[INFO] cloning repository https://github.com/www6v/rustDemo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/www6v/rustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwww6v%2FrustDemo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwww6v%2FrustDemo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b93b77f0b7367d16ea1a57f6b5a17ffc641889a5 [INFO] checking www6v/rustDemo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwww6v%2FrustDemo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/www6v/rustDemo on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/www6v/rustDemo [INFO] finished tweaking git repo https://github.com/www6v/rustDemo [INFO] tweaked toml for git repo https://github.com/www6v/rustDemo written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/www6v/rustDemo 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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[stdout] 5f1d8fb75a814bd3f6b0c210c20199353de4dda680712ca2ec0d440c1193d7d0 [INFO] running `Command { std: "docker" "start" "-a" "5f1d8fb75a814bd3f6b0c210c20199353de4dda680712ca2ec0d440c1193d7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f1d8fb75a814bd3f6b0c210c20199353de4dda680712ca2ec0d440c1193d7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f1d8fb75a814bd3f6b0c210c20199353de4dda680712ca2ec0d440c1193d7d0", kill_on_drop: false }` [INFO] [stdout] 5f1d8fb75a814bd3f6b0c210c20199353de4dda680712ca2ec0d440c1193d7d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d97f186c53adbd4b04e74908e3acb1f0d1d8ee93987cbd877549e37883b0c97c [INFO] running `Command { std: "docker" "start" "-a" "d97f186c53adbd4b04e74908e3acb1f0d1d8ee93987cbd877549e37883b0c97c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] 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Checking xml5ever v0.16.2 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking html2md v0.2.13 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.8 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/base/trait_mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/base/trait_mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/base/rc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` 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: field `id` is never read [INFO] [stdout] --> src/base/rc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` 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: fields `age` and `lang` are never read [INFO] [stdout] --> src/base/trait_mod.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 11 | struct Developer { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 12 | name: String, [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | lang: Language [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Developer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age` and `lang` are never read [INFO] [stdout] --> src/base/trait_mod.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 11 | struct Developer { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 12 | name: String, [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | lang: Language [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Developer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/trait_mod.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | drop(buf) [INFO] [stdout] | ^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `RawBuffer` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/trait_mod.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | drop(buf) [INFO] [stdout] | ^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `RawBuffer` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::rc::rc_test` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use hello_rust::base::rc::rc_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::trait_mod::copy_trait_test` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use hello_rust::base::trait_mod::copy_trait_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::trait_mod::drop_trait_test` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use hello_rust::base::trait_mod::drop_trait_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::trait_mod::refcell_is_send` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use hello_rust::base::trait_mod::refcell_is_send; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::trait_mod::arc_mutext_is_send_sync` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use hello_rust::base::trait_mod::arc_mutext_is_send_sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello_rust::base::base::Base` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use hello_rust::base::base::Base; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut cb_ctx = Base::new(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | Base::fetch_with_error(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = Base::fetch_with_error(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, ubyte v0.10.1, xml5ever v0.16.2 [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" "d97f186c53adbd4b04e74908e3acb1f0d1d8ee93987cbd877549e37883b0c97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d97f186c53adbd4b04e74908e3acb1f0d1d8ee93987cbd877549e37883b0c97c", kill_on_drop: false }` [INFO] [stdout] d97f186c53adbd4b04e74908e3acb1f0d1d8ee93987cbd877549e37883b0c97c