[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] 849f09100cd3c6eb992810f75d5a02f9d528158b [INFO] building www6v/rustDemo against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwww6v%2FrustDemo" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/www6v/rustDemo on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-8/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: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8fd2cfe45c8396f08b8a2720435a8f56021c20ca0f18884ec8c740c7dc41b1fe [INFO] running `Command { std: "docker" "start" "-a" "8fd2cfe45c8396f08b8a2720435a8f56021c20ca0f18884ec8c740c7dc41b1fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fd2cfe45c8396f08b8a2720435a8f56021c20ca0f18884ec8c740c7dc41b1fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fd2cfe45c8396f08b8a2720435a8f56021c20ca0f18884ec8c740c7dc41b1fe", kill_on_drop: false }` [INFO] [stdout] 8fd2cfe45c8396f08b8a2720435a8f56021c20ca0f18884ec8c740c7dc41b1fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a79b029017e5116702890566f64adc599e180291acaf9a754b23ff48812689bf [INFO] running `Command { std: "docker" "start" "-a" "a79b029017e5116702890566f64adc599e180291acaf9a754b23ff48812689bf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.19 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] 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v0.1.52 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling spin v0.9.2 [INFO] [stderr] Compiling smallvec v0.4.5 [INFO] [stderr] Compiling binascii v0.1.4 [INFO] [stderr] Compiling ipnet v2.3.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.9.1 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling cookie v0.15.1 [INFO] [stderr] Compiling uncased v0.9.6 [INFO] [stderr] Compiling multer v2.0.2 [INFO] 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Compiling getrandom v0.2.3 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling tokio v1.15.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling h2 v0.3.9 [INFO] [stderr] Compiling devise_core v0.3.1 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling pear_codegen v0.2.3 [INFO] [stderr] Compiling ref-cast-impl v1.0.6 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling devise_codegen v0.3.1 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling hyper v0.14.16 [INFO] [stderr] Compiling devise v0.3.1 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling pear v0.2.3 [INFO] [stderr] Compiling rocket_http v0.5.0-rc.1 [INFO] [stderr] Compiling futures-executor v0.3.19 [INFO] [stderr] Compiling futures v0.3.19 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling rocket_codegen v0.5.0-rc.1 [INFO] [stderr] Compiling string_cache v0.8.2 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling ubyte v0.10.1 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling xml5ever v0.16.2 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling html2md v0.2.13 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.8 [INFO] [stderr] Compiling 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: field is never read: `id` [INFO] [stdout] --> src/base/rc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/base/rc.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> src/base/trait_mod.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | age: u8, [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `lang` [INFO] [stdout] --> src/base/trait_mod.rs:14:3 [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5m 29s [INFO] running `Command { std: "docker" "inspect" "a79b029017e5116702890566f64adc599e180291acaf9a754b23ff48812689bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a79b029017e5116702890566f64adc599e180291acaf9a754b23ff48812689bf", kill_on_drop: false }` [INFO] [stdout] a79b029017e5116702890566f64adc599e180291acaf9a754b23ff48812689bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b47fed224edf1c1d0eccfca441055b5d95c5df3d40d9ca86f7e47bcaa7392684 [INFO] running `Command { std: "docker" "start" "-a" "b47fed224edf1c1d0eccfca441055b5d95c5df3d40d9ca86f7e47bcaa7392684", kill_on_drop: false }` [INFO] [stderr] Compiling 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: field is never read: `id` [INFO] [stdout] --> src/base/rc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/base/rc.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> src/base/trait_mod.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | age: u8, [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `lang` [INFO] [stdout] --> src/base/trait_mod.rs:14:3 [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/base/rc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/base/rc.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> src/base/trait_mod.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | age: u8, [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `lang` [INFO] [stdout] --> src/base/trait_mod.rs:14:3 [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] --> src/base/trait_mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [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 test [unoptimized + debuginfo] target(s) in 10.10s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_rust-3bc2a68d36cfc612) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-49f219b469f8e142) [INFO] running `Command { std: "docker" "inspect" "b47fed224edf1c1d0eccfca441055b5d95c5df3d40d9ca86f7e47bcaa7392684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b47fed224edf1c1d0eccfca441055b5d95c5df3d40d9ca86f7e47bcaa7392684", kill_on_drop: false }` [INFO] [stdout] b47fed224edf1c1d0eccfca441055b5d95c5df3d40d9ca86f7e47bcaa7392684