[INFO] fetching crate ddelta 0.2.1...
[INFO] testing ddelta-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ddelta 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ddelta 0.2.1 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 ddelta 0.2.1
[INFO] finished tweaking crates.io crate ddelta 0.2.1
[INFO] tweaked toml for crates.io crate ddelta 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ddelta 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f35adc61bf762250080e9d7a0db921e1fff3f31e64afc7f38547663497b9bf70
[INFO] running `Command { std: "docker" "start" "-a" "f35adc61bf762250080e9d7a0db921e1fff3f31e64afc7f38547663497b9bf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35adc61bf762250080e9d7a0db921e1fff3f31e64afc7f38547663497b9bf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35adc61bf762250080e9d7a0db921e1fff3f31e64afc7f38547663497b9bf70", kill_on_drop: false }`
[INFO] [stdout] f35adc61bf762250080e9d7a0db921e1fff3f31e64afc7f38547663497b9bf70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c0adc462fcb943a7611ea3a26b45a7e1c6cd3928046b1c2734b95097c6230514
[INFO] running `Command { std: "docker" "start" "-a" "c0adc462fcb943a7611ea3a26b45a7e1c6cd3928046b1c2734b95097c6230514", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cdivsufsort v2.0.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling sacabase v2.0.0
[INFO] [stderr]    Compiling divsufsort v2.0.0
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling ddelta v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "c0adc462fcb943a7611ea3a26b45a7e1c6cd3928046b1c2734b95097c6230514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0adc462fcb943a7611ea3a26b45a7e1c6cd3928046b1c2734b95097c6230514", kill_on_drop: false }`
[INFO] [stdout] c0adc462fcb943a7611ea3a26b45a7e1c6cd3928046b1c2734b95097c6230514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3c75131ae321f97980d467e5d882f1c9292d7d4e2b5be2c0f0c1b7e8a9b1c2ba
[INFO] running `Command { std: "docker" "start" "-a" "3c75131ae321f97980d467e5d882f1c9292d7d4e2b5be2c0f0c1b7e8a9b1c2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling ddelta v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "3c75131ae321f97980d467e5d882f1c9292d7d4e2b5be2c0f0c1b7e8a9b1c2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c75131ae321f97980d467e5d882f1c9292d7d4e2b5be2c0f0c1b7e8a9b1c2ba", kill_on_drop: false }`
[INFO] [stdout] 3c75131ae321f97980d467e5d882f1c9292d7d4e2b5be2c0f0c1b7e8a9b1c2ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 449ea903ea99229405398079b599bfbd73034c75c4317c1dc51372db0bd73f6a
[INFO] running `Command { std: "docker" "start" "-a" "449ea903ea99229405398079b599bfbd73034c75c4317c1dc51372db0bd73f6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ddelta-5791e639484ddc37)
[INFO] [stdout] running 1 test
[INFO] [stdout] test diff::test::testy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ddelta-d806b7f0b5ed71b2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ddelta
[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] [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" "449ea903ea99229405398079b599bfbd73034c75c4317c1dc51372db0bd73f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449ea903ea99229405398079b599bfbd73034c75c4317c1dc51372db0bd73f6a", kill_on_drop: false }`
[INFO] [stdout] 449ea903ea99229405398079b599bfbd73034c75c4317c1dc51372db0bd73f6a