[INFO] fetching crate hors 0.8.2... [INFO] checking hors-0.8.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate hors 0.8.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate hors 0.8.2 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 crates.io crate hors 0.8.2 [INFO] finished tweaking crates.io crate hors 0.8.2 [INFO] tweaked toml for crates.io crate hors 0.8.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate hors 0.8.2 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.71 [INFO] [stderr] Downloaded miow v0.3.6 [INFO] [stderr] Downloaded serde v1.0.124 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.71 [INFO] [stderr] Downloaded textwrap v0.12.1 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.2 [INFO] [stderr] Downloaded directories v3.0.1 [INFO] [stderr] Downloaded standback v0.2.15 [INFO] [stderr] Downloaded futures-sink v0.3.13 [INFO] [stderr] Downloaded async-compression v0.3.7 [INFO] [stderr] Downloaded httparse v1.3.5 [INFO] [stderr] Downloaded os_str_bytes v2.4.0 [INFO] [stderr] Downloaded clap v3.0.0-beta.2 [INFO] [stderr] Downloaded libc v0.2.89 [INFO] [stderr] Downloaded onig_sys v69.6.0 [INFO] [stderr] Downloaded web-sys v0.3.48 [INFO] [stderr] Downloaded syntect v4.5.0 [INFO] [stderr] Downloaded tokio v1.3.0 [INFO] [stderr] Downloaded env_logger v0.8.3 [INFO] [stderr] Downloaded h2 v0.3.1 [INFO] [stderr] Downloaded http v0.2.3 [INFO] [stderr] Downloaded pin-project v1.0.5 [INFO] [stderr] Downloaded hyper v0.14.4 [INFO] [stderr] Downloaded time v0.2.26 [INFO] [stderr] Downloaded tokio-socks v0.5.1 [INFO] [stderr] Downloaded tokio-util v0.6.4 [INFO] [stderr] Downloaded js-sys v0.3.48 [INFO] [stderr] Downloaded wasm-bindgen v0.2.71 [INFO] [stderr] Downloaded tendril v0.4.2 [INFO] [stderr] Downloaded flate2 v1.0.20 [INFO] [stderr] Downloaded mio v0.7.10 [INFO] [stderr] Downloaded syn v1.0.64 [INFO] [stderr] Downloaded pin-project-internal v1.0.5 [INFO] [stderr] Downloaded select v0.5.0 [INFO] [stderr] Downloaded onig v6.1.1 [INFO] [stderr] Downloaded bincode v1.3.2 [INFO] [stderr] Downloaded plist v1.1.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.21 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.71 [INFO] [stderr] Downloaded cookie_store v0.12.0 [INFO] [stderr] Downloaded http-body v0.4.0 [INFO] [stderr] Downloaded const_fn v0.4.5 [INFO] [stderr] Downloaded futures-macro v0.3.13 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.71 [INFO] [stderr] Downloaded serde_derive v1.0.124 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 34ef05eb9b15e89dac551b4e7e0de3096dcf202bff80280bea7e8139e8b9b132 [INFO] running `Command { std: "docker" "start" "-a" "34ef05eb9b15e89dac551b4e7e0de3096dcf202bff80280bea7e8139e8b9b132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34ef05eb9b15e89dac551b4e7e0de3096dcf202bff80280bea7e8139e8b9b132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34ef05eb9b15e89dac551b4e7e0de3096dcf202bff80280bea7e8139e8b9b132", kill_on_drop: false }` [INFO] [stdout] 34ef05eb9b15e89dac551b4e7e0de3096dcf202bff80280bea7e8139e8b9b132 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 17c0866664c0e512aa113c01f9a87d992059977f772aef43b0bb82d2cdc46468 [INFO] running `Command { std: "docker" "start" "-a" "17c0866664c0e512aa113c01f9a87d992059977f772aef43b0bb82d2cdc46468", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling tokio v1.3.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling time v0.2.26 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.10 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling onig_sys v69.6.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling ansi_colours v1.0.2 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking xml-rs v0.8.3 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking directories v3.0.1 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking http-body v0.4.0 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking env_logger v0.8.3 [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 onig v6.1.1 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking time-macros v0.1.1 [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 clap v3.0.0-beta.2 [INFO] [stderr] Checking tokio-util v0.6.4 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking tokio-socks v0.5.1 [INFO] [stderr] Checking async-compression v0.3.7 [INFO] [stderr] Checking h2 v0.3.1 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking plist v1.1.0 [INFO] [stderr] Checking bincode v1.3.2 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking hyper v0.14.4 [INFO] [stderr] Checking cookie_store v0.12.0 [INFO] [stderr] Checking syntect v4.5.0 [INFO] [stderr] Compiling markup5ever v0.10.0 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking reqwest v0.11.2 [INFO] [stderr] Checking xml5ever v0.16.1 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking select v0.5.0 [INFO] [stderr] Checking hors v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/answer/precious.rs:329:25 [INFO] [stdout] | [INFO] [stdout] 328 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] 329 | use crate::config::{Config, OutputOption}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `OutputOption` is imported redundantly [INFO] [stdout] --> src/answer/precious.rs:329:33 [INFO] [stdout] | [INFO] [stdout] 328 | use super::*; [INFO] [stdout] | -------- the item `OutputOption` is already imported here [INFO] [stdout] 329 | use crate::config::{Config, OutputOption}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `quota_max` and `quota_remaining` are never read [INFO] [stdout] --> src/engine/stackoverflow.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Questions { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 37 | items: Vec, [INFO] [stdout] 38 | quota_max: u16, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 39 | quota_remaining: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Questions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/bin/hors.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::{self, Clap}; [INFO] [stdout] | ^^^^ the item `clap` 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 `hors` is imported redundantly [INFO] [stdout] --> src/bin/hors.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use hors::{self, Config, Error, Output, OutputOption, PagingOption, Result, SearchEngine}; [INFO] [stdout] | ^^^^ the item `hors` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/bin/hors.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::{self, Clap}; [INFO] [stdout] | ^^^^ the item `clap` 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 `hors` is imported redundantly [INFO] [stdout] --> src/bin/hors.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use hors::{self, Config, Error, Output, OutputOption, PagingOption, Result, SearchEngine}; [INFO] [stdout] | ^^^^ the item `hors` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `quota_max` and `quota_remaining` are never read [INFO] [stdout] --> src/engine/stackoverflow.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Questions { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 37 | items: Vec, [INFO] [stdout] 38 | quota_max: u16, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 39 | quota_remaining: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Questions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.21s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, xml5ever v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "17c0866664c0e512aa113c01f9a87d992059977f772aef43b0bb82d2cdc46468", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17c0866664c0e512aa113c01f9a87d992059977f772aef43b0bb82d2cdc46468", kill_on_drop: false }` [INFO] [stdout] 17c0866664c0e512aa113c01f9a87d992059977f772aef43b0bb82d2cdc46468