[INFO] crate lang_tester 0.3.10 is already in cache
[INFO] documenting lang_tester-0.3.10 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate lang_tester 0.3.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lang_tester 0.3.10 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 lang_tester 0.3.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lang_tester 0.3.10
[INFO] tweaked toml for crates.io crate lang_tester 0.3.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate lang_tester 0.3.10 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 441aea9fedf54117761d60468472428a8ca6a2eb2f8091b0c472cd17e23a9e9f
[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" "441aea9fedf54117761d60468472428a8ca6a2eb2f8091b0c472cd17e23a9e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441aea9fedf54117761d60468472428a8ca6a2eb2f8091b0c472cd17e23a9e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441aea9fedf54117761d60468472428a8ca6a2eb2f8091b0c472cd17e23a9e9f", kill_on_drop: false }`
[INFO] [stdout] 441aea9fedf54117761d60468472428a8ca6a2eb2f8091b0c472cd17e23a9e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 07e4b2f605e36b07ad9cfa047d5a6d3b71cff019fa2c1ee23eb80a5f9300286a
[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" "07e4b2f605e36b07ad9cfa047d5a6d3b71cff019fa2c1ee23eb80a5f9300286a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]  Documenting lang_tester v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "07e4b2f605e36b07ad9cfa047d5a6d3b71cff019fa2c1ee23eb80a5f9300286a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e4b2f605e36b07ad9cfa047d5a6d3b71cff019fa2c1ee23eb80a5f9300286a", kill_on_drop: false }`
[INFO] [stdout] 07e4b2f605e36b07ad9cfa047d5a6d3b71cff019fa2c1ee23eb80a5f9300286a