57ffa789d8e0f9be081e89a0bec3d1023dc