[INFO] fetching crate unchecked_unwrap 2.0.2...
[INFO] testing unchecked_unwrap-2.0.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate unchecked_unwrap 2.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unchecked_unwrap 2.0.2 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 unchecked_unwrap 2.0.2
[INFO] finished tweaking crates.io crate unchecked_unwrap 2.0.2
[INFO] tweaked toml for crates.io crate unchecked_unwrap 2.0.2 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] cbe96cced963e02b03fa630dfe8706f1e617803d08dd57c8fe1d609ab1257991
[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" "cbe96cced963e02b03fa630dfe8706f1e617803d08dd57c8fe1d609ab1257991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe96cced963e02b03fa630dfe8706f1e617803d08dd57c8fe1d609ab1257991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe96cced963e02b03fa630dfe8706f1e617803d08dd57c8fe1d609ab1257991", kill_on_drop: false }`
[INFO] [stdout] cbe96cced963e02b03fa630dfe8706f1e617803d08dd57c8fe1d609ab1257991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 4188e4f073604964838d5a7251f532327d889b5f81b8b95a531bf6f615d54759
[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" "4188e4f073604964838d5a7251f532327d889b5f81b8b95a531bf6f615d54759", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4188e4f073604964838d5a7251f532327d889b5f81b8b95a531bf6f615d54759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4188e4f073604964838d5a7251f532327d889b5f81b8b95a531bf6f615d54759", kill_on_drop: false }`
[INFO] [stdout] 4188e4f073604964838d5a7251f532327d889b5f81b8b95a531bf6f615d54759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 660bb59e295774a0dd5de8918153d2cc7ee252cdee661ebf873363e6a3d5fdb1
[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" "660bb59e295774a0dd5de8918153d2cc7ee252cdee661ebf873363e6a3d5fdb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "660bb59e295774a0dd5de8918153d2cc7ee252cdee661ebf873363e6a3d5fdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660bb59e295774a0dd5de8918153d2cc7ee252cdee661ebf873363e6a3d5fdb1", kill_on_drop: false }`
[INFO] [stdout] 660bb59e295774a0dd5de8918153d2cc7ee252cdee661ebf873363e6a3d5fdb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4cc68ac842676d2b5696743ecf2c5847398cdae51a01e756032e43ffbbdf7a56
[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" "4cc68ac842676d2b5696743ecf2c5847398cdae51a01e756032e43ffbbdf7a56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-0002217f9ee5d61d
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test result_unwrap_success ... ok
[INFO] [stdout] test result_expect_success ... ok
[INFO] [stdout] test option_unwrap_success ... ok
[INFO] [stdout] test option_expect_success ... ok
[INFO] [stdout] test option_expect_failure ... ok
[INFO] [stdout] test result_expect_failure ... ok
[INFO] [stdout] test result_unwrap_failure ... ok
[INFO] [stdout] test option_unwrap_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unchecked_unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - UncheckedUnwrap::unchecked_unwrap (line 86) ... ok
[INFO] [stdout] test src/lib.rs - UncheckedExpect::unchecked_expect (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cc68ac842676d2b5696743ecf2c5847398cdae51a01e756032e43ffbbdf7a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc68ac842676d2b5696743ecf2c5847398cdae51a01e756032e43ffbbdf7a56", kill_on_drop: false }`
[INFO] [stdout] 4cc68ac842676d2b5696743ecf2c5847398cdae51a01e756032e43ffbbdf7a56