[INFO] fetching crate hypothesis 0.6.0...
[INFO] documenting hypothesis-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hypothesis 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hypothesis 0.6.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypothesis 0.6.0
[INFO] finished tweaking crates.io crate hypothesis 0.6.0
[INFO] tweaked toml for crates.io crate hypothesis 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate hypothesis 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.15
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.8
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded assert_cmd v1.0.1
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded color-eyre v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded dotenv v0.15.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded eyre v0.6.0
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e65a489fbe7f537e5d23a999fc2635d2e5b8ca6571ebc180acc55746c227cb1d
[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" "e65a489fbe7f537e5d23a999fc2635d2e5b8ca6571ebc180acc55746c227cb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e65a489fbe7f537e5d23a999fc2635d2e5b8ca6571ebc180acc55746c227cb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65a489fbe7f537e5d23a999fc2635d2e5b8ca6571ebc180acc55746c227cb1d", kill_on_drop: false }`
[INFO] [stdout] e65a489fbe7f537e5d23a999fc2635d2e5b8ca6571ebc180acc55746c227cb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17f5ff639831aa7b84640b9b1038261f02968f3fef4500ba33b4dda0b3d5a18f
[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" "17f5ff639831aa7b84640b9b1038261f02968f3fef4500ba33b4dda0b3d5a18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.8
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting hypothesis v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "17f5ff639831aa7b84640b9b1038261f02968f3fef4500ba33b4dda0b3d5a18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f5ff639831aa7b84640b9b1038261f02968f3fef4500ba33b4dda0b3d5a18f", kill_on_drop: false }`
[INFO] [stdout] 17f5ff639831aa7b84640b9b1038261f02968f3fef4500ba33b4dda0b3d5a18f