[INFO] fetching crate rconn 1.0.0-a2...
[INFO] testing rconn-1.0.0-a2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rconn 1.0.0-a2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rconn 1.0.0-a2
[INFO] finished tweaking crates.io crate rconn 1.0.0-a2
[INFO] tweaked toml for crates.io crate rconn 1.0.0-a2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rconn 1.0.0-a2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rconn 1.0.0-a2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] [stderr]   Downloaded rand v0.9.0
[INFO] [stderr]   Downloaded tokio v1.44.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1283c2294ad47fbe59834176fad7a54bbc2dfc97e0bcafb90a7ea55a69d64d5f
[INFO] running `Command { std: "docker" "start" "-a" "1283c2294ad47fbe59834176fad7a54bbc2dfc97e0bcafb90a7ea55a69d64d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1283c2294ad47fbe59834176fad7a54bbc2dfc97e0bcafb90a7ea55a69d64d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1283c2294ad47fbe59834176fad7a54bbc2dfc97e0bcafb90a7ea55a69d64d5f", kill_on_drop: false }`
[INFO] [stdout] 1283c2294ad47fbe59834176fad7a54bbc2dfc97e0bcafb90a7ea55a69d64d5f
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdfbda253ddaae0c85846b3b98f0b4a18adecd9bb69a025800503b428cde44e1
[INFO] running `Command { std: "docker" "start" "-a" "fdfbda253ddaae0c85846b3b98f0b4a18adecd9bb69a025800503b428cde44e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rconn v1.0.0-a2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "fdfbda253ddaae0c85846b3b98f0b4a18adecd9bb69a025800503b428cde44e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfbda253ddaae0c85846b3b98f0b4a18adecd9bb69a025800503b428cde44e1", kill_on_drop: false }`
[INFO] [stdout] fdfbda253ddaae0c85846b3b98f0b4a18adecd9bb69a025800503b428cde44e1
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c2e2c54e33c5596e1b5cbbe8f49e21a5b030bf553b53ff5cbeef4703941edf
[INFO] running `Command { std: "docker" "start" "-a" "e9c2e2c54e33c5596e1b5cbbe8f49e21a5b030bf553b53ff5cbeef4703941edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rconn v1.0.0-a2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]  --> src/tests/client.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Test;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "e9c2e2c54e33c5596e1b5cbbe8f49e21a5b030bf553b53ff5cbeef4703941edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c2e2c54e33c5596e1b5cbbe8f49e21a5b030bf553b53ff5cbeef4703941edf", kill_on_drop: false }`
[INFO] [stdout] e9c2e2c54e33c5596e1b5cbbe8f49e21a5b030bf553b53ff5cbeef4703941edf
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79cd0b1d6c796c1cff2b77c5336fc79fea4cd0d97e75fc1b7eef81bbf01895f2
[INFO] running `Command { std: "docker" "start" "-a" "79cd0b1d6c796c1cff2b77c5336fc79fea4cd0d97e75fc1b7eef81bbf01895f2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Test` is never constructed
[INFO] [stderr]  --> src/tests/client.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Test;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rconn` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rconn-653b04d1a8009919)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::server::server_test ... ok
[INFO] [stderr]    Doc-tests rconn
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.74s
[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" "79cd0b1d6c796c1cff2b77c5336fc79fea4cd0d97e75fc1b7eef81bbf01895f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cd0b1d6c796c1cff2b77c5336fc79fea4cd0d97e75fc1b7eef81bbf01895f2", kill_on_drop: false }`
[INFO] [stdout] 79cd0b1d6c796c1cff2b77c5336fc79fea4cd0d97e75fc1b7eef81bbf01895f2