[INFO] fetching crate PhaseReverse 0.0.1...
[INFO] testing PhaseReverse-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate PhaseReverse 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate PhaseReverse 0.0.1 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 PhaseReverse 0.0.1
[INFO] finished tweaking crates.io crate PhaseReverse 0.0.1
[INFO] tweaked toml for crates.io crate PhaseReverse 0.0.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 3f3ebc370c3d50c8582ccd528fa0603a8eab9f2f0e2252555ca5ec4b6ff8d5a6
[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" "3f3ebc370c3d50c8582ccd528fa0603a8eab9f2f0e2252555ca5ec4b6ff8d5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3ebc370c3d50c8582ccd528fa0603a8eab9f2f0e2252555ca5ec4b6ff8d5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3ebc370c3d50c8582ccd528fa0603a8eab9f2f0e2252555ca5ec4b6ff8d5a6", kill_on_drop: false }`
[INFO] [stdout] 3f3ebc370c3d50c8582ccd528fa0603a8eab9f2f0e2252555ca5ec4b6ff8d5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 3acc9ec0834a4c42de3f10e3f7c7cf87b6b60839650fef7ac607988830d04755
[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" "3acc9ec0834a4c42de3f10e3f7c7cf87b6b60839650fef7ac607988830d04755", kill_on_drop: false }`
[INFO] [stderr]    Compiling PhaseReverse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3acc9ec0834a4c42de3f10e3f7c7cf87b6b60839650fef7ac607988830d04755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acc9ec0834a4c42de3f10e3f7c7cf87b6b60839650fef7ac607988830d04755", kill_on_drop: false }`
[INFO] [stdout] 3acc9ec0834a4c42de3f10e3f7c7cf87b6b60839650fef7ac607988830d04755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f240a7cc6b9738bd33e802da8cec980a5db622b9a084e43c3bde5872226aaaf1
[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" "f240a7cc6b9738bd33e802da8cec980a5db622b9a084e43c3bde5872226aaaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling PhaseReverse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f240a7cc6b9738bd33e802da8cec980a5db622b9a084e43c3bde5872226aaaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f240a7cc6b9738bd33e802da8cec980a5db622b9a084e43c3bde5872226aaaf1", kill_on_drop: false }`
[INFO] [stdout] f240a7cc6b9738bd33e802da8cec980a5db622b9a084e43c3bde5872226aaaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2b6e5197d3f0d173735c6e4a786777e169d7e8efa62666374e677ad79d2a94fc
[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" "2b6e5197d3f0d173735c6e4a786777e169d7e8efa62666374e677ad79d2a94fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/PhaseReverse-d0e479f11703108e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests PhaseReverse
[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" "2b6e5197d3f0d173735c6e4a786777e169d7e8efa62666374e677ad79d2a94fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6e5197d3f0d173735c6e4a786777e169d7e8efa62666374e677ad79d2a94fc", kill_on_drop: false }`
[INFO] [stdout] 2b6e5197d3f0d173735c6e4a786777e169d7e8efa62666374e677ad79d2a94fc