[INFO] fetching crate qair 0.7.0...
[INFO] documenting qair-0.7.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate qair 0.7.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate qair 0.7.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qair 0.7.0
[INFO] finished tweaking crates.io crate qair 0.7.0
[INFO] tweaked toml for crates.io crate qair 0.7.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate qair 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] a4c4f1cb27910edf9d61461f0ead8bb4e2038aae8d183a49bed4cdc27fae60dc
[INFO] running `Command { std: "docker" "start" "-a" "a4c4f1cb27910edf9d61461f0ead8bb4e2038aae8d183a49bed4cdc27fae60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4c4f1cb27910edf9d61461f0ead8bb4e2038aae8d183a49bed4cdc27fae60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c4f1cb27910edf9d61461f0ead8bb4e2038aae8d183a49bed4cdc27fae60dc", kill_on_drop: false }`
[INFO] [stdout] a4c4f1cb27910edf9d61461f0ead8bb4e2038aae8d183a49bed4cdc27fae60dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82babb403232692ef2900b85b386e2b92cd66578c5d79d84f2aa80501fbd5677
[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" "82babb403232692ef2900b85b386e2b92cd66578c5d79d84f2aa80501fbd5677", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]     Checking bart v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling bart_derive v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.17.3
[INFO] [stderr]     Checking qr2term v0.2.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]  Documenting qair v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.64s
[INFO] running `Command { std: "docker" "inspect" "82babb403232692ef2900b85b386e2b92cd66578c5d79d84f2aa80501fbd5677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82babb403232692ef2900b85b386e2b92cd66578c5d79d84f2aa80501fbd5677", kill_on_drop: false }`
[INFO] [stdout] 82babb403232692ef2900b85b386e2b92cd66578c5d79d84f2aa80501fbd5677
