[INFO] cloning repository https://github.com/hderms/flagger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hderms/flagger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fflagger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fflagger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df74b32acf140ea2a959e63edb5760dcd4cde769
[INFO] testing hderms/flagger against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fflagger" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hderms/flagger on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hderms/flagger
[INFO] finished tweaking git repo https://github.com/hderms/flagger
[INFO] tweaked toml for git repo https://github.com/hderms/flagger written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/hderms/flagger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aead24cd82efcecfc278f763840c68d313337d87ec70862d3e971f917b0d7a05
[INFO] running `Command { std: "docker" "start" "-a" "aead24cd82efcecfc278f763840c68d313337d87ec70862d3e971f917b0d7a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aead24cd82efcecfc278f763840c68d313337d87ec70862d3e971f917b0d7a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aead24cd82efcecfc278f763840c68d313337d87ec70862d3e971f917b0d7a05", kill_on_drop: false }`
[INFO] [stdout] aead24cd82efcecfc278f763840c68d313337d87ec70862d3e971f917b0d7a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861ace707f75302c3a8909c5df36979ab19db772f2dbad4dac6a39f7a4088402
[INFO] running `Command { std: "docker" "start" "-a" "861ace707f75302c3a8909c5df36979ab19db772f2dbad4dac6a39f7a4088402", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling flagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.60s
[INFO] running `Command { std: "docker" "inspect" "861ace707f75302c3a8909c5df36979ab19db772f2dbad4dac6a39f7a4088402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ace707f75302c3a8909c5df36979ab19db772f2dbad4dac6a39f7a4088402", kill_on_drop: false }`
[INFO] [stdout] 861ace707f75302c3a8909c5df36979ab19db772f2dbad4dac6a39f7a4088402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dce5d138cf40c140db28121e87350af0e70300847f00e2a16918e9b062c67299
[INFO] running `Command { std: "docker" "start" "-a" "dce5d138cf40c140db28121e87350af0e70300847f00e2a16918e9b062c67299", kill_on_drop: false }`
[INFO] [stderr]    Compiling flagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "dce5d138cf40c140db28121e87350af0e70300847f00e2a16918e9b062c67299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce5d138cf40c140db28121e87350af0e70300847f00e2a16918e9b062c67299", kill_on_drop: false }`
[INFO] [stdout] dce5d138cf40c140db28121e87350af0e70300847f00e2a16918e9b062c67299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e87d1033f4006fbec47396367d90cf83e15ca00b20704ca91debf12d5c8681c8
[INFO] running `Command { std: "docker" "start" "-a" "e87d1033f4006fbec47396367d90cf83e15ca00b20704ca91debf12d5c8681c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flagger-2e6cf8e48716e7e3)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test flagger::test::it_demonstrates_that_inverting_and_setting_together_form_fill ... ok
[INFO] [stdout] test flagger::test::it_fills_binary_numbers ... ok
[INFO] [stdout] test flagger::test::it_sets_a_binary_digit ... ok
[INFO] [stdout] test flagger::test::it_inverts_digits ... ok
[INFO] [stdout] test flagger::test::it_parses_representations_from_string ... ok
[INFO] [stdout] test flagger::test::it_fills_binary_numbers_for_powers_of_two ... ok
[INFO] [stdout] test flagger::test::it_formats_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flagger-956c145310883ade)
[INFO] [stdout] test flagger::test::it_fills_binary_numbers_for_powers_of_two ... ok
[INFO] [stdout] test flagger::test::it_formats_output ... ok
[INFO] [stdout] test flagger::test::it_inverts_digits ... ok
[INFO] [stdout] test flagger::test::it_parses_representations_from_string ... ok
[INFO] [stdout] test flagger::test::it_demonstrates_that_inverting_and_setting_together_form_fill ... ok
[INFO] [stdout] test flagger::test::it_sets_a_binary_digit ... ok
[INFO] [stdout] test flagger::test::it_fills_binary_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flagger
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/flagger.rs - flagger::commands::fill (line 43) ... ok
[INFO] [stdout] test src/flagger.rs - flagger::commands::invert (line 72) ... ok
[INFO] [stdout] test src/flagger.rs - flagger::commands::set (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e87d1033f4006fbec47396367d90cf83e15ca00b20704ca91debf12d5c8681c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87d1033f4006fbec47396367d90cf83e15ca00b20704ca91debf12d5c8681c8", kill_on_drop: false }`
[INFO] [stdout] e87d1033f4006fbec47396367d90cf83e15ca00b20704ca91debf12d5c8681c8