[INFO] cloning repository https://github.com/ppp3ppj/rust_programming_101 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ppp3ppj/rust_programming_101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fppp3ppj%2Frust_programming_101", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fppp3ppj%2Frust_programming_101'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60e92cacab217f4404e30f01c756896e4f159526 [INFO] checking ppp3ppj/rust_programming_101 against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fppp3ppj%2Frust_programming_101" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ppp3ppj/rust_programming_101 [INFO] finished tweaking git repo https://github.com/ppp3ppj/rust_programming_101 [INFO] tweaked toml for git repo https://github.com/ppp3ppj/rust_programming_101 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ppp3ppj/rust_programming_101 on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ppp3ppj/rust_programming_101 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d8a783dfa21c0e3db550bb6992f4dba7947c9988b0d70a285f2d733de992ef8 [INFO] running `Command { std: "docker" "start" "-a" "5d8a783dfa21c0e3db550bb6992f4dba7947c9988b0d70a285f2d733de992ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d8a783dfa21c0e3db550bb6992f4dba7947c9988b0d70a285f2d733de992ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d8a783dfa21c0e3db550bb6992f4dba7947c9988b0d70a285f2d733de992ef8", kill_on_drop: false }` [INFO] [stdout] 5d8a783dfa21c0e3db550bb6992f4dba7947c9988b0d70a285f2d733de992ef8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9e465ae92bff471371e27fe222a6c800554cfaeb5d3a189758f9b63f9846db0 [INFO] running `Command { std: "docker" "start" "-a" "b9e465ae92bff471371e27fe222a6c800554cfaeb5d3a189758f9b63f9846db0", kill_on_drop: false }` [INFO] [stderr] Checking basic_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `customers::Customer` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | customers::Customer, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `customers::Customer` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | customers::Customer, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | let mut x = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | let mut x = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value [INFO] [stdout] --> src/main.rs:178:15 [INFO] [stdout] | [INFO] [stdout] 171 | let x = checkGrade3(100); [INFO] [stdout] | - move occurs because `x` has type `Result`, which does not implement the `Copy` trait [INFO] [stdout] ... [INFO] [stdout] 176 | let y = x.unwrap(); // not recommend please check err real use guard pattern befor unwarp() [INFO] [stdout] | - -------- `x` moved due to this method call [INFO] [stdout] | | [INFO] [stdout] | help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents [INFO] [stdout] 177 | [INFO] [stdout] 178 | if let Ok(v) = x { [INFO] [stdout] | ^ value used here after move [INFO] [stdout] | [INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior [INFO] [stdout] | [INFO] [stdout] 176 | let y = x.clone().unwrap(); // not recommend please check err real use guard pattern befor unwarp() [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value [INFO] [stdout] --> src/main.rs:178:15 [INFO] [stdout] | [INFO] [stdout] 171 | let x = checkGrade3(100); [INFO] [stdout] | - move occurs because `x` has type `Result`, which does not implement the `Copy` trait [INFO] [stdout] ... [INFO] [stdout] 176 | let y = x.unwrap(); // not recommend please check err real use guard pattern befor unwarp() [INFO] [stdout] | - -------- `x` moved due to this method call [INFO] [stdout] | | [INFO] [stdout] | help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents [INFO] [stdout] 177 | [INFO] [stdout] 178 | if let Ok(v) = x { [INFO] [stdout] | ^ value used here after move [INFO] [stdout] | [INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior [INFO] [stdout] | [INFO] [stdout] 176 | let y = x.clone().unwrap(); // not recommend please check err real use guard pattern befor unwarp() [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | grade = "F"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | grade = "D"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | grade = "C"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | grade = "B"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | grade = "A"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:141:24 [INFO] [stdout] | [INFO] [stdout] 141 | Colors::Red => color = "red", [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:142:28 [INFO] [stdout] | [INFO] [stdout] 142 | Colors::Green => { color = "green" }, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:143:14 [INFO] [stdout] | [INFO] [stdout] 143 | _ => color = "blue" [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | grade = "F"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | grade = "D"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | grade = "C"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | grade = "B"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | grade = "A"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:141:24 [INFO] [stdout] | [INFO] [stdout] 141 | Colors::Red => color = "red", [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:142:28 [INFO] [stdout] | [INFO] [stdout] 142 | Colors::Green => { color = "green" }, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color` is never read [INFO] [stdout] --> src/main.rs:143:14 [INFO] [stdout] | [INFO] [stdout] 143 | _ => color = "blue" [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `basic_rust` (bin "basic_rust") due to 1 previous error; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `basic_rust` (bin "basic_rust" test) due to 1 previous error; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b9e465ae92bff471371e27fe222a6c800554cfaeb5d3a189758f9b63f9846db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e465ae92bff471371e27fe222a6c800554cfaeb5d3a189758f9b63f9846db0", kill_on_drop: false }` [INFO] [stdout] b9e465ae92bff471371e27fe222a6c800554cfaeb5d3a189758f9b63f9846db0