[INFO] fetching crate gen-combinations 0.1.0...
[INFO] testing gen-combinations-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gen-combinations 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate gen-combinations 0.1.0 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 crates.io crate gen-combinations 0.1.0
[INFO] finished tweaking crates.io crate gen-combinations 0.1.0
[INFO] tweaked toml for crates.io crate gen-combinations 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 40b4e5a8ae772433213be7c4108ff30fbf18693bc6eeadbeee465c8750babdc9
[INFO] running `Command { std: "docker" "start" "-a" "40b4e5a8ae772433213be7c4108ff30fbf18693bc6eeadbeee465c8750babdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b4e5a8ae772433213be7c4108ff30fbf18693bc6eeadbeee465c8750babdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b4e5a8ae772433213be7c4108ff30fbf18693bc6eeadbeee465c8750babdc9", kill_on_drop: false }`
[INFO] [stdout] 40b4e5a8ae772433213be7c4108ff30fbf18693bc6eeadbeee465c8750babdc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 245ea81554e21c0dbaa666be97641e978f97fb72b9a8d6be7d3e9b3f8eb3bfc0
[INFO] running `Command { std: "docker" "start" "-a" "245ea81554e21c0dbaa666be97641e978f97fb72b9a8d6be7d3e9b3f8eb3bfc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gen-combinations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "245ea81554e21c0dbaa666be97641e978f97fb72b9a8d6be7d3e9b3f8eb3bfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245ea81554e21c0dbaa666be97641e978f97fb72b9a8d6be7d3e9b3f8eb3bfc0", kill_on_drop: false }`
[INFO] [stdout] 245ea81554e21c0dbaa666be97641e978f97fb72b9a8d6be7d3e9b3f8eb3bfc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f45f61827ef03a55acf8673234b518062dd69194a9922150c1ed2605a7f936e4
[INFO] running `Command { std: "docker" "start" "-a" "f45f61827ef03a55acf8673234b518062dd69194a9922150c1ed2605a7f936e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling version-sync v0.9.2
[INFO] [stderr]    Compiling gen-combinations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "f45f61827ef03a55acf8673234b518062dd69194a9922150c1ed2605a7f936e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45f61827ef03a55acf8673234b518062dd69194a9922150c1ed2605a7f936e4", kill_on_drop: false }`
[INFO] [stdout] f45f61827ef03a55acf8673234b518062dd69194a9922150c1ed2605a7f936e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 63f65d86c2e24ce395652cb6e9222e2cc369483a1238d176657e094c0d0dee14
[INFO] running `Command { std: "docker" "start" "-a" "63f65d86c2e24ce395652cb6e9222e2cc369483a1238d176657e094c0d0dee14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gen_combinations-2b3b6d2dfa875c88)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test generate_combinations ... ok
[INFO] [stdout] test generate_combinations_of_things_that_arent_copy_just_to_be_sure ... ok
[INFO] [stdout] test generate_more_combinations ... ok
[INFO] [stdout] test misuse_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-ad6121dea36c503f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gen-combinations
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CombinationIterator (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63f65d86c2e24ce395652cb6e9222e2cc369483a1238d176657e094c0d0dee14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f65d86c2e24ce395652cb6e9222e2cc369483a1238d176657e094c0d0dee14", kill_on_drop: false }`
[INFO] [stdout] 63f65d86c2e24ce395652cb6e9222e2cc369483a1238d176657e094c0d0dee14