[INFO] fetching crate mownstr 0.1.1...
[INFO] testing mownstr-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mownstr 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mownstr 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 mownstr 0.1.1
[INFO] finished tweaking crates.io crate mownstr 0.1.1
[INFO] tweaked toml for crates.io crate mownstr 0.1.1 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41d4fdfc1525ba5e6a6c27d100b9fb04fe5b44e96b3a8c7b420fdecc27b6dc6
[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" "e41d4fdfc1525ba5e6a6c27d100b9fb04fe5b44e96b3a8c7b420fdecc27b6dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41d4fdfc1525ba5e6a6c27d100b9fb04fe5b44e96b3a8c7b420fdecc27b6dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41d4fdfc1525ba5e6a6c27d100b9fb04fe5b44e96b3a8c7b420fdecc27b6dc6", kill_on_drop: false }`
[INFO] [stdout] e41d4fdfc1525ba5e6a6c27d100b9fb04fe5b44e96b3a8c7b420fdecc27b6dc6
[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: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] 388fc3fc4a953a55798bee2ab309732138570ed838c2e68c091077cebbae643d
[INFO] running `Command { std: "docker" "start" "-a" "388fc3fc4a953a55798bee2ab309732138570ed838c2e68c091077cebbae643d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mownstr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "388fc3fc4a953a55798bee2ab309732138570ed838c2e68c091077cebbae643d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388fc3fc4a953a55798bee2ab309732138570ed838c2e68c091077cebbae643d", kill_on_drop: false }`
[INFO] [stdout] 388fc3fc4a953a55798bee2ab309732138570ed838c2e68c091077cebbae643d
[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: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] c482a3362683afd1b785ce06f6cc3914b017f6d4aaa6abcfe72264be539e1fa5
[INFO] running `Command { std: "docker" "start" "-a" "c482a3362683afd1b785ce06f6cc3914b017f6d4aaa6abcfe72264be539e1fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mownstr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "c482a3362683afd1b785ce06f6cc3914b017f6d4aaa6abcfe72264be539e1fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c482a3362683afd1b785ce06f6cc3914b017f6d4aaa6abcfe72264be539e1fa5", kill_on_drop: false }`
[INFO] [stdout] c482a3362683afd1b785ce06f6cc3914b017f6d4aaa6abcfe72264be539e1fa5
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51f442f2e0fd90c92899059ce9103d609bd3f87e7c07cf4b14304abfd0bb5716
[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" "51f442f2e0fd90c92899059ce9103d609bd3f87e7c07cf4b14304abfd0bb5716", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mownstr-956ca79b0fe0d202
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_build_owned_from_string ... ok
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stdout] test test::test_order ... ok
[INFO] [stdout] test test::test_build_owned_from_cow ... ok
[INFO] [stdout] test test::test_build_owned_from_box ... ok
[INFO] [stdout] test test::test_build_borrowed_from_cow ... ok
[INFO] [stdout] test test::test_build_borrowed ... ok
[INFO] [stdout] test test::test_display ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_deref ... ok
[INFO] [stdout] test test::no_double_free ... ok
[INFO] [stdout] test test::no_memory_leak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mownstr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - MownStr::to (line 261) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51f442f2e0fd90c92899059ce9103d609bd3f87e7c07cf4b14304abfd0bb5716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f442f2e0fd90c92899059ce9103d609bd3f87e7c07cf4b14304abfd0bb5716", kill_on_drop: false }`
[INFO] [stdout] 51f442f2e0fd90c92899059ce9103d609bd3f87e7c07cf4b14304abfd0bb5716