[INFO] crate sliderule 0.2.1 is already in cache
[INFO] documenting sliderule-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate sliderule 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sliderule 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 sliderule 0.2.1
[INFO] finished tweaking crates.io crate sliderule 0.2.1
[INFO] tweaked toml for crates.io crate sliderule 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1df8c293e22da2ac1dc1d511f3ecb2cdcbb2a0970d3c2db22ff5488b9b7512da
[INFO] running `Command { std: "docker" "start" "-a" "1df8c293e22da2ac1dc1d511f3ecb2cdcbb2a0970d3c2db22ff5488b9b7512da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df8c293e22da2ac1dc1d511f3ecb2cdcbb2a0970d3c2db22ff5488b9b7512da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df8c293e22da2ac1dc1d511f3ecb2cdcbb2a0970d3c2db22ff5488b9b7512da", kill_on_drop: false }`
[INFO] [stdout] 1df8c293e22da2ac1dc1d511f3ecb2cdcbb2a0970d3c2db22ff5488b9b7512da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ec6bf2b3907e8fa7646a10cfd63ace1db82fe508845fb61dfe90f90dbdb6fd6e
[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" "ec6bf2b3907e8fa7646a10cfd63ace1db82fe508845fb61dfe90f90dbdb6fd6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking liquid-error v0.16.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking liquid-value v0.17.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking liquid-interpreter v0.17.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking liquid-compiler v0.17.1
[INFO] [stderr]     Checking os_info v1.3.3
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking liquid v0.17.1
[INFO] [stderr]     Checking globwalk v0.6.0
[INFO] [stderr]  Documenting sliderule v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.36s
[INFO] running `Command { std: "docker" "inspect" "ec6bf2b3907e8fa7646a10cfd63ace1db82fe508845fb61dfe90f90dbdb6fd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6bf2b3907e8fa7646a10cfd63ace1db82fe508845fb61dfe90f90dbdb6fd6e", kill_on_drop: false }`
[INFO] [stdout] ec6bf2b3907e8fa7646a10cfd63ace1db82fe508845fb61dfe90f90dbdb6fd6e