[INFO] crate rent_to_own 0.1.0 is already in cache
[INFO] testing rent_to_own-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rent_to_own 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rent_to_own 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rent_to_own 0.1.0
[INFO] finished tweaking crates.io crate rent_to_own 0.1.0
[INFO] tweaked toml for crates.io crate rent_to_own 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 69e93e64621585c526081e37f6a4d58561effea2594bf05792c3cdd8fc5e3441
[INFO] running `Command { std: "docker" "start" "-a" "69e93e64621585c526081e37f6a4d58561effea2594bf05792c3cdd8fc5e3441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69e93e64621585c526081e37f6a4d58561effea2594bf05792c3cdd8fc5e3441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e93e64621585c526081e37f6a4d58561effea2594bf05792c3cdd8fc5e3441", kill_on_drop: false }`
[INFO] [stdout] 69e93e64621585c526081e37f6a4d58561effea2594bf05792c3cdd8fc5e3441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] bcf33916eef7b48a9373cb1955011df397a9c5c9bade0dd364ac345a473556c0
[INFO] running `Command { std: "docker" "start" "-a" "bcf33916eef7b48a9373cb1955011df397a9c5c9bade0dd364ac345a473556c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rent_to_own v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bcf33916eef7b48a9373cb1955011df397a9c5c9bade0dd364ac345a473556c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf33916eef7b48a9373cb1955011df397a9c5c9bade0dd364ac345a473556c0", kill_on_drop: false }`
[INFO] [stdout] bcf33916eef7b48a9373cb1955011df397a9c5c9bade0dd364ac345a473556c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c3f52981807229b894936e597c9bc67c1287d2574f167ffcb6b4f547c4257a
[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" "53c3f52981807229b894936e597c9bc67c1287d2574f167ffcb6b4f547c4257a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rent_to_own v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "53c3f52981807229b894936e597c9bc67c1287d2574f167ffcb6b4f547c4257a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c3f52981807229b894936e597c9bc67c1287d2574f167ffcb6b4f547c4257a", kill_on_drop: false }`
[INFO] [stdout] 53c3f52981807229b894936e597c9bc67c1287d2574f167ffcb6b4f547c4257a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d20ab79672fcbacdbf5133c932a725a396cd865901df979153df9ca5f0a6851c
[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" "d20ab79672fcbacdbf5133c932a725a396cd865901df979153df9ca5f0a6851c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rent_to_own-897bb23a44f7377f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_derefs ... ok
[INFO] [stdout] test tests::it_derefs_mut ... ok
[INFO] [stdout] test tests::with_gives_back_untaken_ownership ... ok
[INFO] [stdout] test tests::with_returns_closures_result ... ok
[INFO] [stdout] test tests::it_takes ... ok
[INFO] [stdout] test tests::with_does_not_give_back_taken_ownership ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rent_to_own
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - RentToOwn::take (line 194) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d20ab79672fcbacdbf5133c932a725a396cd865901df979153df9ca5f0a6851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20ab79672fcbacdbf5133c932a725a396cd865901df979153df9ca5f0a6851c", kill_on_drop: false }`
[INFO] [stdout] d20ab79672fcbacdbf5133c932a725a396cd865901df979153df9ca5f0a6851c