[INFO] cloning repository https://github.com/betamos/safe-leaks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/betamos/safe-leaks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetamos%2Fsafe-leaks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetamos%2Fsafe-leaks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22dcf8fcd7ff31520c37ef26867e9deb73f5e8f9
[INFO] testing betamos/safe-leaks against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetamos%2Fsafe-leaks" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/betamos/safe-leaks on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/betamos/safe-leaks
[INFO] finished tweaking git repo https://github.com/betamos/safe-leaks
[INFO] tweaked toml for git repo https://github.com/betamos/safe-leaks written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/betamos/safe-leaks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fb5302d6fb2771016a8cd8119c1765671b3ebea9d73191dc1d6b3438a4584c
[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" "f4fb5302d6fb2771016a8cd8119c1765671b3ebea9d73191dc1d6b3438a4584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fb5302d6fb2771016a8cd8119c1765671b3ebea9d73191dc1d6b3438a4584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fb5302d6fb2771016a8cd8119c1765671b3ebea9d73191dc1d6b3438a4584c", kill_on_drop: false }`
[INFO] [stdout] f4fb5302d6fb2771016a8cd8119c1765671b3ebea9d73191dc1d6b3438a4584c
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc13835d3a50aa2654b976f799e0ed21300f1b69fbddf1e8e7f5df6c167b81e6
[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" "bc13835d3a50aa2654b976f799e0ed21300f1b69fbddf1e8e7f5df6c167b81e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safe-leaks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "bc13835d3a50aa2654b976f799e0ed21300f1b69fbddf1e8e7f5df6c167b81e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc13835d3a50aa2654b976f799e0ed21300f1b69fbddf1e8e7f5df6c167b81e6", kill_on_drop: false }`
[INFO] [stdout] bc13835d3a50aa2654b976f799e0ed21300f1b69fbddf1e8e7f5df6c167b81e6
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61cffdac8ff030e76d5c33f434c8a598299dd47d08f543d316d328b77ef685e8
[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" "61cffdac8ff030e76d5c33f434c8a598299dd47d08f543d316d328b77ef685e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-leaks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]   --> src/tests.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let _: [Box<dyn Drop>; 2] = [Box::new(PanicDropper), Box::new(leak_me)];
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dyn_drop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]   --> src/tests.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |             let _: Vec<Box<dyn Drop>> = vec![Box::new(PanicDropper), Box::new(leak_me)];
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "61cffdac8ff030e76d5c33f434c8a598299dd47d08f543d316d328b77ef685e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61cffdac8ff030e76d5c33f434c8a598299dd47d08f543d316d328b77ef685e8", kill_on_drop: false }`
[INFO] [stdout] 61cffdac8ff030e76d5c33f434c8a598299dd47d08f543d316d328b77ef685e8
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f85dd55a0e195928ddbf7c8d3dfc472c6e6349d00a6c2bf7bf62c001552d4470
[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" "f85dd55a0e195928ddbf7c8d3dfc472c6e6349d00a6c2bf7bf62c001552d4470", kill_on_drop: false }`
[INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stderr]   --> src/tests.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let _: [Box<dyn Drop>; 2] = [Box::new(PanicDropper), Box::new(leak_me)];
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dyn_drop)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stderr]   --> src/tests.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let _: Vec<Box<dyn Drop>> = vec![Box::new(PanicDropper), Box::new(leak_me)];
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `safe-leaks` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safe_leaks-3d1bdafd4dfac5fa)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::arc_cycle ... ok
[INFO] [stdout] test tests::box_into_raw_pointer ... ok
[INFO] [stdout] test tests::box_leak ... ok
[INFO] [stdout] test tests::maybe_uninit ... ok
[INFO] [stdout] test tests::implicit_drop ... ok
[INFO] [stdout] test tests::rc_cycle ... ok
[INFO] [stdout] test tests::mem_forget ... ok
[INFO] [stdout] test tests::manually_drop ... ok
[INFO] [stderr]    Doc-tests safe-leaks
[INFO] [stdout] test tests::panic_drop_in_array ... ok
[INFO] [stdout] test tests::panic_drop_in_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f85dd55a0e195928ddbf7c8d3dfc472c6e6349d00a6c2bf7bf62c001552d4470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85dd55a0e195928ddbf7c8d3dfc472c6e6349d00a6c2bf7bf62c001552d4470", kill_on_drop: false }`
[INFO] [stdout] f85dd55a0e195928ddbf7c8d3dfc472c6e6349d00a6c2bf7bf62c001552d4470