[INFO] fetching crate observable-react 0.0.1...
[INFO] testing observable-react-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate observable-react 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate observable-react 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observable-react 0.0.1
[INFO] finished tweaking crates.io crate observable-react 0.0.1
[INFO] tweaked toml for crates.io crate observable-react 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f3baf94d81bcb6b7ebfefb9406480205c540af956c096db412c3d81ecb3620c
[INFO] running `Command { std: "docker" "start" "-a" "3f3baf94d81bcb6b7ebfefb9406480205c540af956c096db412c3d81ecb3620c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3baf94d81bcb6b7ebfefb9406480205c540af956c096db412c3d81ecb3620c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3baf94d81bcb6b7ebfefb9406480205c540af956c096db412c3d81ecb3620c", kill_on_drop: false }`
[INFO] [stdout] 3f3baf94d81bcb6b7ebfefb9406480205c540af956c096db412c3d81ecb3620c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88464948c866fcf0679e046a74637ade934e972425b2759b57c3b09471ef7fb5
[INFO] running `Command { std: "docker" "start" "-a" "88464948c866fcf0679e046a74637ade934e972425b2759b57c3b09471ef7fb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling observable-rs v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.25
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]    Compiling js-sys v0.3.52
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.25
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.25
[INFO] [stderr]    Compiling observable-react v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::unimplemented`
[INFO] [stdout]  --> src/observable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unimplemented;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ReactObservable`
[INFO] [stdout]  --> src/react.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ReactObservable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/impls.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use observable_rs::{Observable, Observe};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/traits.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Set`
[INFO] [stdout]  --> src/traits.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.80s
[INFO] running `Command { std: "docker" "inspect" "88464948c866fcf0679e046a74637ade934e972425b2759b57c3b09471ef7fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88464948c866fcf0679e046a74637ade934e972425b2759b57c3b09471ef7fb5", kill_on_drop: false }`
[INFO] [stdout] 88464948c866fcf0679e046a74637ade934e972425b2759b57c3b09471ef7fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f496817afb3729ee13ae3aaf391ae7df41db3d21b5ac314e9bb60e34898f252e
[INFO] running `Command { std: "docker" "start" "-a" "f496817afb3729ee13ae3aaf391ae7df41db3d21b5ac314e9bb60e34898f252e", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable-react v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::unimplemented`
[INFO] [stdout]  --> src/observable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unimplemented;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ReactObservable`
[INFO] [stdout]  --> src/react.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ReactObservable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/impls.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use observable_rs::{Observable, Observe};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/traits.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Set`
[INFO] [stdout]  --> src/traits.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::unimplemented`
[INFO] [stdout]  --> src/observable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unimplemented;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ReactObservable`
[INFO] [stdout]  --> src/react.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ReactObservable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/impls.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use observable_rs::{Observable, Observe};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Observe`
[INFO] [stdout]  --> src/traits.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Set`
[INFO] [stdout]  --> src/traits.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stdout]   |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "f496817afb3729ee13ae3aaf391ae7df41db3d21b5ac314e9bb60e34898f252e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f496817afb3729ee13ae3aaf391ae7df41db3d21b5ac314e9bb60e34898f252e", kill_on_drop: false }`
[INFO] [stdout] f496817afb3729ee13ae3aaf391ae7df41db3d21b5ac314e9bb60e34898f252e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ecc7644b7f5685659d295ccb9d09ed9165dbb407a79e0ad08498d7e05da91f5
[INFO] running `Command { std: "docker" "start" "-a" "1ecc7644b7f5685659d295ccb9d09ed9165dbb407a79e0ad08498d7e05da91f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::unimplemented`
[INFO] [stderr]  --> src/observable.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::unimplemented;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ReactObservable`
[INFO] [stderr]  --> src/react.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::ReactObservable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Observe`
[INFO] [stderr]  --> src/impls.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use observable_rs::{Observable, Observe};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Observe`
[INFO] [stderr]  --> src/traits.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stderr]   |                                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Set`
[INFO] [stderr]  --> src/traits.rs:3:58
[INFO] [stderr]   |
[INFO] [stderr] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stderr]   |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::unimplemented`
[INFO] [stderr]  --> src/observable.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::unimplemented;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ReactObservable`
[INFO] [stderr]  --> src/react.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::ReactObservable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Observe`
[INFO] [stderr]  --> src/impls.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use observable_rs::{Observable, Observe};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Observe`
[INFO] [stderr]  --> src/traits.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stderr]   |                                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Set`
[INFO] [stderr]  --> src/traits.rs:3:58
[INFO] [stderr]   |
[INFO] [stderr] 3 | use observable_rs::{ListenerHandle, Observable, Observe, Set};
[INFO] [stderr]   |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/observable_react-82529d89abf45e8d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests observable-react
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ecc7644b7f5685659d295ccb9d09ed9165dbb407a79e0ad08498d7e05da91f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecc7644b7f5685659d295ccb9d09ed9165dbb407a79e0ad08498d7e05da91f5", kill_on_drop: false }`
[INFO] [stdout] 1ecc7644b7f5685659d295ccb9d09ed9165dbb407a79e0ad08498d7e05da91f5
