[INFO] fetching crate tangram_core 0.7.0...
[INFO] testing tangram_core-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tangram_core 0.7.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tangram_core 0.7.0 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 tangram_core 0.7.0
[INFO] finished tweaking crates.io crate tangram_core 0.7.0
[INFO] tweaked toml for crates.io crate tangram_core 0.7.0 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] 9220ba845e25204771b90e1d0383c3b4b133544d9434fd0eccce5c6c6f5fb494
[INFO] running `Command { std: "docker" "start" "-a" "9220ba845e25204771b90e1d0383c3b4b133544d9434fd0eccce5c6c6f5fb494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9220ba845e25204771b90e1d0383c3b4b133544d9434fd0eccce5c6c6f5fb494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9220ba845e25204771b90e1d0383c3b4b133544d9434fd0eccce5c6c6f5fb494", kill_on_drop: false }`
[INFO] [stdout] 9220ba845e25204771b90e1d0383c3b4b133544d9434fd0eccce5c6c6f5fb494
[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] 323a6e695a2390215cd95efb8433ad7afa229395443e6840ddb046cc9bbcbb5c
[INFO] running `Command { std: "docker" "start" "-a" "323a6e695a2390215cd95efb8433ad7afa229395443e6840ddb046cc9bbcbb5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling tangram_zip v0.7.0
[INFO] [stderr]    Compiling tangram_progress_counter v0.7.0
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling tangram_kill_chip v0.7.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tangram_id v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tangram_text v0.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling tangram_finite v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling tangram_table v0.7.0
[INFO] [stderr]    Compiling tangram_metrics v0.7.0
[INFO] [stderr]    Compiling buffalo v0.1.0
[INFO] [stderr]    Compiling tangram_features v0.7.0
[INFO] [stderr]    Compiling tangram_tree v0.7.0
[INFO] [stderr]    Compiling tangram_linear v0.7.0
[INFO] [stderr]    Compiling tangram_model v0.7.0
[INFO] [stderr]    Compiling tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.29s
[INFO] running `Command { std: "docker" "inspect" "323a6e695a2390215cd95efb8433ad7afa229395443e6840ddb046cc9bbcbb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323a6e695a2390215cd95efb8433ad7afa229395443e6840ddb046cc9bbcbb5c", kill_on_drop: false }`
[INFO] [stdout] 323a6e695a2390215cd95efb8433ad7afa229395443e6840ddb046cc9bbcbb5c
[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] 269c331b86e9bb941deb8964ad721e9673befc513b5260c1ad6589e3a6cd96f5
[INFO] running `Command { std: "docker" "start" "-a" "269c331b86e9bb941deb8964ad721e9673befc513b5260c1ad6589e3a6cd96f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "269c331b86e9bb941deb8964ad721e9673befc513b5260c1ad6589e3a6cd96f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269c331b86e9bb941deb8964ad721e9673befc513b5260c1ad6589e3a6cd96f5", kill_on_drop: false }`
[INFO] [stdout] 269c331b86e9bb941deb8964ad721e9673befc513b5260c1ad6589e3a6cd96f5
[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] 2caacb064b75a3f9f7f19e26a922fbb33971038164c877a4ae21c2e9a2242bc5
[INFO] running `Command { std: "docker" "start" "-a" "2caacb064b75a3f9f7f19e26a922fbb33971038164c877a4ae21c2e9a2242bc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tangram_core-955399ae6fc3057b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tangram_core
[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" "2caacb064b75a3f9f7f19e26a922fbb33971038164c877a4ae21c2e9a2242bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caacb064b75a3f9f7f19e26a922fbb33971038164c877a4ae21c2e9a2242bc5", kill_on_drop: false }`
[INFO] [stdout] 2caacb064b75a3f9f7f19e26a922fbb33971038164c877a4ae21c2e9a2242bc5