[INFO] crate eyre-impl 0.1.0 is already in cache
[INFO] testing eyre-impl-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate eyre-impl 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate eyre-impl 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate eyre-impl 0.1.0
[INFO] finished tweaking crates.io crate eyre-impl 0.1.0
[INFO] tweaked toml for crates.io crate eyre-impl 0.1.0 written to /workspace/builds/worker-3/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-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" "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] 33bc2bd2dc641bbc73ed7a128590e8673ad823f428cb954b3efa4fb46713d53a
[INFO] running `"docker" "start" "-a" "33bc2bd2dc641bbc73ed7a128590e8673ad823f428cb954b3efa4fb46713d53a"`
[INFO] [stderr]    Compiling eyre-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "33bc2bd2dc641bbc73ed7a128590e8673ad823f428cb954b3efa4fb46713d53a"`
[INFO] running `"docker" "rm" "-f" "33bc2bd2dc641bbc73ed7a128590e8673ad823f428cb954b3efa4fb46713d53a"`
[INFO] [stdout] 33bc2bd2dc641bbc73ed7a128590e8673ad823f428cb954b3efa4fb46713d53a
[INFO] running `"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" "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] d85334820b1717fd731e5f1f0a833edbd5bfc87ff76ed9c11bfda60db3bc3e9d
[INFO] running `"docker" "start" "-a" "d85334820b1717fd731e5f1f0a833edbd5bfc87ff76ed9c11bfda60db3bc3e9d"`
[INFO] [stderr]    Compiling eyre-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "d85334820b1717fd731e5f1f0a833edbd5bfc87ff76ed9c11bfda60db3bc3e9d"`
[INFO] running `"docker" "rm" "-f" "d85334820b1717fd731e5f1f0a833edbd5bfc87ff76ed9c11bfda60db3bc3e9d"`
[INFO] [stdout] d85334820b1717fd731e5f1f0a833edbd5bfc87ff76ed9c11bfda60db3bc3e9d
[INFO] running `"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" "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] 38f0e2e9d89064b9bf281cf3ce0be86716ea8e43fddbe98f38d22d809dc4d0fa
[INFO] running `"docker" "start" "-a" "38f0e2e9d89064b9bf281cf3ce0be86716ea8e43fddbe98f38d22d809dc4d0fa"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eyre_impl-2d06bbdd4ce6e3d2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::one_digit ... ok
[INFO] [stdout] test tests::two_digits ... ok
[INFO] [stderr]    Doc-tests eyre-impl
[INFO] [stdout] test tests::no_digits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - IntoErrorReporter (line 58) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - IntoErrorReporter (line 58) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `fallible_fn` in this scope
[INFO] [stdout]  --> src/lib.rs:59:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let val = fallible_fn()
[INFO] [stdout]   |           ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/lib.rs:59:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |  / fn main() {
[INFO] [stdout] 3 |  | let val = fallible_fn()
[INFO] [stdout]   |  |___________^
[INFO] [stdout] 4 | ||             .note("This function can only be used in certain situations")
[INFO] [stdout] 5 | ||             .warn("Be careful not to use this fn in this specific situation")?;
[INFO] [stdout]   | ||______________________________________________________________________________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 6 |  | }
[INFO] [stdout]   |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - IntoErrorReporter (line 58)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "38f0e2e9d89064b9bf281cf3ce0be86716ea8e43fddbe98f38d22d809dc4d0fa"`
[INFO] running `"docker" "rm" "-f" "38f0e2e9d89064b9bf281cf3ce0be86716ea8e43fddbe98f38d22d809dc4d0fa"`
[INFO] [stdout] 38f0e2e9d89064b9bf281cf3ce0be86716ea8e43fddbe98f38d22d809dc4d0fa