[INFO] fetching crate read_pipe 0.2.0...
[INFO] testing read_pipe-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate read_pipe 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate read_pipe 0.2.0
[INFO] finished tweaking crates.io crate read_pipe 0.2.0
[INFO] tweaked toml for crates.io crate read_pipe 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate read_pipe 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e743ada283243b09a912b528a4cb66586e0c7165e5fb01affee8ef7dbd4c6f56
[INFO] running `Command { std: "docker" "start" "-a" "e743ada283243b09a912b528a4cb66586e0c7165e5fb01affee8ef7dbd4c6f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e743ada283243b09a912b528a4cb66586e0c7165e5fb01affee8ef7dbd4c6f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e743ada283243b09a912b528a4cb66586e0c7165e5fb01affee8ef7dbd4c6f56", kill_on_drop: false }`
[INFO] [stdout] e743ada283243b09a912b528a4cb66586e0c7165e5fb01affee8ef7dbd4c6f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1496bc31dc7637112cf76b4ee10d4d56bc917c5458275fab03e25ffcd5a8b85
[INFO] running `Command { std: "docker" "start" "-a" "a1496bc31dc7637112cf76b4ee10d4d56bc917c5458275fab03e25ffcd5a8b85", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling read_pipe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a1496bc31dc7637112cf76b4ee10d4d56bc917c5458275fab03e25ffcd5a8b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1496bc31dc7637112cf76b4ee10d4d56bc917c5458275fab03e25ffcd5a8b85", kill_on_drop: false }`
[INFO] [stdout] a1496bc31dc7637112cf76b4ee10d4d56bc917c5458275fab03e25ffcd5a8b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56920fca6b13f6d69213c0f57682e9d2546881096ba81be441e3a87a76871d7
[INFO] running `Command { std: "docker" "start" "-a" "b56920fca6b13f6d69213c0f57682e9d2546881096ba81be441e3a87a76871d7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling read_pipe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "b56920fca6b13f6d69213c0f57682e9d2546881096ba81be441e3a87a76871d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56920fca6b13f6d69213c0f57682e9d2546881096ba81be441e3a87a76871d7", kill_on_drop: false }`
[INFO] [stdout] b56920fca6b13f6d69213c0f57682e9d2546881096ba81be441e3a87a76871d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d71ee35bb44897d2f20a872606159b8d1d0a381aec54ba1c4b355a1478d84fb0
[INFO] running `Command { std: "docker" "start" "-a" "d71ee35bb44897d2f20a872606159b8d1d0a381aec54ba1c4b355a1478d84fb0", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_pipe-48c2c0cbef65971f)
[INFO] [stdout] 
[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] [stderr]    Doc-tests read_pipe
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 27) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_18_0() {
[INFO] [stdout]    |                                                                        - help: try adding a return type: `-> Option<&str>`
[INFO] [stdout] 19 | Some("Really interesting pipe")
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Option<&str>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 27) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_27_0() {
[INFO] [stdout]    |                                                                        - help: a return type might be missing here: `-> _`
[INFO] [stdout] 28 | None
[INFO] [stdout]    | ^^^^ expected `()`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d71ee35bb44897d2f20a872606159b8d1d0a381aec54ba1c4b355a1478d84fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71ee35bb44897d2f20a872606159b8d1d0a381aec54ba1c4b355a1478d84fb0", kill_on_drop: false }`
[INFO] [stdout] d71ee35bb44897d2f20a872606159b8d1d0a381aec54ba1c4b355a1478d84fb0