[INFO] fetching crate dropcheck 0.1.1...
[INFO] testing dropcheck-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dropcheck 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dropcheck 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dropcheck 0.1.1
[INFO] finished tweaking crates.io crate dropcheck 0.1.1
[INFO] tweaked toml for crates.io crate dropcheck 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0346320e0b7bdee0600b188b5a780cdf3bc7df4b97e7e1ae50b02e7c31b1a8c6
[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" "0346320e0b7bdee0600b188b5a780cdf3bc7df4b97e7e1ae50b02e7c31b1a8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0346320e0b7bdee0600b188b5a780cdf3bc7df4b97e7e1ae50b02e7c31b1a8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0346320e0b7bdee0600b188b5a780cdf3bc7df4b97e7e1ae50b02e7c31b1a8c6", kill_on_drop: false }`
[INFO] [stdout] 0346320e0b7bdee0600b188b5a780cdf3bc7df4b97e7e1ae50b02e7c31b1a8c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51b7ef5333e3b4089ad9bbc30bc15317cdd9b364cc4113971aa09ed694d37a6
[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" "f51b7ef5333e3b4089ad9bbc30bc15317cdd9b364cc4113971aa09ed694d37a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dropcheck v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "f51b7ef5333e3b4089ad9bbc30bc15317cdd9b364cc4113971aa09ed694d37a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51b7ef5333e3b4089ad9bbc30bc15317cdd9b364cc4113971aa09ed694d37a6", kill_on_drop: false }`
[INFO] [stdout] f51b7ef5333e3b4089ad9bbc30bc15317cdd9b364cc4113971aa09ed694d37a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5735addf3ec5b53198454ef5da93637f6c121cee5463ba5e5463c69831cce4
[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" "ae5735addf3ec5b53198454ef5da93637f6c121cee5463ba5e5463c69831cce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dropcheck v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ae5735addf3ec5b53198454ef5da93637f6c121cee5463ba5e5463c69831cce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5735addf3ec5b53198454ef5da93637f6c121cee5463ba5e5463c69831cce4", kill_on_drop: false }`
[INFO] [stdout] ae5735addf3ec5b53198454ef5da93637f6c121cee5463ba5e5463c69831cce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 0302e7b04126e39d64d572401ef91401f2b2a554b9243c83d918cfab4f49ba20
[INFO] running `Command { std: "docker" "start" "-a" "0302e7b04126e39d64d572401ef91401f2b2a554b9243c83d918cfab4f49ba20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dropcheck-606db132ef89222d
[INFO] [stderr]    Doc-tests dropcheck
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::all_dropped (line 235) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::none_dropped (line 212) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::pair (line 185) ... ok
[INFO] [stdout] test src/lib.rs - DropToken (line 66) ... ok
[INFO] [stdout] test src/lib.rs - DropToken (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0302e7b04126e39d64d572401ef91401f2b2a554b9243c83d918cfab4f49ba20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0302e7b04126e39d64d572401ef91401f2b2a554b9243c83d918cfab4f49ba20", kill_on_drop: false }`
[INFO] [stdout] 0302e7b04126e39d64d572401ef91401f2b2a554b9243c83d918cfab4f49ba20