[INFO] fetching crate crispr_guessing_game 1.2.1...
[INFO] testing crispr_guessing_game-1.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate crispr_guessing_game 1.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crispr_guessing_game 1.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crispr_guessing_game 1.2.1
[INFO] finished tweaking crates.io crate crispr_guessing_game 1.2.1
[INFO] tweaked toml for crates.io crate crispr_guessing_game 1.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate crispr_guessing_game 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3854826fe38a7781d72dffd00032be51c1cc6b9c0e51c1d6e48bbecf992baf
[INFO] running `Command { std: "docker" "start" "-a" "ec3854826fe38a7781d72dffd00032be51c1cc6b9c0e51c1d6e48bbecf992baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3854826fe38a7781d72dffd00032be51c1cc6b9c0e51c1d6e48bbecf992baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3854826fe38a7781d72dffd00032be51c1cc6b9c0e51c1d6e48bbecf992baf", kill_on_drop: false }`
[INFO] [stdout] ec3854826fe38a7781d72dffd00032be51c1cc6b9c0e51c1d6e48bbecf992baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6aa83eedf71dbe8b798118b9d4560340562cb441745a15b79d08df97871c8e0
[INFO] running `Command { std: "docker" "start" "-a" "d6aa83eedf71dbe8b798118b9d4560340562cb441745a15b79d08df97871c8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[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 crispr_guessing_game v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "d6aa83eedf71dbe8b798118b9d4560340562cb441745a15b79d08df97871c8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6aa83eedf71dbe8b798118b9d4560340562cb441745a15b79d08df97871c8e0", kill_on_drop: false }`
[INFO] [stdout] d6aa83eedf71dbe8b798118b9d4560340562cb441745a15b79d08df97871c8e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8590619bdd4627f3750fdd9f16063f6b0af5a7f4aed67bda2aee3bf75f04e3c2
[INFO] running `Command { std: "docker" "start" "-a" "8590619bdd4627f3750fdd9f16063f6b0af5a7f4aed67bda2aee3bf75f04e3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crispr_guessing_game v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/crispr_guessing_game-aace3a0a507b2858)
[INFO] running `Command { std: "docker" "inspect" "8590619bdd4627f3750fdd9f16063f6b0af5a7f4aed67bda2aee3bf75f04e3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8590619bdd4627f3750fdd9f16063f6b0af5a7f4aed67bda2aee3bf75f04e3c2", kill_on_drop: false }`
[INFO] [stdout] 8590619bdd4627f3750fdd9f16063f6b0af5a7f4aed67bda2aee3bf75f04e3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12d3fcb98a992eaf2b7ac0bcbc009ac6b2a8f27ff4f5160cc7a97edb31358438
[INFO] running `Command { std: "docker" "start" "-a" "12d3fcb98a992eaf2b7ac0bcbc009ac6b2a8f27ff4f5160cc7a97edb31358438", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crispr_guessing_game-aace3a0a507b2858)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12d3fcb98a992eaf2b7ac0bcbc009ac6b2a8f27ff4f5160cc7a97edb31358438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d3fcb98a992eaf2b7ac0bcbc009ac6b2a8f27ff4f5160cc7a97edb31358438", kill_on_drop: false }`
[INFO] [stdout] 12d3fcb98a992eaf2b7ac0bcbc009ac6b2a8f27ff4f5160cc7a97edb31358438