[INFO] fetching crate stan 0.0.16...
[INFO] testing stan-0.0.16 against 1.91.0 for beta-1.92-2
[INFO] extracting crate stan 0.0.16 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate stan 0.0.16
[INFO] finished tweaking crates.io crate stan 0.0.16
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[INFO] validating manifest of crates.io crate stan 0.0.16 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] d0297026ce99394dc8aed1d7d3b0d9a417e8bc25d60fe921e6863323e597dea5
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[INFO] [stderr]    Compiling stan v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/lib.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Subscription {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     client: Client,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ping` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-ce51788d76491abc/out/stan.nats_streaming.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Ping {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-ce51788d76491abc/out/stan.nats_streaming.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct PingResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "d0297026ce99394dc8aed1d7d3b0d9a417e8bc25d60fe921e6863323e597dea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0297026ce99394dc8aed1d7d3b0d9a417e8bc25d60fe921e6863323e597dea5", kill_on_drop: false }`
[INFO] [stdout] d0297026ce99394dc8aed1d7d3b0d9a417e8bc25d60fe921e6863323e597dea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d81dac4c31db451a4e2ca0ca7346094b0cc93a6af05bc393da1eee7b9396c6f
[INFO] running `Command { std: "docker" "start" "-a" "8d81dac4c31db451a4e2ca0ca7346094b0cc93a6af05bc393da1eee7b9396c6f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling nkeys v0.0.11
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling nats v0.9.7
[INFO] [stderr]    Compiling cargo-readme v3.2.0
[INFO] [stderr]    Compiling stan v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/lib.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Subscription {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     client: Client,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ping` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Ping {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct PingResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/lib.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Subscription {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     client: Client,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ping` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Ping {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct PingResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 45.59s
[INFO] running `Command { std: "docker" "inspect" "8d81dac4c31db451a4e2ca0ca7346094b0cc93a6af05bc393da1eee7b9396c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d81dac4c31db451a4e2ca0ca7346094b0cc93a6af05bc393da1eee7b9396c6f", kill_on_drop: false }`
[INFO] [stdout] 8d81dac4c31db451a4e2ca0ca7346094b0cc93a6af05bc393da1eee7b9396c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a5501527010994b34451d5834c559df14907fb3057fe0a8fa9fc929ec7a4d81
[INFO] running `Command { std: "docker" "start" "-a" "7a5501527010994b34451d5834c559df14907fb3057fe0a8fa9fc929ec7a4d81", kill_on_drop: false }`
[INFO] [stderr] warning: field `client` is never read
[INFO] [stderr]    --> src/lib.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 157 | pub struct Subscription {
[INFO] [stderr]     |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 164 |     client: Client,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ping` is never constructed
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct Ping {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PingResponse` is never constructed
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/stan-9320b2592ea9da85/out/stan.nats_streaming.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub struct PingResponse {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stan` (lib) generated 3 warnings
[INFO] [stderr] warning: `stan` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stan-d7e7b2b8e7d3d95d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stan-f1023665ca63f2ee)
[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] [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] [stderr]      Running tests/drop_tests.rs (/opt/rustwide/target/debug/deps/drop_tests-45ded7e38456df3f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_client_drop has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7a5501527010994b34451d5834c559df14907fb3057fe0a8fa9fc929ec7a4d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5501527010994b34451d5834c559df14907fb3057fe0a8fa9fc929ec7a4d81", kill_on_drop: false }`
[INFO] [stdout] 7a5501527010994b34451d5834c559df14907fb3057fe0a8fa9fc929ec7a4d81