[INFO] fetching crate farm 1.1.0...
[INFO] documenting farm-1.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate farm 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate farm 1.1.0 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 farm 1.1.0
[INFO] finished tweaking crates.io crate farm 1.1.0
[INFO] tweaked toml for crates.io crate farm 1.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 550a151ae852beb5728610d3ae4745f056d44d97f4e7ff5867e07d26fa542945
[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" "550a151ae852beb5728610d3ae4745f056d44d97f4e7ff5867e07d26fa542945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550a151ae852beb5728610d3ae4745f056d44d97f4e7ff5867e07d26fa542945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550a151ae852beb5728610d3ae4745f056d44d97f4e7ff5867e07d26fa542945", kill_on_drop: false }`
[INFO] [stdout] 550a151ae852beb5728610d3ae4745f056d44d97f4e7ff5867e07d26fa542945
[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] 997abd51503ad03ab7db1978cb39f0cc909ad01039397e5274d5f11dd53de5b1
[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" "997abd51503ad03ab7db1978cb39f0cc909ad01039397e5274d5f11dd53de5b1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking instant v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking mysql_common v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking mysql v14.2.0
[INFO] [stderr]     Checking r2d2_mysql v9.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting farm v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.19s
[INFO] running `Command { std: "docker" "inspect" "997abd51503ad03ab7db1978cb39f0cc909ad01039397e5274d5f11dd53de5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997abd51503ad03ab7db1978cb39f0cc909ad01039397e5274d5f11dd53de5b1", kill_on_drop: false }`
[INFO] [stdout] 997abd51503ad03ab7db1978cb39f0cc909ad01039397e5274d5f11dd53de5b1