[INFO] crate math-lib 0.1.0 is already in cache [INFO] checking math-lib-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate math-lib 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate math-lib 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate math-lib 0.1.0 [INFO] finished tweaking crates.io crate math-lib 0.1.0 [INFO] tweaked toml for crates.io crate math-lib 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 362ace663fa6c4d6a9b0fdf282baa9850d586fa767aaffd3a54d1184d8f9cda4 [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" "362ace663fa6c4d6a9b0fdf282baa9850d586fa767aaffd3a54d1184d8f9cda4"` [INFO] [stderr] Checking math-lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `substraction` [INFO] [stderr] --> src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn substraction(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `multiplication` [INFO] [stderr] --> src/lib.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn multiplication(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `division` [INFO] [stderr] --> src/lib.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn division(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reminder` [INFO] [stderr] --> src/lib.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn reminder(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | io::stdin().read_line(&mut num1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | io::stdin().read_line(&mut num2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `substraction` [INFO] [stderr] --> src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn substraction(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `multiplication` [INFO] [stderr] --> src/lib.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn multiplication(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `division` [INFO] [stderr] --> src/lib.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn division(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reminder` [INFO] [stderr] --> src/lib.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn reminder(x:i32,y:i32)->i32 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | io::stdin().read_line(&mut num1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | io::stdin().read_line(&mut num2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `"docker" "inspect" "362ace663fa6c4d6a9b0fdf282baa9850d586fa767aaffd3a54d1184d8f9cda4"` [INFO] running `"docker" "rm" "-f" "362ace663fa6c4d6a9b0fdf282baa9850d586fa767aaffd3a54d1184d8f9cda4"` [INFO] [stdout] 362ace663fa6c4d6a9b0fdf282baa9850d586fa767aaffd3a54d1184d8f9cda4