[INFO] fetching crate buf-rand 0.1.3...
[INFO] testing buf-rand-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate buf-rand 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate buf-rand 0.1.3 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 buf-rand 0.1.3
[INFO] finished tweaking crates.io crate buf-rand 0.1.3
[INFO] tweaked toml for crates.io crate buf-rand 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate buf-rand 0.1.3 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4b16544831eba3b32fd5dfc14197e8537d331e31572da83a0e4dfbdcfda6b269
[INFO] running `Command { std: "docker" "start" "-a" "4b16544831eba3b32fd5dfc14197e8537d331e31572da83a0e4dfbdcfda6b269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b16544831eba3b32fd5dfc14197e8537d331e31572da83a0e4dfbdcfda6b269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b16544831eba3b32fd5dfc14197e8537d331e31572da83a0e4dfbdcfda6b269", kill_on_drop: false }`
[INFO] [stdout] 4b16544831eba3b32fd5dfc14197e8537d331e31572da83a0e4dfbdcfda6b269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 79afafac468941c1672d9215ae952d3feaa47e1f0245ba7590d21f2abf41bdf9
[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" "79afafac468941c1672d9215ae952d3feaa47e1f0245ba7590d21f2abf41bdf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling buf-rand v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "79afafac468941c1672d9215ae952d3feaa47e1f0245ba7590d21f2abf41bdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79afafac468941c1672d9215ae952d3feaa47e1f0245ba7590d21f2abf41bdf9", kill_on_drop: false }`
[INFO] [stdout] 79afafac468941c1672d9215ae952d3feaa47e1f0245ba7590d21f2abf41bdf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c09b1646d6850b123339f0f11841fd17d39ce9b3806fed9d1dd4ae4360632f9
[INFO] running `Command { std: "docker" "start" "-a" "9c09b1646d6850b123339f0f11841fd17d39ce9b3806fed9d1dd4ae4360632f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling buf-rand v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "9c09b1646d6850b123339f0f11841fd17d39ce9b3806fed9d1dd4ae4360632f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c09b1646d6850b123339f0f11841fd17d39ce9b3806fed9d1dd4ae4360632f9", kill_on_drop: false }`
[INFO] [stdout] 9c09b1646d6850b123339f0f11841fd17d39ce9b3806fed9d1dd4ae4360632f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e140bf3999d6e08f7cfc876825c2dc453955b7c912d267c1e85924202b2f28c3
[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" "e140bf3999d6e08f7cfc876825c2dc453955b7c912d267c1e85924202b2f28c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buf_rand-d17428299786d361
[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] [stderr]    Doc-tests buf-rand
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - BufRand<R>::next_bool (line 28) ... ok
[INFO] [stdout] test src/lib.rs - BufRand<R>::rand_char_case (line 48) ... ok
[INFO] [stdout] test src/lib.rs - BufRand<R>::rand_string_case (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e140bf3999d6e08f7cfc876825c2dc453955b7c912d267c1e85924202b2f28c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e140bf3999d6e08f7cfc876825c2dc453955b7c912d267c1e85924202b2f28c3", kill_on_drop: false }`
[INFO] [stdout] e140bf3999d6e08f7cfc876825c2dc453955b7c912d267c1e85924202b2f28c3