[INFO] cloning repository https://github.com/Seasons-of-Rust/sor-lab-4-andGuo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Seasons-of-Rust/sor-lab-4-andGuo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeasons-of-Rust%2Fsor-lab-4-andGuo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeasons-of-Rust%2Fsor-lab-4-andGuo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2ddf60efa65cee0534c03a6ba990b242206774c
[INFO] building Seasons-of-Rust/sor-lab-4-andGuo 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%2FSeasons-of-Rust%2Fsor-lab-4-andGuo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Seasons-of-Rust/sor-lab-4-andGuo 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/Seasons-of-Rust/sor-lab-4-andGuo
[INFO] finished tweaking git repo https://github.com/Seasons-of-Rust/sor-lab-4-andGuo
[INFO] tweaked toml for git repo https://github.com/Seasons-of-Rust/sor-lab-4-andGuo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Seasons-of-Rust/sor-lab-4-andGuo 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 032c7e27fb7aba968d05f497648700921df275180c9e2e1c386ed05a1d5174c2
[INFO] running `Command { std: "docker" "start" "-a" "032c7e27fb7aba968d05f497648700921df275180c9e2e1c386ed05a1d5174c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "032c7e27fb7aba968d05f497648700921df275180c9e2e1c386ed05a1d5174c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032c7e27fb7aba968d05f497648700921df275180c9e2e1c386ed05a1d5174c2", kill_on_drop: false }`
[INFO] [stdout] 032c7e27fb7aba968d05f497648700921df275180c9e2e1c386ed05a1d5174c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3818f61e7d7efddf9d8b5337fb1191f9bf4c5bf78687c384ab305040f8346b01
[INFO] running `Command { std: "docker" "start" "-a" "3818f61e7d7efddf9d8b5337fb1191f9bf4c5bf78687c384ab305040f8346b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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] [stdout] warning: unused import: `slice::Windows`
[INFO] [stdout]  --> src/shop.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, slice::Windows};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "3818f61e7d7efddf9d8b5337fb1191f9bf4c5bf78687c384ab305040f8346b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3818f61e7d7efddf9d8b5337fb1191f9bf4c5bf78687c384ab305040f8346b01", kill_on_drop: false }`
[INFO] [stdout] 3818f61e7d7efddf9d8b5337fb1191f9bf4c5bf78687c384ab305040f8346b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e72d9d2f4c266b8f5147f7dd34c2f8f9a1596c990a58449896beb8f3d3bdd03c
[INFO] running `Command { std: "docker" "start" "-a" "e72d9d2f4c266b8f5147f7dd34c2f8f9a1596c990a58449896beb8f3d3bdd03c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sor-lab-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `slice::Windows`
[INFO] [stdout]  --> src/shop.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, slice::Windows};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e72d9d2f4c266b8f5147f7dd34c2f8f9a1596c990a58449896beb8f3d3bdd03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72d9d2f4c266b8f5147f7dd34c2f8f9a1596c990a58449896beb8f3d3bdd03c", kill_on_drop: false }`
[INFO] [stdout] e72d9d2f4c266b8f5147f7dd34c2f8f9a1596c990a58449896beb8f3d3bdd03c