[INFO] cloning repository https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-4-Gabmelom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-4-Gabmelom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47ff2a09491ad5103453429d59db13afcde459e4
[INFO] building Summer-of-Rust/sor-lab-4-Gabmelom 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%2FSummer-of-Rust%2Fsor-lab-4-Gabmelom" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom 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/Summer-of-Rust/sor-lab-4-Gabmelom
[INFO] finished tweaking git repo https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom
[INFO] tweaked toml for git repo https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Summer-of-Rust/sor-lab-4-Gabmelom 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 164c227a18474f48dd08767ebbb8d31777b47a3b2e9665f7348d201b14e941a1
[INFO] running `Command { std: "docker" "start" "-a" "164c227a18474f48dd08767ebbb8d31777b47a3b2e9665f7348d201b14e941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164c227a18474f48dd08767ebbb8d31777b47a3b2e9665f7348d201b14e941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164c227a18474f48dd08767ebbb8d31777b47a3b2e9665f7348d201b14e941a1", kill_on_drop: false }`
[INFO] [stdout] 164c227a18474f48dd08767ebbb8d31777b47a3b2e9665f7348d201b14e941a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8b03334bacea285278c25fff0f9c6c8fa2a652841b798bae0da8edfa8fd783ca
[INFO] running `Command { std: "docker" "start" "-a" "8b03334bacea285278c25fff0f9c6c8fa2a652841b798bae0da8edfa8fd783ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sor-lab-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "8b03334bacea285278c25fff0f9c6c8fa2a652841b798bae0da8edfa8fd783ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b03334bacea285278c25fff0f9c6c8fa2a652841b798bae0da8edfa8fd783ca", kill_on_drop: false }`
[INFO] [stdout] 8b03334bacea285278c25fff0f9c6c8fa2a652841b798bae0da8edfa8fd783ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ad308b00614f78c4fcdbd9d98dc9ca2b133bff3a56ab883a5410789dc78b10ef
[INFO] running `Command { std: "docker" "start" "-a" "ad308b00614f78c4fcdbd9d98dc9ca2b133bff3a56ab883a5410789dc78b10ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling sor-lab-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "ad308b00614f78c4fcdbd9d98dc9ca2b133bff3a56ab883a5410789dc78b10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad308b00614f78c4fcdbd9d98dc9ca2b133bff3a56ab883a5410789dc78b10ef", kill_on_drop: false }`
[INFO] [stdout] ad308b00614f78c4fcdbd9d98dc9ca2b133bff3a56ab883a5410789dc78b10ef