[INFO] updating cached repository https://github.com/zmeadows/feldspar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 770ccc7fba2c6f5c6d26f517b68960b970e9d9c8
[INFO] documenting zmeadows/feldspar against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmeadows%2Ffeldspar" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zmeadows/feldspar on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zmeadows/feldspar
[INFO] finished tweaking git repo https://github.com/zmeadows/feldspar
[INFO] tweaked toml for git repo https://github.com/zmeadows/feldspar written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/zmeadows/feldspar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afb79c4c359fc30d0d49b662c5816ec91986a99a114cfaa37b06380a0f9f7061
[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" "afb79c4c359fc30d0d49b662c5816ec91986a99a114cfaa37b06380a0f9f7061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb79c4c359fc30d0d49b662c5816ec91986a99a114cfaa37b06380a0f9f7061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb79c4c359fc30d0d49b662c5816ec91986a99a114cfaa37b06380a0f9f7061", kill_on_drop: false }`
[INFO] [stdout] afb79c4c359fc30d0d49b662c5816ec91986a99a114cfaa37b06380a0f9f7061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93debd5f266c16cb195276a5a3b3983b91ec4ccedac735fcaa7e1176c8ebadb4
[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" "93debd5f266c16cb195276a5a3b3983b91ec4ccedac735fcaa7e1176c8ebadb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]  Documenting feldspar2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(plugin, custom_attribute)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::simd`
[INFO] [stdout]   --> src/bitboard.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::simd::{u64x4};
[INFO] [stdout]    |          ^^^^ could not find `simd` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `feldspar2`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name feldspar2 src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f010ebc4cc11df1f.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-e8b2841bf6f4674f.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-06a5e1aae571e07b.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2b50a621677efbf2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-acc306813981e200.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5ed4d17f2f4d7560.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-fa92c2b2d84980ec.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-682cce1cde29ef96.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "93debd5f266c16cb195276a5a3b3983b91ec4ccedac735fcaa7e1176c8ebadb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93debd5f266c16cb195276a5a3b3983b91ec4ccedac735fcaa7e1176c8ebadb4", kill_on_drop: false }`
[INFO] [stdout] 93debd5f266c16cb195276a5a3b3983b91ec4ccedac735fcaa7e1176c8ebadb4