[INFO] cloning repository https://github.com/rohitdas13595/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohitdas13595/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitdas13595%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitdas13595%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d0ea04d0ee2ec228db5529c5dff472c974bc3fd [INFO] checking rohitdas13595/rust-learning against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitdas13595%2Frust-learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rohitdas13595/rust-learning on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] finished tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] tweaked toml for git repo https://github.com/rohitdas13595/rust-learning written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rohitdas13595/rust-learning 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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "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 rohitdas13595/rust-learning against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitdas13595%2Frust-learning" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rohitdas13595/rust-learning on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] finished tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] tweaked toml for git repo https://github.com/rohitdas13595/rust-learning written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rohitdas13595/rust-learning 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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 rohitdas13595/rust-learning against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitdas13595%2Frust-learning" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rohitdas13595/rust-learning on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] finished tweaking git repo https://github.com/rohitdas13595/rust-learning [INFO] tweaked toml for git repo https://github.com/rohitdas13595/rust-learning written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rohitdas13595/rust-learning 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24400943c0d30974426fe4ecd711f73f380a87e9b1a6fbbbdcbac421986534c8 [INFO] running `Command { std: "docker" "start" "-a" "24400943c0d30974426fe4ecd711f73f380a87e9b1a6fbbbdcbac421986534c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24400943c0d30974426fe4ecd711f73f380a87e9b1a6fbbbdcbac421986534c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24400943c0d30974426fe4ecd711f73f380a87e9b1a6fbbbdcbac421986534c8", kill_on_drop: false }` [INFO] [stdout] 24400943c0d30974426fe4ecd711f73f380a87e9b1a6fbbbdcbac421986534c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab5c04fc7b8780cfcfa025e1974b221f03319d6d2aaa64986c470b6f8796528e [INFO] running `Command { std: "docker" "start" "-a" "ab5c04fc7b8780cfcfa025e1974b221f03319d6d2aaa64986c470b6f8796528e", kill_on_drop: false }` [INFO] [stderr] Checking learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `all_caps` is never used [INFO] [stdout] --> src/bin/testing.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn all_caps(word : &str)->String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `genus`, `species`, and `kingdom` are never read [INFO] [stdout] --> src/classes.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Animal{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | pub genus:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | pub species: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | pub kingdom: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Animal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enums.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | V4(i8,i8,i8,i8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 3 | V4((),(),(),()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `genus`, `species`, and `kingdom` are never read [INFO] [stdout] --> src/classes.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Animal{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | pub genus:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | pub species: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | pub kingdom: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Animal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | V6(String) [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | V6(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enums.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | V4(i8,i8,i8,i8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 3 | V4((),(),(),()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | V6(String) [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | V6(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `user_id` and `name` are never read [INFO] [stdout] --> src/bin/map_combinators.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User{ [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | user_id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `user_id` and `name` are never read [INFO] [stdout] --> src/bin/map_combinators.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User{ [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | user_id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "ab5c04fc7b8780cfcfa025e1974b221f03319d6d2aaa64986c470b6f8796528e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab5c04fc7b8780cfcfa025e1974b221f03319d6d2aaa64986c470b6f8796528e", kill_on_drop: false }` [INFO] [stdout] ab5c04fc7b8780cfcfa025e1974b221f03319d6d2aaa64986c470b6f8796528e