[INFO] fetching crate io-synesthesist 0.1.1...
[INFO] testing io-synesthesist-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate io-synesthesist 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate io-synesthesist 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 io-synesthesist 0.1.1
[INFO] finished tweaking crates.io crate io-synesthesist 0.1.1
[INFO] tweaked toml for crates.io crate io-synesthesist 0.1.1 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] ac5ec54bf1ca1ab601753a11f8e2746163bd4fb1ef3c06dc5a8537f5f99e50cc
[INFO] running `Command { std: "docker" "start" "-a" "ac5ec54bf1ca1ab601753a11f8e2746163bd4fb1ef3c06dc5a8537f5f99e50cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5ec54bf1ca1ab601753a11f8e2746163bd4fb1ef3c06dc5a8537f5f99e50cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5ec54bf1ca1ab601753a11f8e2746163bd4fb1ef3c06dc5a8537f5f99e50cc", kill_on_drop: false }`
[INFO] [stdout] ac5ec54bf1ca1ab601753a11f8e2746163bd4fb1ef3c06dc5a8537f5f99e50cc
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 9022166543b6a7621233b3db0787be1b57fe89cbbc9606f14b885f8a284aa9c5
[INFO] running `Command { std: "docker" "start" "-a" "9022166543b6a7621233b3db0787be1b57fe89cbbc9606f14b885f8a284aa9c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-synesthesist v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "9022166543b6a7621233b3db0787be1b57fe89cbbc9606f14b885f8a284aa9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9022166543b6a7621233b3db0787be1b57fe89cbbc9606f14b885f8a284aa9c5", kill_on_drop: false }`
[INFO] [stdout] 9022166543b6a7621233b3db0787be1b57fe89cbbc9606f14b885f8a284aa9c5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f5125fd74f43aefecdc98726811688840d07ab797221e2aad058dccf2cb30c2
[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" "5f5125fd74f43aefecdc98726811688840d07ab797221e2aad058dccf2cb30c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-synesthesist v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "5f5125fd74f43aefecdc98726811688840d07ab797221e2aad058dccf2cb30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5125fd74f43aefecdc98726811688840d07ab797221e2aad058dccf2cb30c2", kill_on_drop: false }`
[INFO] [stdout] 5f5125fd74f43aefecdc98726811688840d07ab797221e2aad058dccf2cb30c2
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fee80a9f8ecaa50fdb1a2316c54bbdf8b1a969549bfa49b77792c199d1374579
[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" "fee80a9f8ecaa50fdb1a2316c54bbdf8b1a969549bfa49b77792c199d1374579", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io_synesthesist-7e3cff028d00a5f2
[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] [stderr]    Doc-tests io-synesthesist
[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" "fee80a9f8ecaa50fdb1a2316c54bbdf8b1a969549bfa49b77792c199d1374579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee80a9f8ecaa50fdb1a2316c54bbdf8b1a969549bfa49b77792c199d1374579", kill_on_drop: false }`
[INFO] [stdout] fee80a9f8ecaa50fdb1a2316c54bbdf8b1a969549bfa49b77792c199d1374579