[INFO] cloning repository https://github.com/wfraser/dc4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/dc4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5c33bb7227c15f15b04a43b41d6836f086e7c0d
[INFO] testing wfraser/dc4 against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/dc4 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/wfraser/dc4
[INFO] finished tweaking git repo https://github.com/wfraser/dc4
[INFO] tweaked toml for git repo https://github.com/wfraser/dc4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/dc4 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 73a4f301e665344601f839199a2f7c8eb608a4ca34afb86c4f9fbb456ea42803
[INFO] running `Command { std: "docker" "start" "-a" "73a4f301e665344601f839199a2f7c8eb608a4ca34afb86c4f9fbb456ea42803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a4f301e665344601f839199a2f7c8eb608a4ca34afb86c4f9fbb456ea42803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a4f301e665344601f839199a2f7c8eb608a4ca34afb86c4f9fbb456ea42803", kill_on_drop: false }`
[INFO] [stdout] 73a4f301e665344601f839199a2f7c8eb608a4ca34afb86c4f9fbb456ea42803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 920501cd5f7c6335e085ebf675d81f85ada2ee314f25b6586865471671e9b86e
[INFO] running `Command { std: "docker" "start" "-a" "920501cd5f7c6335e085ebf675d81f85ada2ee314f25b6586865471671e9b86e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dc4 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "920501cd5f7c6335e085ebf675d81f85ada2ee314f25b6586865471671e9b86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920501cd5f7c6335e085ebf675d81f85ada2ee314f25b6586865471671e9b86e", kill_on_drop: false }`
[INFO] [stdout] 920501cd5f7c6335e085ebf675d81f85ada2ee314f25b6586865471671e9b86e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 73bbe9083119f9426acd0b94c2b730a6fa77489b75fbe6977267391cacd989d8
[INFO] running `Command { std: "docker" "start" "-a" "73bbe9083119f9426acd0b94c2b730a6fa77489b75fbe6977267391cacd989d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling dc4 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "73bbe9083119f9426acd0b94c2b730a6fa77489b75fbe6977267391cacd989d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73bbe9083119f9426acd0b94c2b730a6fa77489b75fbe6977267391cacd989d8", kill_on_drop: false }`
[INFO] [stdout] 73bbe9083119f9426acd0b94c2b730a6fa77489b75fbe6977267391cacd989d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7ce4e6b26e33f7b2f6554537b8747bf967ff5bc635c1e9f29aa3d3f24ceeafbc
[INFO] running `Command { std: "docker" "start" "-a" "7ce4e6b26e33f7b2f6554537b8747bf967ff5bc635c1e9f29aa3d3f24ceeafbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dc4-1b0728ab857acf1b)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test big_real::test_add ... ok
[INFO] [stdout] test big_real::test_eq ... ok
[INFO] [stdout] test big_real::test_div2 ... ok
[INFO] [stdout] test big_real::test_div1 ... ok
[INFO] [stdout] test big_real::test_mul1 ... ok
[INFO] [stdout] test big_real::test_sub ... ok
[INFO] [stdout] test big_real::test_cmp ... ok
[INFO] [stdout] test big_real::test_new ... ok
[INFO] [stdout] test big_real::test_mul2 ... ok
[INFO] [stdout] test big_real::test_str2 ... ok
[INFO] [stdout] test big_real::test_str1 ... ok
[INFO] [stdout] test big_real::test_simplify ... ok
[INFO] [stdout] test big_real::test_rem1 ... ok
[INFO] [stdout] test big_real::test_pow_frac ... ok
[INFO] [stdout] test big_real::test_rem2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dc4-caf782a4fd1bf5dc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/testlib.rs (/opt/rustwide/target/debug/deps/testlib-3e01b5e5ebc14396)
[INFO] [stdout] test test_parseargs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test test_at ... ok
[INFO] [stdout] test test_char_print_with_scale ... ok
[INFO] [stdout] test test_noop ... ok
[INFO] [stdout] test test_odd_registers ... ok
[INFO] [stdout] test test_output_radix ... ok
[INFO] [stdout] test test_arithmetic ... ok
[INFO] [stdout] test test_modexp ... ok
[INFO] [stdout] test test_decimal ... ok
[INFO] [stdout] test test_quitlevels ... ok
[INFO] [stdout] test test_quitlevels3 ... ok
[INFO] [stdout] test test_input_radix ... ok
[INFO] [stdout] test test_quitlevels2 ... ok
[INFO] [stdout] test test_frac_output ... ok
[INFO] [stdout] test test_print_ascii ... ok
[INFO] [stdout] test test_parser_tricky ... ok
[INFO] [stdout] test test_registers ... ok
[INFO] [stdout] test test_f ... ok
[INFO] [stdout] test test_huge_input_dec ... ok
[INFO] [stdout] test test_huge_input_hex ... ok
[INFO] [stdout] test test_sqrt ... ok
[INFO] [stdout] test test_comment ... ok
[INFO] [stdout] test test_conditional_macro ... ok
[INFO] [stdout] test test_shell ... ok
[INFO] [stdout] test test_small_print ... ok
[INFO] [stdout] test test_stackoverflow ... ignored
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_invalid_radix ... ok
[INFO] [stdout] test test_frx_digit_count ... ok
[INFO] [stdout] test test_string_basic ... ok
[INFO] [stdout] test test_invalid_arithmetic ... ok
[INFO] [stdout] test test_stackmanip ... ok
[INFO] [stdout] test test_weird_overflow ... ok
[INFO] [stdout] test test_string_nesting ... ok
[INFO] [stdout] test test_zero_print ... ok
[INFO] [stdout] test test_utf8 ... ok
[INFO] [stdout] test test_array ... ok
[INFO] [stdout] test test_a ... ok
[INFO] [stdout] test test_negative ... ok
[INFO] [stdout] test test_digit_count ... ok
[INFO] [stdout] test test_p ... ok
[INFO] [stderr]    Doc-tests dc4
[INFO] [stdout] test test_n ... ok
[INFO] [stdout] test test_char_print_order ... ok
[INFO] [stdout] test test_register_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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" "7ce4e6b26e33f7b2f6554537b8747bf967ff5bc635c1e9f29aa3d3f24ceeafbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce4e6b26e33f7b2f6554537b8747bf967ff5bc635c1e9f29aa3d3f24ceeafbc", kill_on_drop: false }`
[INFO] [stdout] 7ce4e6b26e33f7b2f6554537b8747bf967ff5bc635c1e9f29aa3d3f24ceeafbc