[INFO] fetching crate regex-cli 0.2.1...
[INFO] checking regex-cli-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate regex-cli 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate regex-cli 0.2.1
[INFO] finished tweaking crates.io crate regex-cli 0.2.1
[INFO] tweaked toml for crates.io crate regex-cli 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regex-cli 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regex-cli 0.2.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd76019d3eafe0bdd30aa485c8e3e909ddbc5f42d367554351aa3dcb651c64ca
[INFO] running `Command { std: "docker" "start" "-a" "fd76019d3eafe0bdd30aa485c8e3e909ddbc5f42d367554351aa3dcb651c64ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd76019d3eafe0bdd30aa485c8e3e909ddbc5f42d367554351aa3dcb651c64ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd76019d3eafe0bdd30aa485c8e3e909ddbc5f42d367554351aa3dcb651c64ca", kill_on_drop: false }`
[INFO] [stdout] fd76019d3eafe0bdd30aa485c8e3e909ddbc5f42d367554351aa3dcb651c64ca
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50268819cd2b8767e78076dee7260ea520ff40b9eff8cb966ef9fb14778965c9
[INFO] running `Command { std: "docker" "start" "-a" "50268819cd2b8767e78076dee7260ea520ff40b9eff8cb966ef9fb14778965c9", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking tabwriter v1.4.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking regex-cli v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]   --> cmd/find/half/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]   --> cmd/find/half/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "50268819cd2b8767e78076dee7260ea520ff40b9eff8cb966ef9fb14778965c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50268819cd2b8767e78076dee7260ea520ff40b9eff8cb966ef9fb14778965c9", kill_on_drop: false }`
[INFO] [stdout] 50268819cd2b8767e78076dee7260ea520ff40b9eff8cb966ef9fb14778965c9