[INFO] fetching crate lfsr-macro-generate 0.3.0...
[INFO] testing lfsr-macro-generate-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lfsr-macro-generate 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lfsr-macro-generate 0.3.0 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 lfsr-macro-generate 0.3.0
[INFO] finished tweaking crates.io crate lfsr-macro-generate 0.3.0
[INFO] tweaked toml for crates.io crate lfsr-macro-generate 0.3.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d78391197b47986e1b2a2bfab07e52be29c220bc2ad0ff922d8f7f1fc53aabb5
[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" "d78391197b47986e1b2a2bfab07e52be29c220bc2ad0ff922d8f7f1fc53aabb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78391197b47986e1b2a2bfab07e52be29c220bc2ad0ff922d8f7f1fc53aabb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78391197b47986e1b2a2bfab07e52be29c220bc2ad0ff922d8f7f1fc53aabb5", kill_on_drop: false }`
[INFO] [stdout] d78391197b47986e1b2a2bfab07e52be29c220bc2ad0ff922d8f7f1fc53aabb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6bd86ff8ff06c7f9869de1cf244578bc04f99c2275ab67f80babaa040468bbf6
[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" "6bd86ff8ff06c7f9869de1cf244578bc04f99c2275ab67f80babaa040468bbf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr-base v0.3.0
[INFO] [stderr]    Compiling lfsr-macro-generate v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "6bd86ff8ff06c7f9869de1cf244578bc04f99c2275ab67f80babaa040468bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd86ff8ff06c7f9869de1cf244578bc04f99c2275ab67f80babaa040468bbf6", kill_on_drop: false }`
[INFO] [stdout] 6bd86ff8ff06c7f9869de1cf244578bc04f99c2275ab67f80babaa040468bbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aaa856b138707e3fc35c53a0ce31e91499cb5c98647bd8be22df9e045824046c
[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" "aaa856b138707e3fc35c53a0ce31e91499cb5c98647bd8be22df9e045824046c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr-macro-generate v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "aaa856b138707e3fc35c53a0ce31e91499cb5c98647bd8be22df9e045824046c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa856b138707e3fc35c53a0ce31e91499cb5c98647bd8be22df9e045824046c", kill_on_drop: false }`
[INFO] [stdout] aaa856b138707e3fc35c53a0ce31e91499cb5c98647bd8be22df9e045824046c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 000e31b35972e1810bdb415416a9b83b73ad0b0760aae1665f2a1caf2532d833
[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" "000e31b35972e1810bdb415416a9b83b73ad0b0760aae1665f2a1caf2532d833", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lfsr_macro_generate-715e273ae473b76a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfsr-macro-generate
[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" "000e31b35972e1810bdb415416a9b83b73ad0b0760aae1665f2a1caf2532d833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000e31b35972e1810bdb415416a9b83b73ad0b0760aae1665f2a1caf2532d833", kill_on_drop: false }`
[INFO] [stdout] 000e31b35972e1810bdb415416a9b83b73ad0b0760aae1665f2a1caf2532d833