[INFO] fetching crate redcon 0.1.2...
[INFO] testing redcon-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate redcon 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate redcon 0.1.2
[INFO] finished tweaking crates.io crate redcon 0.1.2
[INFO] tweaked toml for crates.io crate redcon 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate redcon 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5cec59fd015e34868f5443fa88a4bf94227a843d2c6049b7488339ee76939a5
[INFO] running `Command { std: "docker" "start" "-a" "f5cec59fd015e34868f5443fa88a4bf94227a843d2c6049b7488339ee76939a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5cec59fd015e34868f5443fa88a4bf94227a843d2c6049b7488339ee76939a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cec59fd015e34868f5443fa88a4bf94227a843d2c6049b7488339ee76939a5", kill_on_drop: false }`
[INFO] [stdout] f5cec59fd015e34868f5443fa88a4bf94227a843d2c6049b7488339ee76939a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78f6ce5b70e37ae0d1f78c73daeb6ae1fd3fba45d205f693eb651dc864bab96
[INFO] running `Command { std: "docker" "start" "-a" "b78f6ce5b70e37ae0d1f78c73daeb6ae1fd3fba45d205f693eb651dc864bab96", kill_on_drop: false }`
[INFO] [stderr]    Compiling redcon v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     drop(s);
[INFO] [stdout]     |     ^^^^^-^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Server<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 437 -     drop(s);
[INFO] [stdout] 437 +     let _ = s;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b78f6ce5b70e37ae0d1f78c73daeb6ae1fd3fba45d205f693eb651dc864bab96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78f6ce5b70e37ae0d1f78c73daeb6ae1fd3fba45d205f693eb651dc864bab96", kill_on_drop: false }`
[INFO] [stdout] b78f6ce5b70e37ae0d1f78c73daeb6ae1fd3fba45d205f693eb651dc864bab96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649308a9f196ce6eea873cd8084f9d587a40703b02990e651a5d28f23db96ca4
[INFO] running `Command { std: "docker" "start" "-a" "649308a9f196ce6eea873cd8084f9d587a40703b02990e651a5d28f23db96ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling redcon v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     drop(s);
[INFO] [stdout]     |     ^^^^^-^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Server<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 437 -     drop(s);
[INFO] [stdout] 437 +     let _ = s;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     drop(s);
[INFO] [stdout]     |     ^^^^^-^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Server<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 437 -     drop(s);
[INFO] [stdout] 437 +     let _ = s;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "649308a9f196ce6eea873cd8084f9d587a40703b02990e651a5d28f23db96ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649308a9f196ce6eea873cd8084f9d587a40703b02990e651a5d28f23db96ca4", kill_on_drop: false }`
[INFO] [stdout] 649308a9f196ce6eea873cd8084f9d587a40703b02990e651a5d28f23db96ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac5a9d6232ca0dcd5271f2d9e94c3f67ab1ed4fc8b57a0c05c899a78200e70b6
[INFO] running `Command { std: "docker" "start" "-a" "ac5a9d6232ca0dcd5271f2d9e94c3f67ab1ed4fc8b57a0c05c899a78200e70b6", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/lib.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     drop(s);
[INFO] [stderr]     |     ^^^^^-^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut Server<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 437 -     drop(s);
[INFO] [stderr] 437 +     let _ = s;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `redcon` (lib) generated 1 warning
[INFO] [stderr] warning: `redcon` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/redcon-0d5eb6891dfc1083)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests redcon
[INFO] [stdout] test test::connections ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - listen (line 397) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac5a9d6232ca0dcd5271f2d9e94c3f67ab1ed4fc8b57a0c05c899a78200e70b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5a9d6232ca0dcd5271f2d9e94c3f67ab1ed4fc8b57a0c05c899a78200e70b6", kill_on_drop: false }`
[INFO] [stdout] ac5a9d6232ca0dcd5271f2d9e94c3f67ab1ed4fc8b57a0c05c899a78200e70b6