[INFO] fetching crate rems 0.0.2... [INFO] documenting rems-0.0.2 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] extracting crate rems 0.0.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rems 0.0.2 on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rems 0.0.2 [INFO] finished tweaking crates.io crate rems 0.0.2 [INFO] tweaked toml for crates.io crate rems 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate rems 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2dad7fe4b885072922cbddbffcc9bea0a9c027384c2f26331b1f93a50fffde8 [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" "a2dad7fe4b885072922cbddbffcc9bea0a9c027384c2f26331b1f93a50fffde8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2dad7fe4b885072922cbddbffcc9bea0a9c027384c2f26331b1f93a50fffde8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2dad7fe4b885072922cbddbffcc9bea0a9c027384c2f26331b1f93a50fffde8", kill_on_drop: false }` [INFO] [stdout] a2dad7fe4b885072922cbddbffcc9bea0a9c027384c2f26331b1f93a50fffde8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63b121804444edcea734ad21a2ec8670bd1ee4a668dcfcc9a4919a046d38a67a [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" "63b121804444edcea734ad21a2ec8670bd1ee4a668dcfcc9a4919a046d38a67a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling pyo3 v0.11.1 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking parking_lot v0.11.0 [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/lock_api-0.3.4/src/lib.rs:91:34 [INFO] [stdout] | [INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lock_api`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "63b121804444edcea734ad21a2ec8670bd1ee4a668dcfcc9a4919a046d38a67a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63b121804444edcea734ad21a2ec8670bd1ee4a668dcfcc9a4919a046d38a67a", kill_on_drop: false }` [INFO] [stdout] 63b121804444edcea734ad21a2ec8670bd1ee4a668dcfcc9a4919a046d38a67a