[INFO] cloning repository https://github.com/mixnuts07/Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mixnuts07/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixnuts07%2FRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixnuts07%2FRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dee52d4dc5a79f6368496dd081f45c70d658a878 [INFO] checking mixnuts07/Rust against master#bb89df6903539e7014b8db29bccd6a9ee9553122 for pr-121072 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixnuts07%2FRust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mixnuts07/Rust on toolchain bb89df6903539e7014b8db29bccd6a9ee9553122 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mixnuts07/Rust [INFO] finished tweaking git repo https://github.com/mixnuts07/Rust [INFO] tweaked toml for git repo https://github.com/mixnuts07/Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mixnuts07/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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking mixnuts07/Rust against try#e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 for pr-121072 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixnuts07%2FRust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mixnuts07/Rust on toolchain e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mixnuts07/Rust [INFO] finished tweaking git repo https://github.com/mixnuts07/Rust [INFO] tweaked toml for git repo https://github.com/mixnuts07/Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mixnuts07/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" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking mixnuts07/Rust against try#e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 for pr-121072 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixnuts07%2FRust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mixnuts07/Rust on toolchain e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mixnuts07/Rust [INFO] finished tweaking git repo https://github.com/mixnuts07/Rust [INFO] tweaked toml for git repo https://github.com/mixnuts07/Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mixnuts07/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" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 593e01743aa39a4ad636a715953375c4e00ecda41e3ae53c398f5b32c6f135d8 [INFO] running `Command { std: "docker" "start" "-a" "593e01743aa39a4ad636a715953375c4e00ecda41e3ae53c398f5b32c6f135d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "593e01743aa39a4ad636a715953375c4e00ecda41e3ae53c398f5b32c6f135d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "593e01743aa39a4ad636a715953375c4e00ecda41e3ae53c398f5b32c6f135d8", kill_on_drop: false }` [INFO] [stdout] 593e01743aa39a4ad636a715953375c4e00ecda41e3ae53c398f5b32c6f135d8 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81c844552ab8265e5968e83ec0c3b524924a7eab498146faef3263202fe48e23 [INFO] running `Command { std: "docker" "start" "-a" "81c844552ab8265e5968e83ec0c3b524924a7eab498146faef3263202fe48e23", kill_on_drop: false }` [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `v4` should have an upper camel case name [INFO] [stdout] --> src/main.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 184 | v4, [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `v6` should have an upper camel case name [INFO] [stdout] --> src/main.rs:185:5 [INFO] [stdout] | [INFO] [stdout] 185 | v6, [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `v4` should have an upper camel case name [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 188 | v4(String), [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `c6` should have an upper camel case name [INFO] [stdout] --> src/main.rs:189:5 [INFO] [stdout] | [INFO] [stdout] 189 | c6(String), [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `C6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `v4` should have an upper camel case name [INFO] [stdout] --> src/main.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 184 | v4, [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `v6` should have an upper camel case name [INFO] [stdout] --> src/main.rs:185:5 [INFO] [stdout] | [INFO] [stdout] 185 | v6, [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `v4` should have an upper camel case name [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 188 | v4(String), [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `c6` should have an upper camel case name [INFO] [stdout] --> src/main.rs:189:5 [INFO] [stdout] | [INFO] [stdout] 189 | c6(String), [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `C6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> src/main.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | let user: User = User::square(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | let four = IpAddrKind::v4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let six = IpAddrKind::v6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/main.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `square` is never used [INFO] [stdout] --> src/main.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 161 | impl User { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 162 | // static method [INFO] [stdout] 163 | fn square() -> Self{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_sample` is never used [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn struct_sample(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrKind` is never used [INFO] [stdout] --> src/main.rs:183:6 [INFO] [stdout] | [INFO] [stdout] 183 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/main.rs:187:6 [INFO] [stdout] | [INFO] [stdout] 187 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `enum_test` is never used [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn enum_test() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/main.rs:196:6 [INFO] [stdout] | [INFO] [stdout] 196 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Color` is never used [INFO] [stdout] --> src/main.rs:203:6 [INFO] [stdout] | [INFO] [stdout] 203 | enum Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `color_to_str` is never used [INFO] [stdout] --> src/main.rs:208:4 [INFO] [stdout] | [INFO] [stdout] 208 | fn color_to_str(color: &Color) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_maybe_number` is never used [INFO] [stdout] --> src/main.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn find_maybe_number(maybe_number: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `if_let` is never used [INFO] [stdout] --> src/main.rs:221:4 [INFO] [stdout] | [INFO] [stdout] 221 | fn if_let() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> src/main.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | let user: User = User::square(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | let four = IpAddrKind::v4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let six = IpAddrKind::v6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/main.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `square` is never used [INFO] [stdout] --> src/main.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 161 | impl User { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 162 | // static method [INFO] [stdout] 163 | fn square() -> Self{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_sample` is never used [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn struct_sample(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrKind` is never used [INFO] [stdout] --> src/main.rs:183:6 [INFO] [stdout] | [INFO] [stdout] 183 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/main.rs:187:6 [INFO] [stdout] | [INFO] [stdout] 187 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `enum_test` is never used [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn enum_test() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/main.rs:196:6 [INFO] [stdout] | [INFO] [stdout] 196 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Color` is never used [INFO] [stdout] --> src/main.rs:203:6 [INFO] [stdout] | [INFO] [stdout] 203 | enum Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `color_to_str` is never used [INFO] [stdout] --> src/main.rs:208:4 [INFO] [stdout] | [INFO] [stdout] 208 | fn color_to_str(color: &Color) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_maybe_number` is never used [INFO] [stdout] --> src/main.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn find_maybe_number(maybe_number: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `if_let` is never used [INFO] [stdout] --> src/main.rs:221:4 [INFO] [stdout] | [INFO] [stdout] 221 | fn if_let() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "81c844552ab8265e5968e83ec0c3b524924a7eab498146faef3263202fe48e23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81c844552ab8265e5968e83ec0c3b524924a7eab498146faef3263202fe48e23", kill_on_drop: false }` [INFO] [stdout] 81c844552ab8265e5968e83ec0c3b524924a7eab498146faef3263202fe48e23