[INFO] fetching crate mogwai 0.4.0...
[INFO] testing mogwai-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mogwai 0.4.0 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate mogwai 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mogwai 0.4.0
[INFO] finished tweaking crates.io crate mogwai 0.4.0
[INFO] tweaked toml for crates.io crate mogwai 0.4.0 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371970d4b8ea9318fbd8b7b2a5939361da549224acba9c01dfb1e7706bfa83dd
[INFO] running `Command { std: "docker" "start" "-a" "371970d4b8ea9318fbd8b7b2a5939361da549224acba9c01dfb1e7706bfa83dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371970d4b8ea9318fbd8b7b2a5939361da549224acba9c01dfb1e7706bfa83dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371970d4b8ea9318fbd8b7b2a5939361da549224acba9c01dfb1e7706bfa83dd", kill_on_drop: false }`
[INFO] [stdout] 371970d4b8ea9318fbd8b7b2a5939361da549224acba9c01dfb1e7706bfa83dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4873efefbad96f2377bba6b33df6c3964f73f1abf7f51adab105b9e6b7039352
[INFO] running `Command { std: "docker" "start" "-a" "4873efefbad96f2377bba6b33df6c3964f73f1abf7f51adab105b9e6b7039352", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling syn-rsx v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling mogwai-html-macro v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.27
[INFO] [stderr]    Compiling console_log v0.1.2
[INFO] [stderr]    Compiling mogwai v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.44s
[INFO] running `Command { std: "docker" "inspect" "4873efefbad96f2377bba6b33df6c3964f73f1abf7f51adab105b9e6b7039352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4873efefbad96f2377bba6b33df6c3964f73f1abf7f51adab105b9e6b7039352", kill_on_drop: false }`
[INFO] [stdout] 4873efefbad96f2377bba6b33df6c3964f73f1abf7f51adab105b9e6b7039352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d9c7ac8039a92c5a83cb5d5b3adfdbf9db9f386a8f378b12c2794b91c293b4
[INFO] running `Command { std: "docker" "start" "-a" "a5d9c7ac8039a92c5a83cb5d5b3adfdbf9db9f386a8f378b12c2794b91c293b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.27
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.27
[INFO] [stderr]    Compiling mogwai v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "a5d9c7ac8039a92c5a83cb5d5b3adfdbf9db9f386a8f378b12c2794b91c293b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d9c7ac8039a92c5a83cb5d5b3adfdbf9db9f386a8f378b12c2794b91c293b4", kill_on_drop: false }`
[INFO] [stdout] a5d9c7ac8039a92c5a83cb5d5b3adfdbf9db9f386a8f378b12c2794b91c293b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d74a8960bbbc233b0ac5acbd597e81a149187bcab3a45e635d4467caf8cb9bd
[INFO] running `Command { std: "docker" "start" "-a" "9d74a8960bbbc233b0ac5acbd597e81a149187bcab3a45e635d4467caf8cb9bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mogwai-9dabaafe640d28af)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test txrx::instant_txrx::branch_map ... ok
[INFO] [stdout] test txrx::instant_txrx::txrx_test ... ok
[INFO] [stdout] test txrx::instant_txrx::wire_txrx ... 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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wasm.rs (/opt/rustwide/target/debug/deps/wasm-f80264afbfc91bae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_i_alter_views_on_the_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | doc_comment::doctest!("../../README.md");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `include_str` (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:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | doc_comment::doctest!("../../README.md");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `doc_comment::doctest` (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 `Command { std: "docker" "inspect" "9d74a8960bbbc233b0ac5acbd597e81a149187bcab3a45e635d4467caf8cb9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d74a8960bbbc233b0ac5acbd597e81a149187bcab3a45e635d4467caf8cb9bd", kill_on_drop: false }`
[INFO] [stdout] 9d74a8960bbbc233b0ac5acbd597e81a149187bcab3a45e635d4467caf8cb9bd