[INFO] fetching crate frombytes 0.1.1...
[INFO] testing frombytes-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate frombytes 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate frombytes 0.1.1 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 frombytes 0.1.1
[INFO] finished tweaking crates.io crate frombytes 0.1.1
[INFO] tweaked toml for crates.io crate frombytes 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c374bb7f55f9e268288d645bf2cd57474bd600132327897dd0f88047936f4100
[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" "c374bb7f55f9e268288d645bf2cd57474bd600132327897dd0f88047936f4100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c374bb7f55f9e268288d645bf2cd57474bd600132327897dd0f88047936f4100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c374bb7f55f9e268288d645bf2cd57474bd600132327897dd0f88047936f4100", kill_on_drop: false }`
[INFO] [stdout] c374bb7f55f9e268288d645bf2cd57474bd600132327897dd0f88047936f4100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 566ba875b6fa3869fc7c04ca6a7bd974517c1eb4e88659697e69c399537de01d
[INFO] running `Command { std: "docker" "start" "-a" "566ba875b6fa3869fc7c04ca6a7bd974517c1eb4e88659697e69c399537de01d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling frombytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
[INFO] running `Command { std: "docker" "inspect" "566ba875b6fa3869fc7c04ca6a7bd974517c1eb4e88659697e69c399537de01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566ba875b6fa3869fc7c04ca6a7bd974517c1eb4e88659697e69c399537de01d", kill_on_drop: false }`
[INFO] [stdout] 566ba875b6fa3869fc7c04ca6a7bd974517c1eb4e88659697e69c399537de01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] edfb558a4d7e8e9da8245c89f5f67b5d115c7ec32568ff92d4f30d6850f0de86
[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" "edfb558a4d7e8e9da8245c89f5f67b5d115c7ec32568ff92d4f30d6850f0de86", kill_on_drop: false }`
[INFO] [stderr]    Compiling frombytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "edfb558a4d7e8e9da8245c89f5f67b5d115c7ec32568ff92d4f30d6850f0de86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfb558a4d7e8e9da8245c89f5f67b5d115c7ec32568ff92d4f30d6850f0de86", kill_on_drop: false }`
[INFO] [stdout] edfb558a4d7e8e9da8245c89f5f67b5d115c7ec32568ff92d4f30d6850f0de86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9361f2b33b06e693ab7c4cd4b6dd6696c5e5c2767f8dd51078d85423c8c034ee
[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" "9361f2b33b06e693ab7c4cd4b6dd6696c5e5c2767f8dd51078d85423c8c034ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frombytes-55dfe247e01af4d8
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::bytes_align ... ok
[INFO] [stdout] test tests::bytes_read_array_newtype ... ok
[INFO] [stdout] test tests::bytes_read_primitive_x16 ... ok
[INFO] [stdout] test tests::bytes_read_primitive_x8 ... ok
[INFO] [stdout] test tests::bytes_read_array_primitives ... ok
[INFO] [stdout] test tests::error_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frombytes
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - FromBytes (line 42) ... ok
[INFO] [stdout] test src/lib.rs - Bytes::read (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9361f2b33b06e693ab7c4cd4b6dd6696c5e5c2767f8dd51078d85423c8c034ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9361f2b33b06e693ab7c4cd4b6dd6696c5e5c2767f8dd51078d85423c8c034ee", kill_on_drop: false }`
[INFO] [stdout] 9361f2b33b06e693ab7c4cd4b6dd6696c5e5c2767f8dd51078d85423c8c034ee