[INFO] fetching crate prusto 0.4.0... [INFO] documenting prusto-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate prusto 0.4.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate prusto 0.4.0 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 crates.io crate prusto 0.4.0 [INFO] finished tweaking crates.io crate prusto 0.4.0 [INFO] tweaked toml for crates.io crate prusto 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate prusto 0.4.0 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] Downloading crates ... [INFO] [stderr] Downloaded phf_shared v0.10.0 [INFO] [stderr] Downloaded uncased v0.9.6 [INFO] [stderr] Downloaded serde_json v1.0.78 [INFO] [stderr] Downloaded phf_generator v0.10.0 [INFO] [stderr] Downloaded phf_codegen v0.10.0 [INFO] [stderr] Downloaded semver v1.0.5 [INFO] [stderr] Downloaded tracing-core v0.1.22 [INFO] [stderr] Downloaded parse-zoneinfo v0.3.0 [INFO] [stderr] Downloaded phf v0.10.1 [INFO] [stderr] Downloaded futures-async-stream-macro v0.2.5 [INFO] [stderr] Downloaded h2 v0.3.11 [INFO] [stderr] Downloaded urlencoding v2.1.0 [INFO] [stderr] Downloaded reqwest v0.11.9 [INFO] [stderr] Downloaded chrono-tz-build v0.0.2 [INFO] [stderr] Downloaded siphasher v0.3.9 [INFO] [stderr] Downloaded iterable v0.5.0 [INFO] [stderr] Downloaded tracing v0.1.30 [INFO] [stderr] Downloaded chrono-tz v0.6.1 [INFO] [stderr] Downloaded prusto-macros v0.2.0 [INFO] [stderr] Downloaded tokio v1.16.1 [INFO] [stderr] Downloaded trybuild v1.0.55 [INFO] [stderr] Downloaded futures-async-stream v0.2.5 [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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", 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] 9c30e588d708e9364f49e7fb9c4a81a45e5664f770f69bfca16762cf1b6d7317 [INFO] running `Command { std: "docker" "start" "-a" "9c30e588d708e9364f49e7fb9c4a81a45e5664f770f69bfca16762cf1b6d7317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c30e588d708e9364f49e7fb9c4a81a45e5664f770f69bfca16762cf1b6d7317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c30e588d708e9364f49e7fb9c4a81a45e5664f770f69bfca16762cf1b6d7317", kill_on_drop: false }` [INFO] [stdout] 9c30e588d708e9364f49e7fb9c4a81a45e5664f770f69bfca16762cf1b6d7317 [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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 39f5a94982ca21dfbbc900c12ea02d2c3dab7a96dba81f5862826dd68a08ab8e [INFO] running `Command { std: "docker" "start" "-a" "39f5a94982ca21dfbbc900c12ea02d2c3dab7a96dba81f5862826dd68a08ab8e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling siphasher v0.3.9 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking urlencoding v2.1.0 [INFO] [stderr] Compiling uncased v0.9.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking rustls-pemfile v0.2.1 [INFO] [stderr] Checking encoding_rs v0.8.30 [INFO] [stderr] Checking futures-channel v0.3.21 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking phf v0.10.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking iterable v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait_v2)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(extend_one)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(maybe_uninit_uninit_array)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait_v2)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(extend_one)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iterable-0.5.0/src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(maybe_uninit_uninit_array)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stdout] error: aborting due to 8 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 compile `iterable` due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "39f5a94982ca21dfbbc900c12ea02d2c3dab7a96dba81f5862826dd68a08ab8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39f5a94982ca21dfbbc900c12ea02d2c3dab7a96dba81f5862826dd68a08ab8e", kill_on_drop: false }` [INFO] [stdout] 39f5a94982ca21dfbbc900c12ea02d2c3dab7a96dba81f5862826dd68a08ab8e