[INFO] cloning repository https://github.com/infinitete/rustont-explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/infinitete/rustont-explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Frustont-explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Frustont-explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e310a8a3e11fae122f5e96641e47e83d4da68903
[INFO] documenting infinitete/rustont-explorer against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Frustont-explorer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinitete/rustont-explorer 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 git repo https://github.com/infinitete/rustont-explorer
[INFO] finished tweaking git repo https://github.com/infinitete/rustont-explorer
[INFO] tweaked toml for git repo https://github.com/infinitete/rustont-explorer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/infinitete/rustont-explorer 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mysql_common v0.22.2
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded io-enum v0.2.3
[INFO] [stderr]   Downloaded lexical v5.2.0
[INFO] [stderr]   Downloaded derive_utils v0.10.0
[INFO] [stderr]   Downloaded mysql v19.0.1
[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" "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] 8dc4216b0784e581ce939b1d2294086610af25180e59d8d450f336a45562eba5
[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" "8dc4216b0784e581ce939b1d2294086610af25180e59d8d450f336a45562eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dc4216b0784e581ce939b1d2294086610af25180e59d8d450f336a45562eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc4216b0784e581ce939b1d2294086610af25180e59d8d450f336a45562eba5", kill_on_drop: false }`
[INFO] [stdout] 8dc4216b0784e581ce939b1d2294086610af25180e59d8d450f336a45562eba5
[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" "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] 4a7d34adb1c859651cade32638bdc65e47902296dea16b0b9b29a72ff97125bc
[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" "4a7d34adb1c859651cade32638bdc65e47902296dea16b0b9b29a72ff97125bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling io-enum v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling mysql v19.0.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling derive_utils v0.10.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking rust_decimal v1.7.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking mysql_common v0.22.2
[INFO] [stderr]  Documenting rustont-explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/model/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let result = pool.first_exec(sql, (params!{"param" => param}));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/model/mod.rs:89:38
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let result = pool.prep_exec(sql, (params!{"height" => height}));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.39s
[INFO] running `Command { std: "docker" "inspect" "4a7d34adb1c859651cade32638bdc65e47902296dea16b0b9b29a72ff97125bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7d34adb1c859651cade32638bdc65e47902296dea16b0b9b29a72ff97125bc", kill_on_drop: false }`
[INFO] [stdout] 4a7d34adb1c859651cade32638bdc65e47902296dea16b0b9b29a72ff97125bc