[INFO] fetching crate rprompt 1.0.5...
[INFO] testing rprompt-1.0.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rprompt 1.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rprompt 1.0.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rprompt 1.0.5
[INFO] finished tweaking crates.io crate rprompt 1.0.5
[INFO] tweaked toml for crates.io crate rprompt 1.0.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rprompt 1.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 8455f251587eb97abf489b72c0ccd067251b9c974f99436432f706824daa12fe
[INFO] running `Command { std: "docker" "start" "-a" "8455f251587eb97abf489b72c0ccd067251b9c974f99436432f706824daa12fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8455f251587eb97abf489b72c0ccd067251b9c974f99436432f706824daa12fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8455f251587eb97abf489b72c0ccd067251b9c974f99436432f706824daa12fe", kill_on_drop: false }`
[INFO] [stdout] 8455f251587eb97abf489b72c0ccd067251b9c974f99436432f706824daa12fe
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 323eec81f80a5d064d08e7fdb3da7b2296f3009ad7aa0cfdb766b076a582f085
[INFO] running `Command { std: "docker" "start" "-a" "323eec81f80a5d064d08e7fdb3da7b2296f3009ad7aa0cfdb766b076a582f085", kill_on_drop: false }`
[INFO] [stderr]    Compiling rprompt v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "323eec81f80a5d064d08e7fdb3da7b2296f3009ad7aa0cfdb766b076a582f085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323eec81f80a5d064d08e7fdb3da7b2296f3009ad7aa0cfdb766b076a582f085", kill_on_drop: false }`
[INFO] [stdout] 323eec81f80a5d064d08e7fdb3da7b2296f3009ad7aa0cfdb766b076a582f085
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ce8beb61e618c50a158ae1fa72292a39ba76cfb3eb1780fefeaa14b33ead54
[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" "80ce8beb61e618c50a158ae1fa72292a39ba76cfb3eb1780fefeaa14b33ead54", kill_on_drop: false }`
[INFO] [stderr]    Compiling rprompt v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "80ce8beb61e618c50a158ae1fa72292a39ba76cfb3eb1780fefeaa14b33ead54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ce8beb61e618c50a158ae1fa72292a39ba76cfb3eb1780fefeaa14b33ead54", kill_on_drop: false }`
[INFO] [stdout] 80ce8beb61e618c50a158ae1fa72292a39ba76cfb3eb1780fefeaa14b33ead54
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c47b62be9e4c2b55bcf70ea5e7935b31595029a4d89b46c698fd238e34d838f
[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" "2c47b62be9e4c2b55bcf70ea5e7935b31595029a4d89b46c698fd238e34d838f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rprompt-bcb91823041780ee
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rprompt
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c47b62be9e4c2b55bcf70ea5e7935b31595029a4d89b46c698fd238e34d838f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c47b62be9e4c2b55bcf70ea5e7935b31595029a4d89b46c698fd238e34d838f", kill_on_drop: false }`
[INFO] [stdout] 2c47b62be9e4c2b55bcf70ea5e7935b31595029a4d89b46c698fd238e34d838f