[INFO] cloning repository https://github.com/terakilobyte/drivertest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terakilobyte/drivertest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Fdrivertest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Fdrivertest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c0ec8e083407cc3fe931f5aa76b0600008e57d7 [INFO] checking terakilobyte/drivertest against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Fdrivertest" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/terakilobyte/drivertest on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/terakilobyte/drivertest [INFO] finished tweaking git repo https://github.com/terakilobyte/drivertest [INFO] tweaked toml for git repo https://github.com/terakilobyte/drivertest written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/terakilobyte/drivertest already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typed-builder v0.4.1 [INFO] [stderr] Downloaded darling_macro v0.12.1 [INFO] [stderr] Downloaded darling v0.12.1 [INFO] [stderr] Downloaded md-5 v0.8.0 [INFO] [stderr] Downloaded os_info v3.0.1 [INFO] [stderr] Downloaded bson v1.2.0 [INFO] [stderr] Downloaded darling_core v0.12.1 [INFO] [stderr] Downloaded tracing v0.1.24 [INFO] [stderr] Downloaded reqwest v0.11.1 [INFO] [stderr] Downloaded trust-dns-proto v0.20.0 [INFO] [stderr] Downloaded mongodb v2.0.0-alpha [INFO] [stderr] Downloaded serde_with v1.6.4 [INFO] [stderr] Downloaded trust-dns-resolver v0.20.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 892def21c3c96b5711670669275a342ea0e5c352240ba041940a1fcf4f329401 [INFO] running `Command { std: "docker" "start" "-a" "892def21c3c96b5711670669275a342ea0e5c352240ba041940a1fcf4f329401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "892def21c3c96b5711670669275a342ea0e5c352240ba041940a1fcf4f329401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "892def21c3c96b5711670669275a342ea0e5c352240ba041940a1fcf4f329401", kill_on_drop: false }` [INFO] [stdout] 892def21c3c96b5711670669275a342ea0e5c352240ba041940a1fcf4f329401 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a83fcfcdf9e9d89703e1446320100cd9bf948c85ef8967fbc2086df71ef0db59 [INFO] running `Command { std: "docker" "start" "-a" "a83fcfcdf9e9d89703e1446320100cd9bf948c85ef8967fbc2086df71ef0db59", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking once_cell v1.6.0 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking tracing v0.1.24 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rustversion v1.0.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking mio v0.7.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking os_info v3.0.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling err-derive v0.2.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking http-body v0.4.0 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking rustls v0.19.0 [INFO] [stderr] Checking webpki-roots v0.21.0 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Compiling darling_core v0.12.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling typed-builder v0.4.1 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling darling_macro v0.12.1 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Compiling darling v0.12.1 [INFO] [stderr] Compiling serde_with_macros v1.4.1 [INFO] [stderr] Checking tokio-util v0.6.3 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking trust-dns-proto v0.20.0 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking h2 v0.3.0 [INFO] [stderr] Checking trust-dns-resolver v0.20.0 [INFO] [stderr] Checking hyper v0.14.4 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking serde_with v1.6.4 [INFO] [stderr] Checking bson v1.2.0 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking reqwest v0.11.1 [INFO] [stderr] Checking mongodb v2.0.0-alpha [INFO] [stderr] Checking drivertest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.30s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a83fcfcdf9e9d89703e1446320100cd9bf948c85ef8967fbc2086df71ef0db59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a83fcfcdf9e9d89703e1446320100cd9bf948c85ef8967fbc2086df71ef0db59", kill_on_drop: false }` [INFO] [stdout] a83fcfcdf9e9d89703e1446320100cd9bf948c85ef8967fbc2086df71ef0db59