[INFO] cloning repository https://github.com/hurryabit/stack-safe-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hurryabit/stack-safe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fstack-safe-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fstack-safe-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1055593033a6ca9da0b67313b2ff23cdcd417adf [INFO] documenting hurryabit/stack-safe-rs against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fstack-safe-rs" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hurryabit/stack-safe-rs on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hurryabit/stack-safe-rs [INFO] finished tweaking git repo https://github.com/hurryabit/stack-safe-rs [INFO] tweaked toml for git repo https://github.com/hurryabit/stack-safe-rs written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/hurryabit/stack-safe-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa796c2c9d8c4ed7d2d900ebbc2a9ed0f894e1f7b5791cef6c3079ac956bfc3e [INFO] running `Command { std: "docker" "start" "-a" "fa796c2c9d8c4ed7d2d900ebbc2a9ed0f894e1f7b5791cef6c3079ac956bfc3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa796c2c9d8c4ed7d2d900ebbc2a9ed0f894e1f7b5791cef6c3079ac956bfc3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa796c2c9d8c4ed7d2d900ebbc2a9ed0f894e1f7b5791cef6c3079ac956bfc3e", kill_on_drop: false }` [INFO] [stdout] fa796c2c9d8c4ed7d2d900ebbc2a9ed0f894e1f7b5791cef6c3079ac956bfc3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1722bd6a8da7902bb8e62772370d34f13ae765eaed448d3333384b0f71c77bdc [INFO] running `Command { std: "docker" "start" "-a" "1722bd6a8da7902bb8e62772370d34f13ae765eaed448d3333384b0f71c77bdc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking stack-safe v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Documenting stack-safe v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![feature( [INFO] [stdout] 2 | | destructuring_assignment, [INFO] [stdout] 3 | | generators, [INFO] [stdout] 4 | | generator_trait, [INFO] [stdout] 5 | | step_trait, [INFO] [stdout] 6 | | thread_spawn_unchecked [INFO] [stdout] 7 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![feature( [INFO] [stdout] 2 | | destructuring_assignment, [INFO] [stdout] 3 | | generators, [INFO] [stdout] 4 | | generator_trait, [INFO] [stdout] 5 | | step_trait, [INFO] [stdout] 6 | | thread_spawn_unchecked [INFO] [stdout] 7 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | destructuring_assignment, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | generator_trait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | step_trait, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | thread_spawn_unchecked [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `stack-safe` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name stack_safe src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d828e112052a512c -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-f5cb0d38acf3f261.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0adc93352144ace7.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-df62a6794b74038e.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `stack-safe` due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1722bd6a8da7902bb8e62772370d34f13ae765eaed448d3333384b0f71c77bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1722bd6a8da7902bb8e62772370d34f13ae765eaed448d3333384b0f71c77bdc", kill_on_drop: false }` [INFO] [stdout] 1722bd6a8da7902bb8e62772370d34f13ae765eaed448d3333384b0f71c77bdc