[INFO] crate scryer-prolog 0.8.125 is already in cache
[INFO] documenting scryer-prolog-0.8.125 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate scryer-prolog 0.8.125 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scryer-prolog 0.8.125 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scryer-prolog 0.8.125
[INFO] finished tweaking crates.io crate scryer-prolog 0.8.125
[INFO] tweaked toml for crates.io crate scryer-prolog 0.8.125 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate scryer-prolog 0.8.125 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] c8a67f89cfaf5e28685a14261f1eae2d558227dd6ea9d9f334a9b74811119353
[INFO] running `Command { std: "docker" "start" "-a" "c8a67f89cfaf5e28685a14261f1eae2d558227dd6ea9d9f334a9b74811119353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a67f89cfaf5e28685a14261f1eae2d558227dd6ea9d9f334a9b74811119353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a67f89cfaf5e28685a14261f1eae2d558227dd6ea9d9f334a9b74811119353", kill_on_drop: false }`
[INFO] [stdout] c8a67f89cfaf5e28685a14261f1eae2d558227dd6ea9d9f334a9b74811119353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5b82bf36bdbc9494dca82ddb69677618021462e8ef0ce963ec6e4ea71c131c
[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" "9b5b82bf36bdbc9494dca82ddb69677618021462e8ef0ce963ec6e4ea71c131c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking az v0.3.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking divrem v0.1.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]    Compiling openssl-src v111.9.0+1.1.1g
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling scryer-prolog v0.8.125 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9b5b82bf36bdbc9494dca82ddb69677618021462e8ef0ce963ec6e4ea71c131c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5b82bf36bdbc9494dca82ddb69677618021462e8ef0ce963ec6e4ea71c131c", kill_on_drop: false }`
[INFO] [stdout] 9b5b82bf36bdbc9494dca82ddb69677618021462e8ef0ce963ec6e4ea71c131c