[INFO] cloning repository https://github.com/remexre/stahlnet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/stahlnet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fstahlnet-rs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a33d0a80a1fac781c221c26a74477784a9d2996
[INFO] testing remexre/stahlnet-rs against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fstahlnet-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/remexre/stahlnet-rs
[INFO] finished tweaking git repo https://github.com/remexre/stahlnet-rs
[INFO] tweaked toml for git repo https://github.com/remexre/stahlnet-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/remexre/stahlnet-rs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/remexre/stahlnet-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b305eee71eae9c5775128190b6c8656061d434a177220fb9d5b9f75c4c19ba
[INFO] running `Command { std: "docker" "start" "-a" "14b305eee71eae9c5775128190b6c8656061d434a177220fb9d5b9f75c4c19ba", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd21d9a063b10c36b469f7f1744e094459b2573ccea7c47db48aa790c660a60
[INFO] running `Command { std: "docker" "start" "-a" "dcd21d9a063b10c36b469f7f1744e094459b2573ccea7c47db48aa790c660a60", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v0.1.4
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[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
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[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling libremexre v0.1.12
[INFO] [stderr]    Compiling stahlnet v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     legacy_directory_ownership,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 drop(self.peers.remove(&peer));
[INFO] [stdout]     |                 ^^^^^------------------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 drop(self.peers.remove(&peer));
[INFO] [stdout] 133 +                 let _ = self.peers.remove(&peer);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout]     |                     ^^^^^--------------------------------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<(u64, std::net::SocketAddr)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 143 -                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout] 143 +                     let _ = self.routes.insert(task, (hops, peer));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "dcd21d9a063b10c36b469f7f1744e094459b2573ccea7c47db48aa790c660a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd21d9a063b10c36b469f7f1744e094459b2573ccea7c47db48aa790c660a60", kill_on_drop: false }`
[INFO] [stdout] dcd21d9a063b10c36b469f7f1744e094459b2573ccea7c47db48aa790c660a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0fc2f1e380af743a2cb42843141da856c8a716310399d1960eec25914fde374
[INFO] running `Command { std: "docker" "start" "-a" "e0fc2f1e380af743a2cb42843141da856c8a716310399d1960eec25914fde374", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     legacy_directory_ownership,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 drop(self.peers.remove(&peer));
[INFO] [stdout]     |                 ^^^^^------------------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 drop(self.peers.remove(&peer));
[INFO] [stdout] 133 +                 let _ = self.peers.remove(&peer);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout]     |                     ^^^^^--------------------------------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<(u64, std::net::SocketAddr)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 143 -                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout] 143 +                     let _ = self.routes.insert(task, (hops, peer));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling stahlnet v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     legacy_directory_ownership,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 drop(self.peers.remove(&peer));
[INFO] [stdout]     |                 ^^^^^------------------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 drop(self.peers.remove(&peer));
[INFO] [stdout] 133 +                 let _ = self.peers.remove(&peer);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/server.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout]     |                     ^^^^^--------------------------------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<(u64, std::net::SocketAddr)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 143 -                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stdout] 143 +                     let _ = self.routes.insert(task, (hops, peer));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "e0fc2f1e380af743a2cb42843141da856c8a716310399d1960eec25914fde374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fc2f1e380af743a2cb42843141da856c8a716310399d1960eec25914fde374", kill_on_drop: false }`
[INFO] [stdout] e0fc2f1e380af743a2cb42843141da856c8a716310399d1960eec25914fde374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02fa989700cb6a03f75243b9db3a851e83a19a3eefde836aeeee04f9254cc1fd
[INFO] running `Command { std: "docker" "start" "-a" "02fa989700cb6a03f75243b9db3a851e83a19a3eefde836aeeee04f9254cc1fd", kill_on_drop: false }`
[INFO] [stderr] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stdout] running 3 tests
[INFO] [stderr]   |
[INFO] [stderr] 5 |     const_err,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     legacy_directory_ownership,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     plugin_as_library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     private_in_public,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     safe_extern_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     unions_with_drop_fields,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/server.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 drop(self.peers.remove(&peer));
[INFO] [stderr]     |                 ^^^^^------------------------^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      argument has type `bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 133 -                 drop(self.peers.remove(&peer));
[INFO] [stderr] 133 +                 let _ = self.peers.remove(&peer);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/server.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stderr]     |                     ^^^^^--------------------------------------^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          argument has type `Option<(u64, std::net::SocketAddr)>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 143 -                     drop(self.routes.insert(task, (hops, peer)));
[INFO] [stderr] 143 +                     let _ = self.routes.insert(task, (hops, peer));
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `stahlnet` (lib) generated 8 warnings
[INFO] [stderr] warning: `stahlnet` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stahlnet-9b151dc9a6d61c9f)
[INFO] [stdout] test tests::leak_check_tasks ... ok
[INFO] [stdout] test tests::leak_check_queued ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tokio-runtime-worker-0' (30) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.10/src/lib.rs:243:25:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x63421008f6e2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x63421008f6e2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x63421008f6e2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x63421008f6e2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x6342100a4a2a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x6342100a4a2a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stderr]    6:     0x6342100953c6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x6342100953c6 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x63421006d40f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x63421006d40f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x634210087841 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x63420ff5a61e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x63420ff5a61e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x634210087a32 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x634210087a32 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x63421006d4fa - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x634210064e69 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x63421006e31d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x6342100a4f8d - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x6342100a4f8d - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   20:     0x634210028044 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x6342100283b9 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[crossbeam_epoch[21fd546362f5169e]::deferred::Deferred]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x634210029449 - <[crossbeam_epoch[21fd546362f5169e]::deferred::Deferred]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/mod.rs:691:30
[INFO] [stderr]   23:     0x634210027291 - <arrayvec[3239358ca34f3732]::ArrayVec<[crossbeam_epoch[21fd546362f5169e]::deferred::Deferred; 64usize]>>::push_unchecked
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.10/src/lib.rs:243:25
[INFO] [stderr]   24:     0x634210027648 - <arrayvec[3239358ca34f3732]::ArrayVec<[crossbeam_epoch[21fd546362f5169e]::deferred::Deferred; 64usize]>>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.10/src/lib.rs:209:22
[INFO] [stderr]   25:     0x634210027805 - <crossbeam_epoch[21fd546362f5169e]::internal::Bag>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:93:24
[INFO] [stderr]   26:     0x634210026939 - <crossbeam_epoch[21fd546362f5169e]::internal::Local>::defer
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:324:32
[INFO] [stderr]   27:     0x634210029403 - <crossbeam_epoch[21fd546362f5169e]::guard::Guard>::defer_unchecked::<<crossbeam_epoch[21fd546362f5169e]::sync::list::Iter<crossbeam_epoch[21fd546362f5169e]::internal::Local, crossbeam_epoch[21fd546362f5169e]::internal::Local> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::next::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/guard.rs:195:19
[INFO] [stderr]   28:     0x6342100287f8 - <crossbeam_epoch[21fd546362f5169e]::sync::list::Iter<crossbeam_epoch[21fd546362f5169e]::internal::Local, crossbeam_epoch[21fd546362f5169e]::internal::Local> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/sync/list.rs:260:40
[INFO] [stderr]   29:     0x634210026036 - <crossbeam_epoch[21fd546362f5169e]::internal::Global>::try_advance
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:210:22
[INFO] [stderr]   30:     0x6342100262f5 - <crossbeam_epoch[21fd546362f5169e]::internal::Global>::collect
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:175:33
[INFO] [stderr]   31:     0x634210026856 - <crossbeam_epoch[21fd546362f5169e]::internal::Local>::pin
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:390:31
[INFO] [stderr]   32:     0x634210026c7c - <crossbeam_epoch[21fd546362f5169e]::internal::Local>::finalize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:468:31
[INFO] [stderr]   33:     0x63420ffdc2fd - <crossbeam_epoch[21fd546362f5169e]::internal::Local>::release_handle
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/internal.rs:452:18
[INFO] [stderr]   34:     0x63420ffe0e72 - <crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle as core[c5ed12ab89cc536a]::ops::drop::Drop>::drop
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.1/src/collector.rs:95:13
[INFO] [stderr]   35:     0x63420fff7fca - core[c5ed12ab89cc536a]::ptr::drop_in_place::<crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ptr/mod.rs:805:1
[INFO] [stderr]   36:     0x63420fff01f9 - <core[c5ed12ab89cc536a]::mem::maybe_uninit::MaybeUninit<crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle>>::assume_init_drop
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/mem/maybe_uninit.rs:814:18
[INFO] [stderr]   37:     0x63420fff01f9 - std[716c9a7a72e5c14e]::sys::thread_local::native::lazy::destroy::<crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle>::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread_local/native/lazy.rs:121:45
[INFO] [stderr]   38:     0x63420fff1ed2 - std[716c9a7a72e5c14e]::sys::thread_local::abort_on_dtor_unwind::<std[716c9a7a72e5c14e]::sys::thread_local::native::lazy::destroy<crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle>::{closure#0}>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread_local/mod.rs:210:5
[INFO] [stderr]   39:     0x63420ffefd31 - std[716c9a7a72e5c14e]::sys::thread_local::native::lazy::destroy::<crossbeam_epoch[21fd546362f5169e]::collector::LocalHandle>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread_local/native/lazy.rs:114:5
[INFO] [stderr]   40:     0x72ff698ec72f - __call_tls_dtors
[INFO] [stderr]   41:     0x72ff6994188b - <unknown>
[INFO] [stderr]   42:     0x72ff699cea64 - clone
[INFO] [stderr]   43:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/stahlnet-9b151dc9a6d61c9f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "02fa989700cb6a03f75243b9db3a851e83a19a3eefde836aeeee04f9254cc1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fa989700cb6a03f75243b9db3a851e83a19a3eefde836aeeee04f9254cc1fd", kill_on_drop: false }`
[INFO] [stdout] 02fa989700cb6a03f75243b9db3a851e83a19a3eefde836aeeee04f9254cc1fd
