[INFO] fetching crate amacs 0.0.0...
[INFO] testing amacs-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate amacs 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate amacs 0.0.0 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 amacs 0.0.0
[INFO] finished tweaking crates.io crate amacs 0.0.0
[INFO] tweaked toml for crates.io crate amacs 0.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0b8f3e52caa9a34a6940cf67b83f79aecb8c593c38718ce91d86f756b64a4e79
[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" "0b8f3e52caa9a34a6940cf67b83f79aecb8c593c38718ce91d86f756b64a4e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8f3e52caa9a34a6940cf67b83f79aecb8c593c38718ce91d86f756b64a4e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8f3e52caa9a34a6940cf67b83f79aecb8c593c38718ce91d86f756b64a4e79", kill_on_drop: false }`
[INFO] [stdout] 0b8f3e52caa9a34a6940cf67b83f79aecb8c593c38718ce91d86f756b64a4e79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7d4bd0024704321881de3abb31d4e3877523b20201e6ac3410b0fff783136fec
[INFO] running `Command { std: "docker" "start" "-a" "7d4bd0024704321881de3abb31d4e3877523b20201e6ac3410b0fff783136fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling amacs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7d4bd0024704321881de3abb31d4e3877523b20201e6ac3410b0fff783136fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4bd0024704321881de3abb31d4e3877523b20201e6ac3410b0fff783136fec", kill_on_drop: false }`
[INFO] [stdout] 7d4bd0024704321881de3abb31d4e3877523b20201e6ac3410b0fff783136fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a16fbda586621bd28b57f71629ad7906b602cd1ee0787b5f8369d3c4adcd1716
[INFO] running `Command { std: "docker" "start" "-a" "a16fbda586621bd28b57f71629ad7906b602cd1ee0787b5f8369d3c4adcd1716", kill_on_drop: false }`
[INFO] [stderr]    Compiling amacs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a16fbda586621bd28b57f71629ad7906b602cd1ee0787b5f8369d3c4adcd1716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16fbda586621bd28b57f71629ad7906b602cd1ee0787b5f8369d3c4adcd1716", kill_on_drop: false }`
[INFO] [stdout] a16fbda586621bd28b57f71629ad7906b602cd1ee0787b5f8369d3c4adcd1716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 013b08a88091316deb0fd1fb1d77e9996eb548f367031209b8429c9ec883c761
[INFO] running `Command { std: "docker" "start" "-a" "013b08a88091316deb0fd1fb1d77e9996eb548f367031209b8429c9ec883c761", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/amacs-ed50fbaa39a3244e
[INFO] [stderr]    Doc-tests amacs
[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" "013b08a88091316deb0fd1fb1d77e9996eb548f367031209b8429c9ec883c761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013b08a88091316deb0fd1fb1d77e9996eb548f367031209b8429c9ec883c761", kill_on_drop: false }`
[INFO] [stdout] 013b08a88091316deb0fd1fb1d77e9996eb548f367031209b8429c9ec883c761