[INFO] cloning repository https://github.com/Luksuz/rust_library [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luksuz/rust_library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuksuz%2Frust_library", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuksuz%2Frust_library'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71b2e70ffdff879230392202730cde4e04caa558 [INFO] checking Luksuz/rust_library against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuksuz%2Frust_library" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luksuz/rust_library on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Luksuz/rust_library [INFO] finished tweaking git repo https://github.com/Luksuz/rust_library [INFO] tweaked toml for git repo https://github.com/Luksuz/rust_library written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Luksuz/rust_library 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bson v2.8.1 [INFO] [stderr] Downloaded mongodb v2.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 767d005f3328d7dd4cd6c84dabb0f1218170547f2f94e7751b4520e3409dbbb6 [INFO] running `Command { std: "docker" "start" "-a" "767d005f3328d7dd4cd6c84dabb0f1218170547f2f94e7751b4520e3409dbbb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "767d005f3328d7dd4cd6c84dabb0f1218170547f2f94e7751b4520e3409dbbb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "767d005f3328d7dd4cd6c84dabb0f1218170547f2f94e7751b4520e3409dbbb6", kill_on_drop: false }` [INFO] [stdout] 767d005f3328d7dd4cd6c84dabb0f1218170547f2f94e7751b4520e3409dbbb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc919b77a8c41075c422652bc72d74754dffd7007da61b15a7d6f784e88c84aa [INFO] running `Command { std: "docker" "start" "-a" "dc919b77a8c41075c422652bc72d74754dffd7007da61b15a7d6f784e88c84aa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking smallvec v1.12.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling pkg-config v0.3.28 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling openssl v0.10.62 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Compiling time-macros v0.2.16 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling rustc_version_runtime v0.2.1 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking data-encoding v2.5.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking finl_unicode v1.2.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking stringprep v0.1.4 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking webpki-roots v0.25.3 [INFO] [stderr] Compiling openssl-sys v0.9.98 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling typed-builder v0.10.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling serde_with_macros v1.5.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking trust-dns-proto v0.21.2 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking h2 v0.3.23 [INFO] [stderr] Checking uuid v1.6.1 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking serde_with v1.14.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking bson v2.8.1 [INFO] [stderr] Checking trust-dns-resolver v0.21.2 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking mongodb v2.8.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.23 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `error::Result`, `from_document`, `results::InsertOneResult` [INFO] [stdout] --> src/db.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | results::InsertOneResult, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | bson::{doc, from_document}, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 8 | error::Result, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/library.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio` [INFO] [stdout] --> src/library.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/library.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error::Result`, `from_document`, `results::InsertOneResult` [INFO] [stdout] --> src/db.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | results::InsertOneResult, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | bson::{doc, from_document}, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 8 | error::Result, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/library.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio` [INFO] [stdout] --> src/library.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/library.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | ... let mut quiz_object = Question { question: question.question, correct_answer: question.correct_answer, incorrect_answers: question.... [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | ... let mut quiz_object = Question { question: question.question, correct_answer: question.correct_answer, incorrect_answers: question.... [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut answer = read_input("Your answer: "); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/library.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `create_library`, `add_book`, `remove_book`, `edit_book`, and `list_books` are never used [INFO] [stdout] --> src/library.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 123 | impl Library { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 124 | pub fn new(name: String) -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn create_library(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn add_book(&mut self, book: Book) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn remove_book(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | pub fn edit_book(&mut self){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn list_books(&self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut answer = read_input("Your answer: "); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/library.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `create_library`, `add_book`, `remove_book`, `edit_book`, and `list_books` are never used [INFO] [stdout] --> src/library.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 123 | impl Library { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 124 | pub fn new(name: String) -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn create_library(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn add_book(&mut self, book: Book) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn remove_book(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | pub fn edit_book(&mut self){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn list_books(&self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.86s [INFO] running `Command { std: "docker" "inspect" "dc919b77a8c41075c422652bc72d74754dffd7007da61b15a7d6f784e88c84aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc919b77a8c41075c422652bc72d74754dffd7007da61b15a7d6f784e88c84aa", kill_on_drop: false }` [INFO] [stdout] dc919b77a8c41075c422652bc72d74754dffd7007da61b15a7d6f784e88c84aa [INFO] checking Luksuz/rust_library against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuksuz%2Frust_library" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luksuz/rust_library on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Luksuz/rust_library [INFO] finished tweaking git repo https://github.com/Luksuz/rust_library [INFO] tweaked toml for git repo https://github.com/Luksuz/rust_library written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Luksuz/rust_library 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f7b6bc60cbee911ed3c2650b8753aad3b4b69653c709e4df3ba778e6b46a1ee [INFO] running `Command { std: "docker" "start" "-a" "0f7b6bc60cbee911ed3c2650b8753aad3b4b69653c709e4df3ba778e6b46a1ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f7b6bc60cbee911ed3c2650b8753aad3b4b69653c709e4df3ba778e6b46a1ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f7b6bc60cbee911ed3c2650b8753aad3b4b69653c709e4df3ba778e6b46a1ee", kill_on_drop: false }` [INFO] [stdout] 0f7b6bc60cbee911ed3c2650b8753aad3b4b69653c709e4df3ba778e6b46a1ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b22825aabf124db453042340988a5f72966b584b45f2a40c0f4b33cb5d5afbc3 [INFO] running `Command { std: "docker" "start" "-a" "b22825aabf124db453042340988a5f72966b584b45f2a40c0f4b33cb5d5afbc3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking smallvec v1.12.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling pkg-config v0.3.28 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Compiling openssl v0.10.62 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling time-macros v0.2.16 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Compiling rustc_version_runtime v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking data-encoding v2.5.0 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking finl_unicode v1.2.0 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking stringprep v0.1.4 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking webpki-roots v0.25.3 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling openssl-sys v0.9.98 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling typed-builder v0.10.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling serde_with_macros v1.5.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking trust-dns-proto v0.21.2 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking uuid v1.6.1 [INFO] [stderr] Checking serde_with v1.14.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking h2 v0.3.23 [INFO] [stderr] Checking bson v2.8.1 [INFO] [stderr] Checking trust-dns-resolver v0.21.2 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking mongodb v2.8.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.23 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `error::Result`, `from_document`, `results::InsertOneResult` [INFO] [stdout] --> src/db.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | results::InsertOneResult, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | bson::{doc, from_document}, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 8 | error::Result, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error::Result`, `from_document`, `results::InsertOneResult` [INFO] [stdout] --> src/db.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | results::InsertOneResult, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | bson::{doc, from_document}, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 8 | error::Result, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/library.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio` [INFO] [stdout] --> src/library.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/library.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/library.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio` [INFO] [stdout] --> src/library.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/library.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | ... let mut quiz_object = Question { question: question.question, correct_answer: question.correct_answer, incorrect_answers: question.... [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | ... let mut quiz_object = Question { question: question.question, correct_answer: question.correct_answer, incorrect_answers: question.... [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut answer = read_input("Your answer: "); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/library.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut answer = read_input("Your answer: "); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/library.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `create_library`, `add_book`, `remove_book`, `edit_book`, and `list_books` are never used [INFO] [stdout] --> src/library.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 123 | impl Library { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 124 | pub fn new(name: String) -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn create_library(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn add_book(&mut self, book: Book) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn remove_book(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | pub fn edit_book(&mut self){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn list_books(&self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/library.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `create_library`, `add_book`, `remove_book`, `edit_book`, and `list_books` are never used [INFO] [stdout] --> src/library.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 123 | impl Library { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 124 | pub fn new(name: String) -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn create_library(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn add_book(&mut self, book: Book) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn remove_book(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | pub fn edit_book(&mut self){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn list_books(&self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.60s [INFO] running `Command { std: "docker" "inspect" "b22825aabf124db453042340988a5f72966b584b45f2a40c0f4b33cb5d5afbc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b22825aabf124db453042340988a5f72966b584b45f2a40c0f4b33cb5d5afbc3", kill_on_drop: false }` [INFO] [stdout] b22825aabf124db453042340988a5f72966b584b45f2a40c0f4b33cb5d5afbc3