[INFO] fetching crate peekread 0.1.1...
[INFO] testing peekread-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate peekread 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate peekread 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peekread 0.1.1
[INFO] finished tweaking crates.io crate peekread 0.1.1
[INFO] tweaked toml for crates.io crate peekread 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f64337d3d4837e5dc55d37928b30e5d2cbf216ae9204b472c389c7fd5c2eeff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f64337d3d4837e5dc55d37928b30e5d2cbf216ae9204b472c389c7fd5c2eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f64337d3d4837e5dc55d37928b30e5d2cbf216ae9204b472c389c7fd5c2eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f64337d3d4837e5dc55d37928b30e5d2cbf216ae9204b472c389c7fd5c2eeff", kill_on_drop: false }`
[INFO] [stdout] 3f64337d3d4837e5dc55d37928b30e5d2cbf216ae9204b472c389c7fd5c2eeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2692aabd0a3cc36406eb94b189930c6b38b09496c05d5105a1d1b972ef9c36ea
[INFO] running `Command { std: "docker" "start" "-a" "2692aabd0a3cc36406eb94b189930c6b38b09496c05d5105a1d1b972ef9c36ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekread v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "2692aabd0a3cc36406eb94b189930c6b38b09496c05d5105a1d1b972ef9c36ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2692aabd0a3cc36406eb94b189930c6b38b09496c05d5105a1d1b972ef9c36ea", kill_on_drop: false }`
[INFO] [stdout] 2692aabd0a3cc36406eb94b189930c6b38b09496c05d5105a1d1b972ef9c36ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b08cd2a73f2b217388ce88433bed454d9b6b60acb5edbd112cddcb55622d2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75b08cd2a73f2b217388ce88433bed454d9b6b60acb5edbd112cddcb55622d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekread v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "75b08cd2a73f2b217388ce88433bed454d9b6b60acb5edbd112cddcb55622d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b08cd2a73f2b217388ce88433bed454d9b6b60acb5edbd112cddcb55622d2a", kill_on_drop: false }`
[INFO] [stdout] 75b08cd2a73f2b217388ce88433bed454d9b6b60acb5edbd112cddcb55622d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f26855a6aa85e1863daa0e0befd5b6d3b2c5e305a636f2aa2aba2fcbfec7a2d7
[INFO] running `Command { std: "docker" "start" "-a" "f26855a6aa85e1863daa0e0befd5b6d3b2c5e305a636f2aa2aba2fcbfec7a2d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peekread-6ee0a5110b53a8c9)
[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 peekread
[INFO] [stderr] warning: lint `invalid_html_tags` has been renamed to `rustdoc::invalid_html_tags`
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     invalid_html_tags,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::invalid_html_tags`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | if f.starts_with("<!DOCTYPE html>\n") {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `bool`
[INFO] [stdout]               found enum `Result<bool, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f26855a6aa85e1863daa0e0befd5b6d3b2c5e305a636f2aa2aba2fcbfec7a2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26855a6aa85e1863daa0e0befd5b6d3b2c5e305a636f2aa2aba2fcbfec7a2d7", kill_on_drop: false }`
[INFO] [stdout] f26855a6aa85e1863daa0e0befd5b6d3b2c5e305a636f2aa2aba2fcbfec7a2d7