[INFO] fetching crate preftool-clap 0.2.0...
[INFO] checking preftool-clap-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate preftool-clap 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate preftool-clap 0.2.0
[INFO] finished tweaking crates.io crate preftool-clap 0.2.0
[INFO] tweaked toml for crates.io crate preftool-clap 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool-clap 0.2.0 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 46 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.1)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.40)
[INFO] [stderr]       Adding slog-stdlog v3.0.5 (available: v4.1.1)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9aa28845c4ac45eb96dbed5e93128ef9110f56247cbc26a336a217a12972b5b
[INFO] running `Command { std: "docker" "start" "-a" "d9aa28845c4ac45eb96dbed5e93128ef9110f56247cbc26a336a217a12972b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9aa28845c4ac45eb96dbed5e93128ef9110f56247cbc26a336a217a12972b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9aa28845c4ac45eb96dbed5e93128ef9110f56247cbc26a336a217a12972b5b", kill_on_drop: false }`
[INFO] [stdout] d9aa28845c4ac45eb96dbed5e93128ef9110f56247cbc26a336a217a12972b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 29f94cb5f6725b97a608378dfd6cd560be037f187ed3a4488e264c54f7ebe697
[INFO] running `Command { std: "docker" "start" "-a" "29f94cb5f6725b97a608378dfd6cd560be037f187ed3a4488e264c54f7ebe697", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking caseless v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-clap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "29f94cb5f6725b97a608378dfd6cd560be037f187ed3a4488e264c54f7ebe697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f94cb5f6725b97a608378dfd6cd560be037f187ed3a4488e264c54f7ebe697", kill_on_drop: false }`
[INFO] [stdout] 29f94cb5f6725b97a608378dfd6cd560be037f187ed3a4488e264c54f7ebe697