[INFO] cloning repository https://github.com/max-block/learn__crate__mongodb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-block/learn__crate__mongodb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__mongodb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__mongodb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d494d55049587e71babb2e258f01b13fe200f68 [INFO] checking max-block/learn__crate__mongodb against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__mongodb" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/max-block/learn__crate__mongodb on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/max-block/learn__crate__mongodb [INFO] finished tweaking git repo https://github.com/max-block/learn__crate__mongodb [INFO] tweaked toml for git repo https://github.com/max-block/learn__crate__mongodb written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/max-block/learn__crate__mongodb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_with v1.9.4 [INFO] [stderr] Downloaded bson v2.0.0-beta.2 [INFO] [stderr] Downloaded mongodb v2.0.0-beta.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f5fcd0b71b229cebc35fdb29e747c4e303c59f54f1251f21ab4667ced1afbd4 [INFO] running `Command { std: "docker" "start" "-a" "6f5fcd0b71b229cebc35fdb29e747c4e303c59f54f1251f21ab4667ced1afbd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f5fcd0b71b229cebc35fdb29e747c4e303c59f54f1251f21ab4667ced1afbd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5fcd0b71b229cebc35fdb29e747c4e303c59f54f1251f21ab4667ced1afbd4", kill_on_drop: false }` [INFO] [stdout] 6f5fcd0b71b229cebc35fdb29e747c4e303c59f54f1251f21ab4667ced1afbd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd94854d22ebfc3da5b805cd588d882e1a4e665dda5f389b3ddd8aede80cc71d [INFO] running `Command { std: "docker" "start" "-a" "fd94854d22ebfc3da5b805cd588d882e1a4e665dda5f389b3ddd8aede80cc71d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking fastrand v1.4.1 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Compiling rustversion v1.0.5 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking cpufeatures v0.1.5 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling tokio v1.8.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-channel v0.3.15 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crypto-mac v0.10.0 [INFO] [stderr] Checking sha2 v0.9.5 [INFO] [stderr] Checking sha-1 v0.9.7 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Checking hmac v0.10.1 [INFO] [stderr] Checking pbkdf2 v0.7.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking webpki-roots v0.21.1 [INFO] [stderr] Compiling darling_core v0.13.0 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling typed-builder v0.9.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling darling_macro v0.13.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking os_info v3.0.6 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Compiling darling v0.13.0 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Compiling serde_with_macros v1.4.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking trust-dns-proto v0.20.3 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking trust-dns-resolver v0.20.3 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking serde_with v1.9.4 [INFO] [stderr] Checking async-std-resolver v0.20.3 [INFO] [stderr] Checking bson v2.0.0-beta.2 [INFO] [stderr] Checking mongodb v2.0.0-beta.2 [INFO] [stderr] Checking learn__crate__mongodb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Document`, `self` [INFO] [stdout] --> src/bin/basics.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use mongodb::bson::{self, doc, Document, oid::ObjectId}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Document`, `self` [INFO] [stdout] --> src/bin/basics.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use mongodb::bson::{self, doc, Document, oid::ObjectId}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/basics.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | dbg!(r); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/basics.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | dbg!(r); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.52s [INFO] running `Command { std: "docker" "inspect" "fd94854d22ebfc3da5b805cd588d882e1a4e665dda5f389b3ddd8aede80cc71d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd94854d22ebfc3da5b805cd588d882e1a4e665dda5f389b3ddd8aede80cc71d", kill_on_drop: false }` [INFO] [stdout] fd94854d22ebfc3da5b805cd588d882e1a4e665dda5f389b3ddd8aede80cc71d