[INFO] fetching crate distances 0.1.1...
[INFO] documenting distances-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate distances 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate distances 0.1.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distances 0.1.1
[INFO] finished tweaking crates.io crate distances 0.1.1
[INFO] tweaked toml for crates.io crate distances 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate distances 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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 time v0.2.10
[INFO] [stderr]   Downloaded standback v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087a2a7fa74b1f0796c6d18d24adfa7815e95c1f06b8ab50e4c04d643e335169
[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" "087a2a7fa74b1f0796c6d18d24adfa7815e95c1f06b8ab50e4c04d643e335169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087a2a7fa74b1f0796c6d18d24adfa7815e95c1f06b8ab50e4c04d643e335169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087a2a7fa74b1f0796c6d18d24adfa7815e95c1f06b8ab50e4c04d643e335169", kill_on_drop: false }`
[INFO] [stdout] 087a2a7fa74b1f0796c6d18d24adfa7815e95c1f06b8ab50e4c04d643e335169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "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] 823ea8bc04a25f9d8882a824b5f4483d65156187361aab6557194e713b943be5
[INFO] running `Command { std: "docker" "start" "-a" "823ea8bc04a25f9d8882a824b5f4483d65156187361aab6557194e713b943be5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling standback v0.2.6
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stdout] error: expected identifier
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/time-macros-impl-0.1.1/src/lib.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |               pub fn $name(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | / impl_macros! {
[INFO] [stdout] 92 | |     time: Time,
[INFO] [stdout] 93 | |     offset: Offset,
[INFO] [stdout] 94 | |     date: Date,
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time-macros-impl`.
[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" "823ea8bc04a25f9d8882a824b5f4483d65156187361aab6557194e713b943be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823ea8bc04a25f9d8882a824b5f4483d65156187361aab6557194e713b943be5", kill_on_drop: false }`
[INFO] [stdout] 823ea8bc04a25f9d8882a824b5f4483d65156187361aab6557194e713b943be5