[INFO] fetching crate folo_ffi 0.1.19...
[INFO] checking folo_ffi-0.1.19 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] extracting crate folo_ffi 0.1.19 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate folo_ffi 0.1.19
[INFO] finished tweaking crates.io crate folo_ffi 0.1.19
[INFO] tweaked toml for crates.io crate folo_ffi 0.1.19 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate folo_ffi 0.1.19 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate folo_ffi 0.1.19 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutants v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2
[INFO] running `Command { std: "docker" "start" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.4
[INFO] [stderr]     Checking folo_ffi v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `testing` in the list of imported crates
[INFO] [stdout]   --> src/lib.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | ::testing::set_allocator!();
[INFO] [stdout]    |   ^^^^^^^ could not find `testing` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folo_ffi` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2", kill_on_drop: false }`
[INFO] [stdout] b7c50cf0c30962c5201c1d5b8d7ad02f6ac4ff860dede145cb407a7c444e94c2
