[INFO] cloning repository https://github.com/xudifsd/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xudifsd/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1c4fcff6c7f1c77bde570e02c1c576e424011e9 [INFO] checking xudifsd/hello_rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Fhello_rust" "/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/xudifsd/hello_rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xudifsd/hello_rust [INFO] finished tweaking git repo https://github.com/xudifsd/hello_rust [INFO] tweaked toml for git repo https://github.com/xudifsd/hello_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xudifsd/hello_rust 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fca4b525ee93d97c902cb5dfa2331655a917814f87786ab55b219cd5343493c [INFO] running `Command { std: "docker" "start" "-a" "0fca4b525ee93d97c902cb5dfa2331655a917814f87786ab55b219cd5343493c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fca4b525ee93d97c902cb5dfa2331655a917814f87786ab55b219cd5343493c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fca4b525ee93d97c902cb5dfa2331655a917814f87786ab55b219cd5343493c", kill_on_drop: false }` [INFO] [stdout] 0fca4b525ee93d97c902cb5dfa2331655a917814f87786ab55b219cd5343493c [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 128c777843688c725a689833691b2d66ae813e5784f2339b7c533607c8938139 [INFO] running `Command { std: "docker" "start" "-a" "128c777843688c725a689833691b2d66ae813e5784f2339b7c533607c8938139", kill_on_drop: false }` [INFO] [stderr] Checking hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `tree` [INFO] [stdout] --> src/tree.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | use tree::Tree; [INFO] [stdout] | ^^^^ maybe a missing crate `tree`? [INFO] [stdout] | [INFO] [stdout] = help: consider adding `extern crate tree` to use the `tree` crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_rust` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused macro definition: `assert_some_and_eq` [INFO] [stdout] --> src/main.rs:232:14 [INFO] [stdout] | [INFO] [stdout] 232 | macro_rules! assert_some_and_eq { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rc2` [INFO] [stdout] --> src/main.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 288 | let rc2 = rc1.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rc2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Node<'a, T> where T: 'a { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `insert` are never used [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl<'a, T> Node<'a, T> where T: PartialOrd { [INFO] [stdout] | ------------------------------------------- associated items in this implementation [INFO] [stdout] 18 | pub fn new(val: &'a T) -> Node<'a, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn insert(&mut self, val: &'a T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HasArea` is never used [INFO] [stdout] --> src/main.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | trait HasArea { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Circle` is never constructed [INFO] [stdout] --> src/main.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct Circle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Square` is never constructed [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Square { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_area` is never used [INFO] [stdout] --> src/main.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn get_area(t: T) -> f64 where T: HasArea { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | struct ListNode<'a, T> where T: PartialOrd + 'a { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/main.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 114 | struct List<'a, T> where T: PartialOrd + 'a { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, `pop`, and `reverse` are never used [INFO] [stdout] --> src/main.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 118 | impl<'a, T> List<'a, T> where T: PartialOrd + 'a { [INFO] [stdout] | ------------------------------------------------ associated items in this implementation [INFO] [stdout] 119 | fn new() -> List<'a, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | fn insert(&mut self, val: &'a T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | fn pop(&mut self) -> Option<&'a T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | fn reverse(mut self) -> List<'a, T> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackFrame` is never constructed [INFO] [stdout] --> src/main.rs:200:8 [INFO] [stdout] | [INFO] [stdout] 200 | struct StackFrame { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/main.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/main.rs:213:8 [INFO] [stdout] | [INFO] [stdout] 212 | impl Stack where T: Copy { [INFO] [stdout] | ------------------------------ associated items in this implementation [INFO] [stdout] 213 | fn new() -> Stack { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 216 | fn push(&mut self, val: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NotCopy` is never constructed [INFO] [stdout] --> src/main.rs:256:8 [INFO] [stdout] | [INFO] [stdout] 256 | struct NotCopy { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Owner` is never constructed [INFO] [stdout] --> src/main.rs:260:8 [INFO] [stdout] | [INFO] [stdout] 260 | struct Owner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/main.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 273 | struct Foo { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 274 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rc2` [INFO] [stdout] --> src/main.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 288 | let rc2 = rc1.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rc2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/main.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 273 | struct Foo { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 274 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "128c777843688c725a689833691b2d66ae813e5784f2339b7c533607c8938139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "128c777843688c725a689833691b2d66ae813e5784f2339b7c533607c8938139", kill_on_drop: false }` [INFO] [stdout] 128c777843688c725a689833691b2d66ae813e5784f2339b7c533607c8938139 [INFO] checking xudifsd/hello_rust against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Fhello_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xudifsd/hello_rust on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xudifsd/hello_rust [INFO] finished tweaking git repo https://github.com/xudifsd/hello_rust [INFO] tweaked toml for git repo https://github.com/xudifsd/hello_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xudifsd/hello_rust 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f78cfdf784d03e24a9bc39050c882aa8836f1a7ba5d02627d3da628667a150e [INFO] running `Command { std: "docker" "start" "-a" "7f78cfdf784d03e24a9bc39050c882aa8836f1a7ba5d02627d3da628667a150e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f78cfdf784d03e24a9bc39050c882aa8836f1a7ba5d02627d3da628667a150e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f78cfdf784d03e24a9bc39050c882aa8836f1a7ba5d02627d3da628667a150e", kill_on_drop: false }` [INFO] [stdout] 7f78cfdf784d03e24a9bc39050c882aa8836f1a7ba5d02627d3da628667a150e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e5acd731f5eef677b517f25d6dc7b2f9f8b795238f8251198919cbb4ddd8115 [INFO] running `Command { std: "docker" "start" "-a" "3e5acd731f5eef677b517f25d6dc7b2f9f8b795238f8251198919cbb4ddd8115", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "3e5acd731f5eef677b517f25d6dc7b2f9f8b795238f8251198919cbb4ddd8115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e5acd731f5eef677b517f25d6dc7b2f9f8b795238f8251198919cbb4ddd8115", kill_on_drop: false }` [INFO] [stdout] 3e5acd731f5eef677b517f25d6dc7b2f9f8b795238f8251198919cbb4ddd8115