[INFO] fetching crate libtombala 2.3.1...
[INFO] testing libtombala-2.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate libtombala 2.3.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate libtombala 2.3.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtombala 2.3.1
[INFO] finished tweaking crates.io crate libtombala 2.3.1
[INFO] tweaked toml for crates.io crate libtombala 2.3.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13b23d6fbe81abb318db2ab18b486a63d0ed1a1fcdd02ccfbfda44b0ff7c46da
[INFO] running `Command { std: "docker" "start" "-a" "13b23d6fbe81abb318db2ab18b486a63d0ed1a1fcdd02ccfbfda44b0ff7c46da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b23d6fbe81abb318db2ab18b486a63d0ed1a1fcdd02ccfbfda44b0ff7c46da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b23d6fbe81abb318db2ab18b486a63d0ed1a1fcdd02ccfbfda44b0ff7c46da", kill_on_drop: false }`
[INFO] [stdout] 13b23d6fbe81abb318db2ab18b486a63d0ed1a1fcdd02ccfbfda44b0ff7c46da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c2080e7dea33cb1d31dc37f9ea02e3e28f2345cd1ea31f55c2ac69225a02c9d
[INFO] running `Command { std: "docker" "start" "-a" "9c2080e7dea33cb1d31dc37f9ea02e3e28f2345cd1ea31f55c2ac69225a02c9d", kill_on_drop: false }`
[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 libtombala v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "9c2080e7dea33cb1d31dc37f9ea02e3e28f2345cd1ea31f55c2ac69225a02c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2080e7dea33cb1d31dc37f9ea02e3e28f2345cd1ea31f55c2ac69225a02c9d", kill_on_drop: false }`
[INFO] [stdout] 9c2080e7dea33cb1d31dc37f9ea02e3e28f2345cd1ea31f55c2ac69225a02c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffbaee379dafba3ffedd85f3f0f1382adf3207e63d6ce404cf0f09b188dcdfc6
[INFO] running `Command { std: "docker" "start" "-a" "ffbaee379dafba3ffedd85f3f0f1382adf3207e63d6ce404cf0f09b188dcdfc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libtombala v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "ffbaee379dafba3ffedd85f3f0f1382adf3207e63d6ce404cf0f09b188dcdfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbaee379dafba3ffedd85f3f0f1382adf3207e63d6ce404cf0f09b188dcdfc6", kill_on_drop: false }`
[INFO] [stdout] ffbaee379dafba3ffedd85f3f0f1382adf3207e63d6ce404cf0f09b188dcdfc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b22f71b756ef6cd00a77add40342a176cf4ce8c49d80525b385fc316815c632
[INFO] running `Command { std: "docker" "start" "-a" "1b22f71b756ef6cd00a77add40342a176cf4ce8c49d80525b385fc316815c632", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libtombala-ef777535baaa6ae5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test card_generator::tests::examine_card ... ignored
[INFO] [stdout] test card_generator::tests::test_GenerateNCards ... ok
[INFO] [stdout] test card_generator::tests::generate_row_4_zeros ... ok
[INFO] [stdout] test card_generator::tests::row_numbers_increment_by_10 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libtombala
[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" "1b22f71b756ef6cd00a77add40342a176cf4ce8c49d80525b385fc316815c632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b22f71b756ef6cd00a77add40342a176cf4ce8c49d80525b385fc316815c632", kill_on_drop: false }`
[INFO] [stdout] 1b22f71b756ef6cd00a77add40342a176cf4ce8c49d80525b385fc316815c632