[INFO] cloning repository https://github.com/wanjikuKim-collab/rust_files_opening_and_reading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wanjikuKim-collab/rust_files_opening_and_reading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_files_opening_and_reading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_files_opening_and_reading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 827484e72c8bff3149c970b850c108ee726c67f5
[INFO] building wanjikuKim-collab/rust_files_opening_and_reading against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_files_opening_and_reading" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wanjikuKim-collab/rust_files_opening_and_reading on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wanjikuKim-collab/rust_files_opening_and_reading
[INFO] finished tweaking git repo https://github.com/wanjikuKim-collab/rust_files_opening_and_reading
[INFO] tweaked toml for git repo https://github.com/wanjikuKim-collab/rust_files_opening_and_reading written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wanjikuKim-collab/rust_files_opening_and_reading 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed586c53e50c0dfb92251c2aa07d7b93cfab70c098da7a5460546056feaeabef
[INFO] running `Command { std: "docker" "start" "-a" "ed586c53e50c0dfb92251c2aa07d7b93cfab70c098da7a5460546056feaeabef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed586c53e50c0dfb92251c2aa07d7b93cfab70c098da7a5460546056feaeabef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed586c53e50c0dfb92251c2aa07d7b93cfab70c098da7a5460546056feaeabef", kill_on_drop: false }`
[INFO] [stdout] ed586c53e50c0dfb92251c2aa07d7b93cfab70c098da7a5460546056feaeabef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba54b73b7f86c9d1b23f5fc4e50f84531c39230abbf90fdc3a1778aea0497eb
[INFO] running `Command { std: "docker" "start" "-a" "eba54b73b7f86c9d1b23f5fc4e50f84531c39230abbf90fdc3a1778aea0497eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.86
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rust_files_opening_and_reading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `Command { std: "docker" "inspect" "eba54b73b7f86c9d1b23f5fc4e50f84531c39230abbf90fdc3a1778aea0497eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba54b73b7f86c9d1b23f5fc4e50f84531c39230abbf90fdc3a1778aea0497eb", kill_on_drop: false }`
[INFO] [stdout] eba54b73b7f86c9d1b23f5fc4e50f84531c39230abbf90fdc3a1778aea0497eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd6085ba7af9a68ccbedd913daf2c086060cc0112c176f6fc4ad7429c573ec9
[INFO] running `Command { std: "docker" "start" "-a" "2dd6085ba7af9a68ccbedd913daf2c086060cc0112c176f6fc4ad7429c573ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_files_opening_and_reading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2dd6085ba7af9a68ccbedd913daf2c086060cc0112c176f6fc4ad7429c573ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd6085ba7af9a68ccbedd913daf2c086060cc0112c176f6fc4ad7429c573ec9", kill_on_drop: false }`
[INFO] [stdout] 2dd6085ba7af9a68ccbedd913daf2c086060cc0112c176f6fc4ad7429c573ec9