[INFO] fetching crate merfolk_frontend_duplex 0.1.0...
[INFO] building merfolk_frontend_duplex-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate merfolk_frontend_duplex 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate merfolk_frontend_duplex 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merfolk_frontend_duplex 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merfolk_frontend_duplex 0.1.0
[INFO] tweaked toml for crates.io crate merfolk_frontend_duplex 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 540a55ba1af31bcd7e4925bcd9034440dc294b341d3b6372ef7e059536667597
[INFO] running `Command { std: "docker" "start" "-a" "540a55ba1af31bcd7e4925bcd9034440dc294b341d3b6372ef7e059536667597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540a55ba1af31bcd7e4925bcd9034440dc294b341d3b6372ef7e059536667597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540a55ba1af31bcd7e4925bcd9034440dc294b341d3b6372ef7e059536667597", kill_on_drop: false }`
[INFO] [stdout] 540a55ba1af31bcd7e4925bcd9034440dc294b341d3b6372ef7e059536667597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c7ab2c504e1d371dce6188abdefc868bf02d816cc2739d7ec90202c0369ddb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c7ab2c504e1d371dce6188abdefc868bf02d816cc2739d7ec90202c0369ddb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling derive_builder v0.10.2
[INFO] [stderr]    Compiling merfolk v0.1.4
[INFO] [stderr]    Compiling merfolk_frontend_duplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.82s
[INFO] running `Command { std: "docker" "inspect" "2c7ab2c504e1d371dce6188abdefc868bf02d816cc2739d7ec90202c0369ddb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7ab2c504e1d371dce6188abdefc868bf02d816cc2739d7ec90202c0369ddb5", kill_on_drop: false }`
[INFO] [stdout] 2c7ab2c504e1d371dce6188abdefc868bf02d816cc2739d7ec90202c0369ddb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f75fc50330661ee2fdbc73ac5374178a200791217186f87804e1290149e4c5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f75fc50330661ee2fdbc73ac5374178a200791217186f87804e1290149e4c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling hyper v0.14.8
[INFO] [stderr]    Compiling merfolk_frontend_duplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let register_first_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let register_first_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let register_second_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |   let register_second_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:30:39
[INFO] [stdout]    |
[INFO] [stdout] 30 |   let (to_first, from_first): (Sender<merfolk_backend_in_process::InProcessChannel>, Receiver<merfolk_backend_in_process::InProcessChanne...
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:30:95
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...essChannel>, Receiver<merfolk_backend_in_process::InProcessChannel>) = mpsc::channel(1);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let (to_second, from_second): (Sender<merfolk_backend_in_process::InProcessChannel>, Receiver<merfolk_backend_in_process::InProcessChan...
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:31:97
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...essChannel>, Receiver<merfolk_backend_in_process::InProcessChannel>) = mpsc::channel(1);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |     .backend(merfolk_backend_in_process::InProcess::builder().to(to_first).from(from_second).build().unwrap())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     .backend(merfolk_backend_in_process::InProcess::builder().to(to_second).from(from_first).build().unwrap())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merfolk_frontend_duplex`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f75fc50330661ee2fdbc73ac5374178a200791217186f87804e1290149e4c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f75fc50330661ee2fdbc73ac5374178a200791217186f87804e1290149e4c5f", kill_on_drop: false }`
[INFO] [stdout] 0f75fc50330661ee2fdbc73ac5374178a200791217186f87804e1290149e4c5f
