[INFO] cloning repository https://github.com/gkgoat1/bb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gkgoat1/bb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgkgoat1%2Fbb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgkgoat1%2Fbb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d1f3bc8b93ae0322234e258386f9853e9fa5333
[INFO] building gkgoat1/bb 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%2Fgkgoat1%2Fbb" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gkgoat1/bb 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/gkgoat1/bb
[INFO] finished tweaking git repo https://github.com/gkgoat1/bb
[INFO] tweaked toml for git repo https://github.com/gkgoat1/bb written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gkgoat1/bb 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e3a160083e9c3826a96163f1c4ed29c2dd38fbfe19591ccb35c733322f48a8e6
[INFO] running `Command { std: "docker" "start" "-a" "e3a160083e9c3826a96163f1c4ed29c2dd38fbfe19591ccb35c733322f48a8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a160083e9c3826a96163f1c4ed29c2dd38fbfe19591ccb35c733322f48a8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a160083e9c3826a96163f1c4ed29c2dd38fbfe19591ccb35c733322f48a8e6", kill_on_drop: false }`
[INFO] [stdout] e3a160083e9c3826a96163f1c4ed29c2dd38fbfe19591ccb35c733322f48a8e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e302539f854dc227f1c3af78afdbc0b08f926fdfdafae529b78ba4c5172f9ddb
[INFO] running `Command { std: "docker" "start" "-a" "e302539f854dc227f1c3af78afdbc0b08f926fdfdafae529b78ba4c5172f9ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling skol v0.1.0 (/opt/rustwide/workdir/skol)
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> skol/src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling skull v0.1.0 (/opt/rustwide/workdir/skull)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "e302539f854dc227f1c3af78afdbc0b08f926fdfdafae529b78ba4c5172f9ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e302539f854dc227f1c3af78afdbc0b08f926fdfdafae529b78ba4c5172f9ddb", kill_on_drop: false }`
[INFO] [stdout] e302539f854dc227f1c3af78afdbc0b08f926fdfdafae529b78ba4c5172f9ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 86130f6405a1901ffb3c8c5a7e78f3411b8ac0d1d5736cb9f250a3e125e236f6
[INFO] running `Command { std: "docker" "start" "-a" "86130f6405a1901ffb3c8c5a7e78f3411b8ac0d1d5736cb9f250a3e125e236f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling skol v0.1.0 (/opt/rustwide/workdir/skol)
[INFO] [stderr]    Compiling skull v0.1.0 (/opt/rustwide/workdir/skull)
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> skol/src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> skol/src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fmt::Display};
[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 0.39s
[INFO] running `Command { std: "docker" "inspect" "86130f6405a1901ffb3c8c5a7e78f3411b8ac0d1d5736cb9f250a3e125e236f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86130f6405a1901ffb3c8c5a7e78f3411b8ac0d1d5736cb9f250a3e125e236f6", kill_on_drop: false }`
[INFO] [stdout] 86130f6405a1901ffb3c8c5a7e78f3411b8ac0d1d5736cb9f250a3e125e236f6