[INFO] fetching crate expert 0.0.1...
[INFO] documenting expert-0.0.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate expert 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate expert 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expert 0.0.1
[INFO] finished tweaking crates.io crate expert 0.0.1
[INFO] tweaked toml for crates.io crate expert 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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 itertools v0.6.5
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded backtrace v0.3.53
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded interpolate_idents v0.1.8
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded object v0.21.1
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded float-cmp v0.2.5
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded string-interner v0.6.4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591f08da574e4c8324cd47f3fa5b2230156a4bd3aef815f8a090d88c39d8ca6e
[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" "591f08da574e4c8324cd47f3fa5b2230156a4bd3aef815f8a090d88c39d8ca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591f08da574e4c8324cd47f3fa5b2230156a4bd3aef815f8a090d88c39d8ca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591f08da574e4c8324cd47f3fa5b2230156a4bd3aef815f8a090d88c39d8ca6e", kill_on_drop: false }`
[INFO] [stdout] 591f08da574e4c8324cd47f3fa5b2230156a4bd3aef815f8a090d88c39d8ca6e
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a7adc137836661705b2aabef38b6202a3b4e0d73026affcd9949c7fac27051
[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" "77a7adc137836661705b2aabef38b6202a3b4e0d73026affcd9949c7fac27051", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpolate_idents v0.1.8
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking string-interner v0.6.4
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.1.8/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.tsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.asan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpolate_idents`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "77a7adc137836661705b2aabef38b6202a3b4e0d73026affcd9949c7fac27051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a7adc137836661705b2aabef38b6202a3b4e0d73026affcd9949c7fac27051", kill_on_drop: false }`
[INFO] [stdout] 77a7adc137836661705b2aabef38b6202a3b4e0d73026affcd9949c7fac27051
