[INFO] fetching crate crev-lib 0.17.0...
[INFO] documenting crev-lib-0.17.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate crev-lib 0.17.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crev-lib 0.17.0 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 crev-lib 0.17.0
[INFO] finished tweaking crates.io crate crev-lib 0.17.0
[INFO] tweaked toml for crates.io crate crev-lib 0.17.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 87d35225a6c5cdfe4cb0eb0cec4e8895ddcd6e712c665e511ec9d68c666aa8ba
[INFO] running `Command { std: "docker" "start" "-a" "87d35225a6c5cdfe4cb0eb0cec4e8895ddcd6e712c665e511ec9d68c666aa8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d35225a6c5cdfe4cb0eb0cec4e8895ddcd6e712c665e511ec9d68c666aa8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d35225a6c5cdfe4cb0eb0cec4e8895ddcd6e712c665e511ec9d68c666aa8ba", kill_on_drop: false }`
[INFO] [stdout] 87d35225a6c5cdfe4cb0eb0cec4e8895ddcd6e712c665e511ec9d68c666aa8ba
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1918a4b97b2014c5df30b3a5dc290e11763234e85f4a5f7b10dd8548855e3dd
[INFO] running `Command { std: "docker" "start" "-a" "c1918a4b97b2014c5df30b3a5dc290e11763234e85f4a5f7b10dd8548855e3dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]     Checking resiter v0.4.0
[INFO] [stderr]     Checking default v0.1.2
[INFO] [stderr]     Checking insideout v0.2.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking pmac v0.2.0
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking miscreant v0.4.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-argon2 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling typed-builder v0.5.1
[INFO] [stderr]    Compiling ifmt-impl v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking crev-recursive-digest v0.4.0
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]     Checking ifmt v0.3.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking crev-common v0.17.0
[INFO] [stderr]     Checking crev-data v0.17.0
[INFO] [stderr]  Documenting crev-lib v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "c1918a4b97b2014c5df30b3a5dc290e11763234e85f4a5f7b10dd8548855e3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1918a4b97b2014c5df30b3a5dc290e11763234e85f4a5f7b10dd8548855e3dd", kill_on_drop: false }`
[INFO] [stdout] c1918a4b97b2014c5df30b3a5dc290e11763234e85f4a5f7b10dd8548855e3dd