[INFO] fetching crate bigtools 0.1.2... [INFO] documenting bigtools-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate bigtools 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate bigtools 0.1.2 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 bigtools 0.1.2 [INFO] finished tweaking crates.io crate bigtools 0.1.2 [INFO] tweaked toml for crates.io crate bigtools 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate bigtools 0.1.2 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-macro v0.2.53 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.53 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.3 [INFO] [stderr] Downloaded itertools v0.8.1 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.53 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.53 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.53 [INFO] [stderr] Downloaded wasm-bindgen v0.2.53 [INFO] [stderr] Downloaded libdeflater v0.2.0 [INFO] [stderr] Downloaded js-sys v0.3.30 [INFO] [stderr] Downloaded byteordered v0.4.0 [INFO] [stderr] Downloaded web-sys v0.3.30 [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" "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] d56366fb2fd645bf9cf0095bd656ff2ceb62089c86c30f2cfd2363a74d2120a9 [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" "d56366fb2fd645bf9cf0095bd656ff2ceb62089c86c30f2cfd2363a74d2120a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d56366fb2fd645bf9cf0095bd656ff2ceb62089c86c30f2cfd2363a74d2120a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d56366fb2fd645bf9cf0095bd656ff2ceb62089c86c30f2cfd2363a74d2120a9", kill_on_drop: false }` [INFO] [stdout] d56366fb2fd645bf9cf0095bd656ff2ceb62089c86c30f2cfd2363a74d2120a9 [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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 19c242d7449b0d96abbf678c40275cf3a5bdd337b1110274adfee73a80636dbc [INFO] running `Command { std: "docker" "start" "-a" "19c242d7449b0d96abbf678c40275cf3a5bdd337b1110274adfee73a80636dbc", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling pkg-config v0.3.16 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking smallvec v0.6.12 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking itertools v0.8.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking byteordered v0.4.0 [INFO] [stderr] Checking num_cpus v1.11.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling openssl-sys v0.9.52 [INFO] [stderr] Compiling libdeflater v0.2.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking tokio v0.2.11 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking pin-project v0.4.5 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking hyper v0.13.2 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking reqwest v0.10.1 [INFO] [stderr] Checking bigtools v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Documenting bigtools v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/utils/merge.rs:456:25 [INFO] [stdout] | [INFO] [stdout] 456 | std::mem::replace(queued, one); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: Could not document `bigtools`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bigwigaverageoverbed src/bin/bigwigaverageoverbed.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="remote"' --cfg 'feature="reqwest"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bigtools=/opt/rustwide/target/debug/deps/libbigtools-a65f980f35211e9d.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-d83948950dc5d6f9.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7da7936fefa84c04.rmeta --extern byteordered=/opt/rustwide/target/debug/deps/libbyteordered-dad5c6343a75ad42.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-6fb8b46d1b5c4e18.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-5f972032775c8c71.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-d965f1d90db84b52.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-40bafdf8c778013b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e2e77746e45ee714.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-e767175b2f68109b.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-89dd7941183c2e89.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-4cb0b935b2ff7efc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-54b6a008bec1618a.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d0bc9e121473b9a6.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9acd3c7e6ae2fa62.rmeta --cap-lints=warn --crate-version 0.1.2` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "19c242d7449b0d96abbf678c40275cf3a5bdd337b1110274adfee73a80636dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19c242d7449b0d96abbf678c40275cf3a5bdd337b1110274adfee73a80636dbc", kill_on_drop: false }` [INFO] [stdout] 19c242d7449b0d96abbf678c40275cf3a5bdd337b1110274adfee73a80636dbc