[INFO] fetching crate matfile 0.2.1...
[INFO] documenting matfile-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate matfile 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate matfile 0.2.1 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 crates.io crate matfile 0.2.1
[INFO] finished tweaking crates.io crate matfile 0.2.1
[INFO] tweaked toml for crates.io crate matfile 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate matfile 0.2.1 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 415d975b0dcc0ea4793e553a2f17773877f3c28081ed2be422e2a6912ebc2904
[INFO] running `Command { std: "docker" "start" "-a" "415d975b0dcc0ea4793e553a2f17773877f3c28081ed2be422e2a6912ebc2904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415d975b0dcc0ea4793e553a2f17773877f3c28081ed2be422e2a6912ebc2904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415d975b0dcc0ea4793e553a2f17773877f3c28081ed2be422e2a6912ebc2904", kill_on_drop: false }`
[INFO] [stdout] 415d975b0dcc0ea4793e553a2f17773877f3c28081ed2be422e2a6912ebc2904
[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" "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] 7cbcc88fa3cd0d0033cf6ffc65df25adb20528cccd718022615186bfa0c3d76d
[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" "7cbcc88fa3cd0d0033cf6ffc65df25adb20528cccd718022615186bfa0c3d76d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]  Documenting matfile v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[x]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | //!   * [x] Numeric arrays
[INFO] [stdout]    |          ^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "7cbcc88fa3cd0d0033cf6ffc65df25adb20528cccd718022615186bfa0c3d76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbcc88fa3cd0d0033cf6ffc65df25adb20528cccd718022615186bfa0c3d76d", kill_on_drop: false }`
[INFO] [stdout] 7cbcc88fa3cd0d0033cf6ffc65df25adb20528cccd718022615186bfa0c3d76d