[INFO] updating cached repository https://github.com/harindaka/rust-guessing-game [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 716793c84c29061b61008283e5fd1e3ded13ffc6 [INFO] checking harindaka/rust-guessing-game against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharindaka%2Frust-guessing-game" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/harindaka/rust-guessing-game on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/harindaka/rust-guessing-game [INFO] finished tweaking git repo https://github.com/harindaka/rust-guessing-game [INFO] tweaked toml for git repo https://github.com/harindaka/rust-guessing-game written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/harindaka/rust-guessing-game already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d3a7d06914feb5ded585a5a492d623c520755d74f150cf9fa5b2e7a234d3dd8e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "d3a7d06914feb5ded585a5a492d623c520755d74f150cf9fa5b2e7a234d3dd8e"` [INFO] [stderr] Checking serde v1.0.17 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Compiling serde_derive v1.0.17 [INFO] [stderr] Checking serde_json v1.0.5 [INFO] [stderr] Checking rust_examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/configuration.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_build` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_prod` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_build` [INFO] [stderr] --> src/configuration.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_build` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config_prod` [INFO] [stderr] --> src/configuration.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_config_prod` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut config_build: Value =from_str(include_str!("config/build.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut config_qa: Value = from_str(include_str!("config/config_qa.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/configuration.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut config_prod: Value = from_str(include_str!("config/config_prod.json")).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.74s [INFO] running `"docker" "inspect" "d3a7d06914feb5ded585a5a492d623c520755d74f150cf9fa5b2e7a234d3dd8e"` [INFO] running `"docker" "rm" "-f" "d3a7d06914feb5ded585a5a492d623c520755d74f150cf9fa5b2e7a234d3dd8e"` [INFO] [stdout] d3a7d06914feb5ded585a5a492d623c520755d74f150cf9fa5b2e7a234d3dd8e