[INFO] cloning repository https://github.com/evanj/buffersizebench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evanj/buffersizebench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanj%2Fbuffersizebench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanj%2Fbuffersizebench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec7caba5aed5c0c78e9d570df5641173816f77db [INFO] checking evanj/buffersizebench against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanj%2Fbuffersizebench" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/evanj/buffersizebench [INFO] finished tweaking git repo https://github.com/evanj/buffersizebench [INFO] tweaked toml for git repo https://github.com/evanj/buffersizebench written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/evanj/buffersizebench on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/evanj/buffersizebench 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded argh_shared v0.1.12 [INFO] [stderr] Downloaded argh_derive v0.1.12 [INFO] [stderr] Downloaded argh v0.1.12 [INFO] [stderr] Downloaded proc-macro2 v1.0.84 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc146f8c41a44c21a606f3e713b72c8a15c2464024ad621efc12513599a07753 [INFO] running `Command { std: "docker" "start" "-a" "cc146f8c41a44c21a606f3e713b72c8a15c2464024ad621efc12513599a07753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc146f8c41a44c21a606f3e713b72c8a15c2464024ad621efc12513599a07753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc146f8c41a44c21a606f3e713b72c8a15c2464024ad621efc12513599a07753", kill_on_drop: false }` [INFO] [stdout] cc146f8c41a44c21a606f3e713b72c8a15c2464024ad621efc12513599a07753 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8bb7fe3840300083c404192a4f41622ec7c58f4e8da7cab6ed12f2d2110aadc [INFO] running `Command { std: "docker" "start" "-a" "e8bb7fe3840300083c404192a4f41622ec7c58f4e8da7cab6ed12f2d2110aadc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Checking argh_shared v0.1.12 [INFO] [stderr] Compiling argh_derive v0.1.12 [INFO] [stderr] Checking argh v0.1.12 [INFO] [stderr] Checking buffersizebench v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.10s [INFO] running `Command { std: "docker" "inspect" "e8bb7fe3840300083c404192a4f41622ec7c58f4e8da7cab6ed12f2d2110aadc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8bb7fe3840300083c404192a4f41622ec7c58f4e8da7cab6ed12f2d2110aadc", kill_on_drop: false }` [INFO] [stdout] e8bb7fe3840300083c404192a4f41622ec7c58f4e8da7cab6ed12f2d2110aadc