[INFO] fetching crate natural_numbers 0.1.0...
[INFO] testing natural_numbers-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate natural_numbers 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate natural_numbers 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate natural_numbers 0.1.0
[INFO] finished tweaking crates.io crate natural_numbers 0.1.0
[INFO] tweaked toml for crates.io crate natural_numbers 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c793da756e55ccd1aac795b8117d330add8263ff95f13fc813823a40678f8038
[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" "c793da756e55ccd1aac795b8117d330add8263ff95f13fc813823a40678f8038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c793da756e55ccd1aac795b8117d330add8263ff95f13fc813823a40678f8038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c793da756e55ccd1aac795b8117d330add8263ff95f13fc813823a40678f8038", kill_on_drop: false }`
[INFO] [stdout] c793da756e55ccd1aac795b8117d330add8263ff95f13fc813823a40678f8038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5379733a025cd26e0dfcf17979bd9d3dacce50a0eb9e51f7fde482e9f9b037cf
[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" "5379733a025cd26e0dfcf17979bd9d3dacce50a0eb9e51f7fde482e9f9b037cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling natural_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "5379733a025cd26e0dfcf17979bd9d3dacce50a0eb9e51f7fde482e9f9b037cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5379733a025cd26e0dfcf17979bd9d3dacce50a0eb9e51f7fde482e9f9b037cf", kill_on_drop: false }`
[INFO] [stdout] 5379733a025cd26e0dfcf17979bd9d3dacce50a0eb9e51f7fde482e9f9b037cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8a160030e96c85697050e1a97f7c660a9500f6d6773391d6a457f56b8e0fb07
[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" "c8a160030e96c85697050e1a97f7c660a9500f6d6773391d6a457f56b8e0fb07", kill_on_drop: false }`
[INFO] [stderr]    Compiling natural_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "c8a160030e96c85697050e1a97f7c660a9500f6d6773391d6a457f56b8e0fb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a160030e96c85697050e1a97f7c660a9500f6d6773391d6a457f56b8e0fb07", kill_on_drop: false }`
[INFO] [stdout] c8a160030e96c85697050e1a97f7c660a9500f6d6773391d6a457f56b8e0fb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 226837873d5bc16f5b50f7a8c96a129ef34abdb850082418adf01d3566a574e3
[INFO] running `Command { std: "docker" "start" "-a" "226837873d5bc16f5b50f7a8c96a129ef34abdb850082418adf01d3566a574e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/natural_numbers-a02b5144c64dfc41
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/natural_numbers-09d06a9b4189bf6d
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests natural_numbers
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Nat::add (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Nat::value (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Nat::wrap (line 22) ... ok
[INFO] [stdout] test src/lib.rs - Nat::pred (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Nat::succ (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "226837873d5bc16f5b50f7a8c96a129ef34abdb850082418adf01d3566a574e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226837873d5bc16f5b50f7a8c96a129ef34abdb850082418adf01d3566a574e3", kill_on_drop: false }`
[INFO] [stdout] 226837873d5bc16f5b50f7a8c96a129ef34abdb850082418adf01d3566a574e3
