[INFO] fetching crate mfqe 0.5.0...
[INFO] documenting mfqe-0.5.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate mfqe 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mfqe 0.5.0 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 mfqe 0.5.0
[INFO] finished tweaking crates.io crate mfqe 0.5.0
[INFO] tweaked toml for crates.io crate mfqe 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mfqe 0.5.0 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0794ffff2028af35e6d5b41dc5d9fcb2993fd7b64562d89ca2759135595e1833
[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" "0794ffff2028af35e6d5b41dc5d9fcb2993fd7b64562d89ca2759135595e1833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0794ffff2028af35e6d5b41dc5d9fcb2993fd7b64562d89ca2759135595e1833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0794ffff2028af35e6d5b41dc5d9fcb2993fd7b64562d89ca2759135595e1833", kill_on_drop: false }`
[INFO] [stdout] 0794ffff2028af35e6d5b41dc5d9fcb2993fd7b64562d89ca2759135595e1833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e6ef8f54a038c8b998dcf8aea89d224a27f2c0bbae028de4f79d3e79909f31bc
[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" "e6ef8f54a038c8b998dcf8aea89d224a27f2c0bbae028de4f79d3e79909f31bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking buf_redux v0.7.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking seq_io v0.3.0
[INFO] [stderr]  Documenting mfqe v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.10s
[INFO] running `Command { std: "docker" "inspect" "e6ef8f54a038c8b998dcf8aea89d224a27f2c0bbae028de4f79d3e79909f31bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ef8f54a038c8b998dcf8aea89d224a27f2c0bbae028de4f79d3e79909f31bc", kill_on_drop: false }`
[INFO] [stdout] e6ef8f54a038c8b998dcf8aea89d224a27f2c0bbae028de4f79d3e79909f31bc