[INFO] cloning repository https://github.com/amitjain-in/rst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amitjain-in/rst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitjain-in%2Frst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitjain-in%2Frst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0d41532e5e6c70010c6befe02796d4705c56fab [INFO] checking amitjain-in/rst against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitjain-in%2Frst" "/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/amitjain-in/rst on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/amitjain-in/rst [INFO] finished tweaking git repo https://github.com/amitjain-in/rst [INFO] tweaked toml for git repo https://github.com/amitjain-in/rst written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/amitjain-in/rst 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dab3b681131a7cb12bb13afe2e268b76bf411b2d6afc6adcdb961b57dee76926 [INFO] running `Command { std: "docker" "start" "-a" "dab3b681131a7cb12bb13afe2e268b76bf411b2d6afc6adcdb961b57dee76926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dab3b681131a7cb12bb13afe2e268b76bf411b2d6afc6adcdb961b57dee76926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dab3b681131a7cb12bb13afe2e268b76bf411b2d6afc6adcdb961b57dee76926", kill_on_drop: false }` [INFO] [stdout] dab3b681131a7cb12bb13afe2e268b76bf411b2d6afc6adcdb961b57dee76926 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2a1c6f0c5f97cecf39235c09224758ae1e2bed37578deabffb2c2bad9f43f11 [INFO] running `Command { std: "docker" "start" "-a" "c2a1c6f0c5f97cecf39235c09224758ae1e2bed37578deabffb2c2bad9f43f11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::games::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::games::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::shadow::shadowing` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::shadow::shadowing; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/enums.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Formatter, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::games::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::games::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::shadow::shadowing` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::shadow::shadowing; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/enums.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Formatter, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/data_types.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = t; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/data_types.rs:24:16 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = t; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/data_types.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = t; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/data_types.rs:24:16 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = t; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `square` [INFO] [stdout] --> src/enums.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let square = Square { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rectangle` [INFO] [stdout] --> src/enums.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let rectangle = Rectangle { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rectangle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_structs` is never used [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn learn_structs() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_slicing` is never used [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn learn_slicing() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_ownership` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn learn_ownership() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_data_types` is never used [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn learn_data_types() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_ctrl` is never used [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn learn_ctrl() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_arrays` is never used [INFO] [stdout] --> src/main.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn learn_arrays() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_functions` is never used [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn learn_functions() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transfer_ownership_to_me` is never used [INFO] [stdout] --> src/ownership.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn transfer_ownership_to_me(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Employee` is never constructed [INFO] [stdout] --> src/structs.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Employee { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `net_salary` and `associated_function` are never used [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl Employee { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 10 | fn net_salary(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn associated_function() {//like static methods of OOP language [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_sample` is never used [INFO] [stdout] --> src/structs.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn struct_sample() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `GREEN` and `BLUE` are never constructed [INFO] [stdout] --> src/enums.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | enum Colour { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 6 | RED, [INFO] [stdout] 7 | GREEN, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | BLUE, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `side` is never read [INFO] [stdout] --> src/enums.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | Square { side: i32 }, [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/enums.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | Rectangle { width: i32, height: i32 }, [INFO] [stdout] | --------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Box` and `Circle` are never constructed [INFO] [stdout] --> src/enums.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 42 | Box { width: i32, height: i32, depth: i32 }, [INFO] [stdout] | ^^^ [INFO] [stdout] 43 | Circle { radius: i32 }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `square` [INFO] [stdout] --> src/enums.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let square = Square { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rectangle` [INFO] [stdout] --> src/enums.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let rectangle = Rectangle { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rectangle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_structs` is never used [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn learn_structs() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_slicing` is never used [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn learn_slicing() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_ownership` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn learn_ownership() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_data_types` is never used [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn learn_data_types() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_ctrl` is never used [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn learn_ctrl() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_arrays` is never used [INFO] [stdout] --> src/main.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn learn_arrays() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_functions` is never used [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn learn_functions() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transfer_ownership_to_me` is never used [INFO] [stdout] --> src/ownership.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn transfer_ownership_to_me(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Employee` is never constructed [INFO] [stdout] --> src/structs.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Employee { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `net_salary` and `associated_function` are never used [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl Employee { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 10 | fn net_salary(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn associated_function() {//like static methods of OOP language [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_sample` is never used [INFO] [stdout] --> src/structs.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn struct_sample() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `GREEN` and `BLUE` are never constructed [INFO] [stdout] --> src/enums.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | enum Colour { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 6 | RED, [INFO] [stdout] 7 | GREEN, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | BLUE, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `side` is never read [INFO] [stdout] --> src/enums.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | Square { side: i32 }, [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/enums.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | Rectangle { width: i32, height: i32 }, [INFO] [stdout] | --------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Box` and `Circle` are never constructed [INFO] [stdout] --> src/enums.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 42 | Box { width: i32, height: i32, depth: i32 }, [INFO] [stdout] | ^^^ [INFO] [stdout] 43 | Circle { radius: i32 }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "c2a1c6f0c5f97cecf39235c09224758ae1e2bed37578deabffb2c2bad9f43f11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2a1c6f0c5f97cecf39235c09224758ae1e2bed37578deabffb2c2bad9f43f11", kill_on_drop: false }` [INFO] [stdout] c2a1c6f0c5f97cecf39235c09224758ae1e2bed37578deabffb2c2bad9f43f11