[INFO] cloning repository https://github.com/kartikra/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/kartikra/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikra%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikra%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f021ee7851f750382800a464df0138feae71b73 [INFO] checking kartikra/hello-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikra%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/kartikra/hello-rust on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kartikra/hello-rust [INFO] finished tweaking git repo https://github.com/kartikra/hello-rust [INFO] tweaked toml for git repo https://github.com/kartikra/hello-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kartikra/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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52b1d21c614409cef30fd767dab7ad94494d0856d73db3bf51825078dc21ffc1 [INFO] running `Command { std: "docker" "start" "-a" "52b1d21c614409cef30fd767dab7ad94494d0856d73db3bf51825078dc21ffc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52b1d21c614409cef30fd767dab7ad94494d0856d73db3bf51825078dc21ffc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b1d21c614409cef30fd767dab7ad94494d0856d73db3bf51825078dc21ffc1", kill_on_drop: false }` [INFO] [stdout] 52b1d21c614409cef30fd767dab7ad94494d0856d73db3bf51825078dc21ffc1 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e012fcd53633a78ab83ef0061c199f605567cda0e29288f335555b31f8f8bb9 [INFO] running `Command { std: "docker" "start" "-a" "6e012fcd53633a78ab83ef0061c199f605567cda0e29288f335555b31f8f8bb9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [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 hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/word_count.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, fs::File, io::{BufReader, BufRead}, collections::HashMap, error::Error}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/word_count.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, fs::File, io::{BufReader, BufRead}, collections::HashMap, error::Error}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basics/scope.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut z = 7; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `color` [INFO] [stdout] --> src/primitive/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let color = Color::Red; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/primitive/collection.rs:68:10 [INFO] [stdout] | [INFO] [stdout] 68 | Ammo(u8), [INFO] [stdout] | ---- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 68 | Ammo(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basics/scope.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut z = 7; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/primitive/collection.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | Things(String, i32), // Tuple [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] 69 | Things((), ()), // Tuple [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `color` [INFO] [stdout] --> src/primitive/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let color = Color::Red; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/primitive/collection.rs:68:10 [INFO] [stdout] | [INFO] [stdout] 68 | Ammo(u8), [INFO] [stdout] | ---- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 68 | Ammo(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/primitive/collection.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | Things(String, i32), // Tuple [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] 69 | Things((), ()), // Tuple [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s [INFO] running `Command { std: "docker" "inspect" "6e012fcd53633a78ab83ef0061c199f605567cda0e29288f335555b31f8f8bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e012fcd53633a78ab83ef0061c199f605567cda0e29288f335555b31f8f8bb9", kill_on_drop: false }` [INFO] [stdout] 6e012fcd53633a78ab83ef0061c199f605567cda0e29288f335555b31f8f8bb9