[INFO] fetching crate graviton 0.6.0...
[INFO] testing graviton-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate graviton 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graviton 0.6.0
[INFO] finished tweaking crates.io crate graviton 0.6.0
[INFO] tweaked toml for crates.io crate graviton 0.6.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate graviton 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graviton_frontend v0.6.0
[INFO] [stderr]   Downloaded typetag-impl v0.1.4
[INFO] [stderr]   Downloaded erased-serde v0.3.10
[INFO] [stderr]   Downloaded rmp-serde v0.14.0
[INFO] [stderr]   Downloaded typetag v0.1.4
[INFO] [stderr]   Downloaded graviton_backend v0.6.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c07c6d71f6d65ad0d1c0514326e0a6692000b1434b1065e140d82840f305a0
[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" "36c07c6d71f6d65ad0d1c0514326e0a6692000b1434b1065e140d82840f305a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c07c6d71f6d65ad0d1c0514326e0a6692000b1434b1065e140d82840f305a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c07c6d71f6d65ad0d1c0514326e0a6692000b1434b1065e140d82840f305a0", kill_on_drop: false }`
[INFO] [stdout] 36c07c6d71f6d65ad0d1c0514326e0a6692000b1434b1065e140d82840f305a0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07693f235afdd63bec5618081ae0a97c0e6a9748e6925dc8566daedc30e43a79
[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" "07693f235afdd63bec5618081ae0a97c0e6a9748e6925dc8566daedc30e43a79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling inventory v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling graviton_core v0.6.0
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling erased-serde v0.3.10
[INFO] [stderr]    Compiling rmp-serde v0.14.0
[INFO] [stderr]    Compiling graviton_ast v0.6.0
[INFO] [stderr]    Compiling faerie v0.14.0
[INFO] [stderr]    Compiling typetag v0.1.4
[INFO] [stderr]    Compiling graviton_frontend v0.6.0
[INFO] [stderr]    Compiling cranelift-module v0.56.0
[INFO] [stderr]    Compiling cranelift-frontend v0.56.0
[INFO] [stderr]    Compiling cranelift-native v0.56.0
[INFO] [stderr]    Compiling cranelift-faerie v0.56.0
[INFO] [stderr]    Compiling cranelift v0.56.0
[INFO] [stderr]    Compiling graviton_backend v0.6.0
[INFO] [stderr]    Compiling graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "07693f235afdd63bec5618081ae0a97c0e6a9748e6925dc8566daedc30e43a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07693f235afdd63bec5618081ae0a97c0e6a9748e6925dc8566daedc30e43a79", kill_on_drop: false }`
[INFO] [stdout] 07693f235afdd63bec5618081ae0a97c0e6a9748e6925dc8566daedc30e43a79
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c339e64775f51918a0cc4693438e120f810e22faaab4b8518a01b8d4f677372
[INFO] running `Command { std: "docker" "start" "-a" "5c339e64775f51918a0cc4693438e120f810e22faaab4b8518a01b8d4f677372", kill_on_drop: false }`
[INFO] [stderr]    Compiling graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "5c339e64775f51918a0cc4693438e120f810e22faaab4b8518a01b8d4f677372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c339e64775f51918a0cc4693438e120f810e22faaab4b8518a01b8d4f677372", kill_on_drop: false }`
[INFO] [stdout] 5c339e64775f51918a0cc4693438e120f810e22faaab4b8518a01b8d4f677372
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 887276f6f9f30bec9e2e495194bd8895d0915990d99ada2302099846503c9844
[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" "887276f6f9f30bec9e2e495194bd8895d0915990d99ada2302099846503c9844", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graviton-fb38077b74b028dc
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graviton-ed480a7d3333649f
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graviton
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "887276f6f9f30bec9e2e495194bd8895d0915990d99ada2302099846503c9844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887276f6f9f30bec9e2e495194bd8895d0915990d99ada2302099846503c9844", kill_on_drop: false }`
[INFO] [stdout] 887276f6f9f30bec9e2e495194bd8895d0915990d99ada2302099846503c9844