[INFO] fetching crate guppy-summaries 0.3.1...
[INFO] testing guppy-summaries-0.3.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate guppy-summaries 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate guppy-summaries 0.3.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guppy-summaries 0.3.1
[INFO] finished tweaking crates.io crate guppy-summaries 0.3.1
[INFO] tweaked toml for crates.io crate guppy-summaries 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e950926a96fc546d12fbdbca29d012e326198cf3ff75916e7ccc30870baf916
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e950926a96fc546d12fbdbca29d012e326198cf3ff75916e7ccc30870baf916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e950926a96fc546d12fbdbca29d012e326198cf3ff75916e7ccc30870baf916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e950926a96fc546d12fbdbca29d012e326198cf3ff75916e7ccc30870baf916", kill_on_drop: false }`
[INFO] [stdout] 5e950926a96fc546d12fbdbca29d012e326198cf3ff75916e7ccc30870baf916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b37e4d8f6689ec9ddc94fa0c2ad980b96f0bccdbb64dd172aad49c795c3f253
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b37e4d8f6689ec9ddc94fa0c2ad980b96f0bccdbb64dd172aad49c795c3f253", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffus v0.9.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling guppy-summaries v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
[INFO] running `Command { std: "docker" "inspect" "6b37e4d8f6689ec9ddc94fa0c2ad980b96f0bccdbb64dd172aad49c795c3f253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b37e4d8f6689ec9ddc94fa0c2ad980b96f0bccdbb64dd172aad49c795c3f253", kill_on_drop: false }`
[INFO] [stdout] 6b37e4d8f6689ec9ddc94fa0c2ad980b96f0bccdbb64dd172aad49c795c3f253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a368fb95ea9fa0c3ecc1bd985606675115acf20573aa455e8aab4d2f1ac310
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61a368fb95ea9fa0c3ecc1bd985606675115acf20573aa455e8aab4d2f1ac310", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling guppy-summaries v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "61a368fb95ea9fa0c3ecc1bd985606675115acf20573aa455e8aab4d2f1ac310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a368fb95ea9fa0c3ecc1bd985606675115acf20573aa455e8aab4d2f1ac310", kill_on_drop: false }`
[INFO] [stdout] 61a368fb95ea9fa0c3ecc1bd985606675115acf20573aa455e8aab4d2f1ac310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea06e55345bda186e6d1fad69af9987a26f4dedc32ae60d1d40b92423b935283
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea06e55345bda186e6d1fad69af9987a26f4dedc32ae60d1d40b92423b935283", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guppy_summaries-2f43fd90a8285bdf
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests guppy-summaries
[INFO] [stdout] test unit_tests::basic_tests::empty_roundtrip ... ok
[INFO] [stdout] test unit_tests::basic_tests::basic_roundtrip ... ok
[INFO] [stdout] test unit_tests::basic_tests::test_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea06e55345bda186e6d1fad69af9987a26f4dedc32ae60d1d40b92423b935283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea06e55345bda186e6d1fad69af9987a26f4dedc32ae60d1d40b92423b935283", kill_on_drop: false }`
[INFO] [stdout] ea06e55345bda186e6d1fad69af9987a26f4dedc32ae60d1d40b92423b935283