[INFO] crate uu_fold 0.0.1 is already in cache
[INFO] testing uu_fold-0.0.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate uu_fold 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_fold 0.0.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_fold 0.0.1
[INFO] finished tweaking crates.io crate uu_fold 0.0.1
[INFO] tweaked toml for crates.io crate uu_fold 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_fold 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 145b8f0a454a43acd745f4ce0fc3b2ca68db078d0f62ba8be67e84c8ad5c91de
[INFO] running `Command { std: "docker" "start" "-a" "145b8f0a454a43acd745f4ce0fc3b2ca68db078d0f62ba8be67e84c8ad5c91de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "145b8f0a454a43acd745f4ce0fc3b2ca68db078d0f62ba8be67e84c8ad5c91de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145b8f0a454a43acd745f4ce0fc3b2ca68db078d0f62ba8be67e84c8ad5c91de", kill_on_drop: false }`
[INFO] [stdout] 145b8f0a454a43acd745f4ce0fc3b2ca68db078d0f62ba8be67e84c8ad5c91de
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de39ad324956f362cf54085ca90bac52daf049d18e3615695bf3184b6816ec49
[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" "de39ad324956f362cf54085ca90bac52daf049d18e3615695bf3184b6816ec49", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_fold v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "de39ad324956f362cf54085ca90bac52daf049d18e3615695bf3184b6816ec49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de39ad324956f362cf54085ca90bac52daf049d18e3615695bf3184b6816ec49", kill_on_drop: false }`
[INFO] [stdout] de39ad324956f362cf54085ca90bac52daf049d18e3615695bf3184b6816ec49
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] b117033b3b52f43132e47fbb94a83490c19efc130791d0cb2159acfcea6eb040
[INFO] running `Command { std: "docker" "start" "-a" "b117033b3b52f43132e47fbb94a83490c19efc130791d0cb2159acfcea6eb040", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_fold v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b117033b3b52f43132e47fbb94a83490c19efc130791d0cb2159acfcea6eb040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b117033b3b52f43132e47fbb94a83490c19efc130791d0cb2159acfcea6eb040", kill_on_drop: false }`
[INFO] [stdout] b117033b3b52f43132e47fbb94a83490c19efc130791d0cb2159acfcea6eb040
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 272b50a07043d9541ec980a5a98d21e0c460a98d4f068afec8c357f8aa8028f7
[INFO] running `Command { std: "docker" "start" "-a" "272b50a07043d9541ec980a5a98d21e0c460a98d4f068afec8c357f8aa8028f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uu_fold-e041d6eb2a87c50f
[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]      Running /opt/rustwide/target/debug/deps/fold-5bf3817a61e0fde4
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uu_fold
[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" "272b50a07043d9541ec980a5a98d21e0c460a98d4f068afec8c357f8aa8028f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272b50a07043d9541ec980a5a98d21e0c460a98d4f068afec8c357f8aa8028f7", kill_on_drop: false }`
[INFO] [stdout] 272b50a07043d9541ec980a5a98d21e0c460a98d4f068afec8c357f8aa8028f7