[INFO] fetching crate gmarkov-lib 0.1.1...
[INFO] testing gmarkov-lib-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gmarkov-lib 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gmarkov-lib 0.1.1 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 gmarkov-lib 0.1.1
[INFO] finished tweaking crates.io crate gmarkov-lib 0.1.1
[INFO] tweaked toml for crates.io crate gmarkov-lib 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 72fe3c73f2937d1ccd050bd4a6a8694b07a4a4a9d4d7b2a72f7326adfb30adce
[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" "72fe3c73f2937d1ccd050bd4a6a8694b07a4a4a9d4d7b2a72f7326adfb30adce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72fe3c73f2937d1ccd050bd4a6a8694b07a4a4a9d4d7b2a72f7326adfb30adce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fe3c73f2937d1ccd050bd4a6a8694b07a4a4a9d4d7b2a72f7326adfb30adce", kill_on_drop: false }`
[INFO] [stdout] 72fe3c73f2937d1ccd050bd4a6a8694b07a4a4a9d4d7b2a72f7326adfb30adce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 19665ffb49abcc208bffc92e1f93ba2b337ad73bbd6fb588f3704c7cfce5134b
[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" "19665ffb49abcc208bffc92e1f93ba2b337ad73bbd6fb588f3704c7cfce5134b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmarkov-lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "19665ffb49abcc208bffc92e1f93ba2b337ad73bbd6fb588f3704c7cfce5134b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19665ffb49abcc208bffc92e1f93ba2b337ad73bbd6fb588f3704c7cfce5134b", kill_on_drop: false }`
[INFO] [stdout] 19665ffb49abcc208bffc92e1f93ba2b337ad73bbd6fb588f3704c7cfce5134b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1ad3c1152fe05e2e192cb589da13e771a734b0708a154fafdc6b466e3be016f3
[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" "1ad3c1152fe05e2e192cb589da13e771a734b0708a154fafdc6b466e3be016f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmarkov-lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "1ad3c1152fe05e2e192cb589da13e771a734b0708a154fafdc6b466e3be016f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad3c1152fe05e2e192cb589da13e771a734b0708a154fafdc6b466e3be016f3", kill_on_drop: false }`
[INFO] [stdout] 1ad3c1152fe05e2e192cb589da13e771a734b0708a154fafdc6b466e3be016f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 26a7c0008d3cf5fe54bdbabacb659ffd4ec1826bfba00df34f69b88c0cbbf97d
[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" "26a7c0008d3cf5fe54bdbabacb659ffd4ec1826bfba00df34f69b88c0cbbf97d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gmarkov_lib-e674782dfbba3e3b
[INFO] [stdout] test tests::chain ... ok
[INFO] [stderr]    Doc-tests gmarkov-lib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26a7c0008d3cf5fe54bdbabacb659ffd4ec1826bfba00df34f69b88c0cbbf97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a7c0008d3cf5fe54bdbabacb659ffd4ec1826bfba00df34f69b88c0cbbf97d", kill_on_drop: false }`
[INFO] [stdout] 26a7c0008d3cf5fe54bdbabacb659ffd4ec1826bfba00df34f69b88c0cbbf97d