[INFO] fetching crate tiktoken-rs 0.7.0...
[INFO] building tiktoken-rs-0.7.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tiktoken-rs 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tiktoken-rs 0.7.0
[INFO] finished tweaking crates.io crate tiktoken-rs 0.7.0
[INFO] tweaked toml for crates.io crate tiktoken-rs 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiktoken-rs 0.7.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiktoken-rs 0.7.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5efbd54f194de2016ca06c9c7408dc2f87454bebf780a84caeb925913fdc407
[INFO] running `Command { std: "docker" "start" "-a" "c5efbd54f194de2016ca06c9c7408dc2f87454bebf780a84caeb925913fdc407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5efbd54f194de2016ca06c9c7408dc2f87454bebf780a84caeb925913fdc407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5efbd54f194de2016ca06c9c7408dc2f87454bebf780a84caeb925913fdc407", kill_on_drop: false }`
[INFO] [stdout] c5efbd54f194de2016ca06c9c7408dc2f87454bebf780a84caeb925913fdc407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8e0ca07f9d4721c210fb5fd6c583ba20bf438e89711f8c906dfa807167f9eb
[INFO] running `Command { std: "docker" "start" "-a" "5b8e0ca07f9d4721c210fb5fd6c583ba20bf438e89711f8c906dfa807167f9eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling fancy-regex v0.13.0
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tiktoken-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DecodeError` is never constructed
[INFO] [stdout]    --> src/vendor_tiktoken.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct DecodeError {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "5b8e0ca07f9d4721c210fb5fd6c583ba20bf438e89711f8c906dfa807167f9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8e0ca07f9d4721c210fb5fd6c583ba20bf438e89711f8c906dfa807167f9eb", kill_on_drop: false }`
[INFO] [stdout] 5b8e0ca07f9d4721c210fb5fd6c583ba20bf438e89711f8c906dfa807167f9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a4f47bb442cfeaf6ca2ea78db5a6b81b76c0b91c1b77f44662761b008919b1
[INFO] running `Command { std: "docker" "start" "-a" "81a4f47bb442cfeaf6ca2ea78db5a6b81b76c0b91c1b77f44662761b008919b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiktoken-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DecodeError` is never constructed
[INFO] [stdout]    --> src/vendor_tiktoken.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct DecodeError {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecodeError` is never constructed
[INFO] [stdout]    --> src/vendor_tiktoken.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct DecodeError {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "81a4f47bb442cfeaf6ca2ea78db5a6b81b76c0b91c1b77f44662761b008919b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a4f47bb442cfeaf6ca2ea78db5a6b81b76c0b91c1b77f44662761b008919b1", kill_on_drop: false }`
[INFO] [stdout] 81a4f47bb442cfeaf6ca2ea78db5a6b81b76c0b91c1b77f44662761b008919b1