[INFO] fetching crate digits_iterator 0.1.0...
[INFO] testing digits_iterator-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate digits_iterator 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate digits_iterator 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate digits_iterator 0.1.0
[INFO] finished tweaking crates.io crate digits_iterator 0.1.0
[INFO] tweaked toml for crates.io crate digits_iterator 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d882e275f95a1ea30bec2f98aa271306c7e60171fe58d2fc36f0f1aba4a8eed4
[INFO] running `Command { std: "docker" "start" "-a" "d882e275f95a1ea30bec2f98aa271306c7e60171fe58d2fc36f0f1aba4a8eed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d882e275f95a1ea30bec2f98aa271306c7e60171fe58d2fc36f0f1aba4a8eed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d882e275f95a1ea30bec2f98aa271306c7e60171fe58d2fc36f0f1aba4a8eed4", kill_on_drop: false }`
[INFO] [stdout] d882e275f95a1ea30bec2f98aa271306c7e60171fe58d2fc36f0f1aba4a8eed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae32a4e3258e9d8c32ceebc0def5c7f8d8773a81d759f7f23f6f5cbaf35f311e
[INFO] running `Command { std: "docker" "start" "-a" "ae32a4e3258e9d8c32ceebc0def5c7f8d8773a81d759f7f23f6f5cbaf35f311e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling digits_iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "ae32a4e3258e9d8c32ceebc0def5c7f8d8773a81d759f7f23f6f5cbaf35f311e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae32a4e3258e9d8c32ceebc0def5c7f8d8773a81d759f7f23f6f5cbaf35f311e", kill_on_drop: false }`
[INFO] [stdout] ae32a4e3258e9d8c32ceebc0def5c7f8d8773a81d759f7f23f6f5cbaf35f311e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8c0f5b10edc4e516d1d85a2e254dc7ffb978944106182865297bc6242c1045
[INFO] running `Command { std: "docker" "start" "-a" "da8c0f5b10edc4e516d1d85a2e254dc7ffb978944106182865297bc6242c1045", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "da8c0f5b10edc4e516d1d85a2e254dc7ffb978944106182865297bc6242c1045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8c0f5b10edc4e516d1d85a2e254dc7ffb978944106182865297bc6242c1045", kill_on_drop: false }`
[INFO] [stdout] da8c0f5b10edc4e516d1d85a2e254dc7ffb978944106182865297bc6242c1045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca706aee8427e6ce565ce87c3c5d0dba2d768f40d1b3d4172ef99c43f855753f
[INFO] running `Command { std: "docker" "start" "-a" "ca706aee8427e6ce565ce87c3c5d0dba2d768f40d1b3d4172ef99c43f855753f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/digits_iterator-b68da91362348138)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test digits::tests::iteration_for_0 ... ok
[INFO] [stdout] test digits::tests::iteration_for_1_digit ... ok
[INFO] [stdout] test digits::tests::iteration_for_a_multiple_of_the_base ... ok
[INFO] [stdout] test digits::tests::iteration_for_some_number ... ok
[INFO] [stdout] test digits::tests::iteration_for_the_max_value ... ok
[INFO] [stdout] test digits::tests::iteration_with_hexa_number ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_0 ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_1_digit ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_a_multiple_of_the_base ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_some_number ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_the_max_value ... ok
[INFO] [stdout] test tests::simple_extension_test ... ok
[INFO] [stdout] test tests::invalid_base_1 - should panic ... ok
[INFO] [stdout] test tests::invalid_base_37 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests digits_iterator
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - DigitsExtension::digits_with_base (line 60) ... ok
[INFO] [stdout] test src/lib.rs - DigitsExtension::digits (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca706aee8427e6ce565ce87c3c5d0dba2d768f40d1b3d4172ef99c43f855753f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca706aee8427e6ce565ce87c3c5d0dba2d768f40d1b3d4172ef99c43f855753f", kill_on_drop: false }`
[INFO] [stdout] ca706aee8427e6ce565ce87c3c5d0dba2d768f40d1b3d4172ef99c43f855753f