[INFO] fetching crate awaur 0.2.1...
[INFO] testing awaur-0.2.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate awaur 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate awaur 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awaur 0.2.1
[INFO] finished tweaking crates.io crate awaur 0.2.1
[INFO] tweaked toml for crates.io crate awaur 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded serde_qs v0.9.2
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded xxhash-rust v0.8.8
[INFO] [stderr]   Downloaded base62 v2.0.2
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded dummy v0.7.0
[INFO] [stderr]   Downloaded fake v2.9.2
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded macro_pub v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 050b37a34d554300b78bb00c5f92919eaabc2da5a110c8e8be3fee4ebebf8dca
[INFO] running `Command { std: "docker" "start" "-a" "050b37a34d554300b78bb00c5f92919eaabc2da5a110c8e8be3fee4ebebf8dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "050b37a34d554300b78bb00c5f92919eaabc2da5a110c8e8be3fee4ebebf8dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050b37a34d554300b78bb00c5f92919eaabc2da5a110c8e8be3fee4ebebf8dca", kill_on_drop: false }`
[INFO] [stdout] 050b37a34d554300b78bb00c5f92919eaabc2da5a110c8e8be3fee4ebebf8dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62627c22f60dca80a46ca1d828e31b80e4e5596e185fdeb872f710a944a74ff8
[INFO] running `Command { std: "docker" "start" "-a" "62627c22f60dca80a46ca1d828e31b80e4e5596e185fdeb872f710a944a74ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_pub v0.1.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.8
[INFO] [stderr]    Compiling awaur v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "62627c22f60dca80a46ca1d828e31b80e4e5596e185fdeb872f710a944a74ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62627c22f60dca80a46ca1d828e31b80e4e5596e185fdeb872f710a944a74ff8", kill_on_drop: false }`
[INFO] [stdout] 62627c22f60dca80a46ca1d828e31b80e4e5596e185fdeb872f710a944a74ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451ac532b3e0eee79b757a8442c1aeeb54338c03ceae39d5eda31234e3611b12
[INFO] running `Command { std: "docker" "start" "-a" "451ac532b3e0eee79b757a8442c1aeeb54338c03ceae39d5eda31234e3611b12", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling deunicode v1.4.2
[INFO] [stderr]    Compiling darling_core v0.20.5
[INFO] [stderr]    Compiling darling_macro v0.20.5
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]    Compiling dummy v0.7.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling fake v2.9.2
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling awaur v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "451ac532b3e0eee79b757a8442c1aeeb54338c03ceae39d5eda31234e3611b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451ac532b3e0eee79b757a8442c1aeeb54338c03ceae39d5eda31234e3611b12", kill_on_drop: false }`
[INFO] [stdout] 451ac532b3e0eee79b757a8442c1aeeb54338c03ceae39d5eda31234e3611b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 177a7913dae35326864165cb64d3c31d21ecf73cf12dff57dbfdd363106d93c1
[INFO] running `Command { std: "docker" "start" "-a" "177a7913dae35326864165cb64d3c31d21ecf73cf12dff57dbfdd363106d93c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/awaur-0b08697c3e17f5c4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 awaur
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![cfg_attr(doc, feature(decl_macro, rustc_attrs))]
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `rustc_attrs` is internal to the compiler or standard library
[INFO] [stderr]  --> src/lib.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![cfg_attr(doc, feature(decl_macro, rustc_attrs))]
[INFO] [stderr]   |                                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: using it is strongly discouraged
[INFO] [stderr]   = note: `#[warn(internal_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name awaur --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern awaur=/opt/rustwide/target/debug/deps/libawaur-2a6d93673c0e9d9d.rlib --extern fake=/opt/rustwide/target/debug/deps/libfake-178f74ab2cd2484c.rlib --extern macro_pub=/opt/rustwide/target/debug/deps/libmacro_pub-4f8a16bd68b29824.so --extern rand=/opt/rustwide/target/debug/deps/librand-84e4a591f02b6f76.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-90974e2e3840f68a.rlib -C embed-bitcode=no --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "177a7913dae35326864165cb64d3c31d21ecf73cf12dff57dbfdd363106d93c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177a7913dae35326864165cb64d3c31d21ecf73cf12dff57dbfdd363106d93c1", kill_on_drop: false }`
[INFO] [stdout] 177a7913dae35326864165cb64d3c31d21ecf73cf12dff57dbfdd363106d93c1
