[INFO] cloning repository https://github.com/guohuiyuan/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guohuiyuan/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguohuiyuan%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguohuiyuan%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bebd13e4168c7d9e11ac926483753a1296788a0d [INFO] checking guohuiyuan/rust-learning against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguohuiyuan%2Frust-learning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/guohuiyuan/rust-learning on toolchain 18a6d911caba59605eb03db1452848a85d2e5879 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/guohuiyuan/rust-learning [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/guohuiyuan/rust-learning [INFO] tweaked toml for git repo https://github.com/guohuiyuan/rust-learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/guohuiyuan/rust-learning 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded phf_codegen v0.10.0 [INFO] [stderr] Downloaded scraper v0.13.0 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded jsonpath v0.1.1 [INFO] [stderr] Downloaded pest v1.0.6 [INFO] [stderr] Downloaded html5ever v0.26.0 [INFO] [stderr] Downloaded markup5ever v0.11.0 [INFO] [stderr] Downloaded rusqlite v0.28.0 [INFO] [stderr] Downloaded libsqlite3-sys v0.25.1 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac097cd490018a5e456a4378c617c0dad1fc44469b5aadf07aa33ade966cf1d1 [INFO] running `Command { std: "docker" "start" "-a" "ac097cd490018a5e456a4378c617c0dad1fc44469b5aadf07aa33ade966cf1d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac097cd490018a5e456a4378c617c0dad1fc44469b5aadf07aa33ade966cf1d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac097cd490018a5e456a4378c617c0dad1fc44469b5aadf07aa33ade966cf1d1", kill_on_drop: false }` [INFO] [stdout] ac097cd490018a5e456a4378c617c0dad1fc44469b5aadf07aa33ade966cf1d1 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46cc14406c7eb77bb58b889d704a16f323eb5e96defe97e060a21840332db204 [INFO] running `Command { std: "docker" "start" "-a" "46cc14406c7eb77bb58b889d704a16f323eb5e96defe97e060a21840332db204", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking ahash v0.7.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling libm v0.2.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] 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v1.0.145 [INFO] [stderr] Checking rusqlite v0.28.0 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking axum-core v0.2.8 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Checking tokio-util v0.7.4 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking tower-http v0.3.4 [INFO] [stderr] Checking h2 v0.3.14 [INFO] [stderr] Checking string_cache v0.8.4 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking jsonpath v0.1.1 [INFO] [stderr] Checking scraper v0.13.0 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking axum v0.5.16 [INFO] [stderr] Checking reqwest v0.11.12 [INFO] [stderr] Checking rust-learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut f = File::create("foo.txt")?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut f = File::create("foo.txt")?; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> examples/rng/point.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> examples/reqwest/tieba.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PathBuf`, `Path` [INFO] [stdout] --> examples/reqwest/tieba.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structopt::StructOpt` [INFO] [stdout] --> examples/reqwest/tieba.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use structopt::StructOpt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt` [INFO] [stdout] --> examples/reqwest/tieba.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio::io::AsyncBufReadExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::BufReader` [INFO] [stdout] --> examples/reqwest/tieba.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `rusqlite::NO_PARAMS`: Use an empty array instead; `stmt.execute(NO_PARAMS)` => `stmt.execute([])` [INFO] [stdout] --> examples/sqlite/create.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use rusqlite::NO_PARAMS; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `rusqlite::NO_PARAMS`: Use an empty array instead; `stmt.execute(NO_PARAMS)` => `stmt.execute([])` [INFO] [stdout] --> examples/sqlite/create.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | NO_PARAMS, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `rusqlite::NO_PARAMS`: Use an empty array instead; `stmt.execute(NO_PARAMS)` => `stmt.execute([])` [INFO] [stdout] --> examples/sqlite/create.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | NO_PARAMS, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `rusqlite::NO_PARAMS`: Use an empty array instead; `stmt.execute(NO_PARAMS)` => `stmt.execute([])` [INFO] [stdout] --> examples/sqlite/select.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use rusqlite::NO_PARAMS; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `rusqlite::NO_PARAMS`: Use an empty array instead; `stmt.execute(NO_PARAMS)` => `stmt.execute([])` [INFO] [stdout] --> examples/sqlite/select.rs:42:31 [INFO] [stdout] | [INFO] [stdout] 42 | let cats = stmt.query_map(NO_PARAMS, |row| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `result` and `content` are never read [INFO] [stdout] --> examples/reqwest/get.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Response { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 8 | result: isize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Response` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `color` are never read [INFO] [stdout] --> examples/sqlite/select.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Cat { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 8 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | color: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cat` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.05s [INFO] running `Command { std: "docker" "inspect" "46cc14406c7eb77bb58b889d704a16f323eb5e96defe97e060a21840332db204", kill_on_drop: false 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