[INFO] fetching crate rawcmd_utils 0.1.1...
[INFO] checking rawcmd_utils-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rawcmd_utils 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rawcmd_utils 0.1.1
[INFO] finished tweaking crates.io crate rawcmd_utils 0.1.1
[INFO] tweaked toml for crates.io crate rawcmd_utils 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rawcmd_utils 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd9e46a118d62d9004ff16fdeacb7d9eeea1ee3c227ed7d4a4eaa8cdc6e36f22
[INFO] running `Command { std: "docker" "start" "-a" "dd9e46a118d62d9004ff16fdeacb7d9eeea1ee3c227ed7d4a4eaa8cdc6e36f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9e46a118d62d9004ff16fdeacb7d9eeea1ee3c227ed7d4a4eaa8cdc6e36f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9e46a118d62d9004ff16fdeacb7d9eeea1ee3c227ed7d4a4eaa8cdc6e36f22", kill_on_drop: false }`
[INFO] [stdout] dd9e46a118d62d9004ff16fdeacb7d9eeea1ee3c227ed7d4a4eaa8cdc6e36f22
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff07ce315df46ff8e62ce685a0812d6765f7bb41bc94a4ec61800f20c0702a7
[INFO] running `Command { std: "docker" "start" "-a" "dff07ce315df46ff8e62ce685a0812d6765f7bb41bc94a4ec61800f20c0702a7", kill_on_drop: false }`
[INFO] [stderr]     Checking rawcmd_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                             ^^                ----------
[INFO] [stdout]    |                             |                 | |
[INFO] [stdout]    |                             |                 | the lifetimes get resolved as `'a`
[INFO] [stdout]    |                             |                 the lifetimes get resolved as `'a`
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                                ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                             ^^                ----------
[INFO] [stdout]    |                             |                 | |
[INFO] [stdout]    |                             |                 | the lifetimes get resolved as `'a`
[INFO] [stdout]    |                             |                 the lifetimes get resolved as `'a`
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                                ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "dff07ce315df46ff8e62ce685a0812d6765f7bb41bc94a4ec61800f20c0702a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff07ce315df46ff8e62ce685a0812d6765f7bb41bc94a4ec61800f20c0702a7", kill_on_drop: false }`
[INFO] [stdout] dff07ce315df46ff8e62ce685a0812d6765f7bb41bc94a4ec61800f20c0702a7