[INFO] fetching crate zwiesel 0.1.0...
[INFO] testing zwiesel-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate zwiesel 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zwiesel 0.1.0
[INFO] finished tweaking crates.io crate zwiesel 0.1.0
[INFO] tweaked toml for crates.io crate zwiesel 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zwiesel 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zwiesel 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd4521791b3b2e969ae0788c21f6ce1f983814eae0a3c73cab1af461ae7ddece
[INFO] running `Command { std: "docker" "start" "-a" "bd4521791b3b2e969ae0788c21f6ce1f983814eae0a3c73cab1af461ae7ddece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4521791b3b2e969ae0788c21f6ce1f983814eae0a3c73cab1af461ae7ddece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4521791b3b2e969ae0788c21f6ce1f983814eae0a3c73cab1af461ae7ddece", kill_on_drop: false }`
[INFO] [stdout] bd4521791b3b2e969ae0788c21f6ce1f983814eae0a3c73cab1af461ae7ddece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d7eedc57b1de77486127dca6110458f578070d85f36817cda56dcaf1a00343
[INFO] running `Command { std: "docker" "start" "-a" "49d7eedc57b1de77486127dca6110458f578070d85f36817cda56dcaf1a00343", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling zwiesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "49d7eedc57b1de77486127dca6110458f578070d85f36817cda56dcaf1a00343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d7eedc57b1de77486127dca6110458f578070d85f36817cda56dcaf1a00343", kill_on_drop: false }`
[INFO] [stdout] 49d7eedc57b1de77486127dca6110458f578070d85f36817cda56dcaf1a00343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a1b7629cbc19c1e035dba87a737474e6b457f6d5bd57ebb73e3a3d47144462
[INFO] running `Command { std: "docker" "start" "-a" "06a1b7629cbc19c1e035dba87a737474e6b457f6d5bd57ebb73e3a3d47144462", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling zwiesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "06a1b7629cbc19c1e035dba87a737474e6b457f6d5bd57ebb73e3a3d47144462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a1b7629cbc19c1e035dba87a737474e6b457f6d5bd57ebb73e3a3d47144462", kill_on_drop: false }`
[INFO] [stdout] 06a1b7629cbc19c1e035dba87a737474e6b457f6d5bd57ebb73e3a3d47144462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 343b62e0c45c57570f969e83108334394a744abbc77d68e548fad406163c1d49
[INFO] running `Command { std: "docker" "start" "-a" "343b62e0c45c57570f969e83108334394a744abbc77d68e548fad406163c1d49", kill_on_drop: false }`
[INFO] [stderr] warning: field `addr` is never read
[INFO] [stderr]   --> src/server.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Client {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 44 |     addr: SocketAddr,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zwiesel` (lib) generated 1 warning
[INFO] [stderr] warning: `zwiesel` (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/zwiesel-e6000207da607c0f)
[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]    Doc-tests zwiesel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/server.rs - server::ForeverPending::forever (line 242) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/server.rs - server::ForeverPending::forever (line 242) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `ForeverPending` in this scope
[INFO] [stdout]    --> src/server.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | ForeverPending.await.forever()
[INFO] [stdout]     | ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]    --> src/server.rs:243:16
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_242_0() {
[INFO] [stdout]     |                                      -------------------------------------- this is not `async`
[INFO] [stdout] 243 | ForeverPending.await.forever()
[INFO] [stdout]     |                ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/server.rs - server::ForeverPending::forever (line 242)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "343b62e0c45c57570f969e83108334394a744abbc77d68e548fad406163c1d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343b62e0c45c57570f969e83108334394a744abbc77d68e548fad406163c1d49", kill_on_drop: false }`
[INFO] [stdout] 343b62e0c45c57570f969e83108334394a744abbc77d68e548fad406163c1d49