[INFO] crate mogwai 0.2.1 is already in cache
[INFO] testing mogwai-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate mogwai 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mogwai 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mogwai 0.2.1
[INFO] finished tweaking crates.io crate mogwai 0.2.1
[INFO] tweaked toml for crates.io crate mogwai 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b59b13110ea4e1ba82767db9d2a874e1ab9e37f74dbf6ebec8580683f1073da
[INFO] running `"docker" "start" "-a" "9b59b13110ea4e1ba82767db9d2a874e1ab9e37f74dbf6ebec8580683f1073da"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]    Compiling js-sys v0.3.37
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling web-sys v0.3.37
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.10
[INFO] [stderr]    Compiling console_log v0.1.2
[INFO] [stderr]    Compiling mogwai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "9b59b13110ea4e1ba82767db9d2a874e1ab9e37f74dbf6ebec8580683f1073da"`
[INFO] running `"docker" "rm" "-f" "9b59b13110ea4e1ba82767db9d2a874e1ab9e37f74dbf6ebec8580683f1073da"`
[INFO] [stdout] 9b59b13110ea4e1ba82767db9d2a874e1ab9e37f74dbf6ebec8580683f1073da
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4235c9b8a4d4b3c50f6ad59e54088cea99c8e8514698e3552926f9c8fb79c7c
[INFO] running `"docker" "start" "-a" "f4235c9b8a4d4b3c50f6ad59e54088cea99c8e8514698e3552926f9c8fb79c7c"`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.10
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.10
[INFO] [stderr]    Compiling mogwai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `"docker" "inspect" "f4235c9b8a4d4b3c50f6ad59e54088cea99c8e8514698e3552926f9c8fb79c7c"`
[INFO] running `"docker" "rm" "-f" "f4235c9b8a4d4b3c50f6ad59e54088cea99c8e8514698e3552926f9c8fb79c7c"`
[INFO] [stdout] f4235c9b8a4d4b3c50f6ad59e54088cea99c8e8514698e3552926f9c8fb79c7c
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91ea2b15be4f701e740ac7235dbb1b54e10ee65b9adfcf67c6c3af10b7de7ab0
[INFO] running `"docker" "start" "-a" "91ea2b15be4f701e740ac7235dbb1b54e10ee65b9adfcf67c6c3af10b7de7ab0"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mogwai-d1fac56d9fd46c6a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test txrx::instant_txrx::txrx_test ... ok
[INFO] [stdout] test txrx::instant_txrx::wire_txrx ... ok
[INFO] [stdout] test txrx::instant_txrx::branch_map ... ok
[INFO] [stdout] test txrx::range::range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mogwai
[INFO] [stderr] error: couldn't read /opt/rustwide/workdir/src/../../README.md: No such file or directory (os error 2)
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | doc_comment::doctest!("../../README.md");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `(/*ERROR*/)`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | doc_comment::doctest!("../../README.md");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "91ea2b15be4f701e740ac7235dbb1b54e10ee65b9adfcf67c6c3af10b7de7ab0"`
[INFO] running `"docker" "rm" "-f" "91ea2b15be4f701e740ac7235dbb1b54e10ee65b9adfcf67c6c3af10b7de7ab0"`
[INFO] [stdout] 91ea2b15be4f701e740ac7235dbb1b54e10ee65b9adfcf67c6c3af10b7de7ab0