[INFO] updating cached repository https://github.com/ConceptsDemo/rust-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 8d400f89e275040a5947640679df9a477d368595 [INFO] testing ConceptsDemo/rust-example against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FConceptsDemo%2Frust-example" "work/builds/worker-8/source"` [INFO] [stderr] Cloning into 'work/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ConceptsDemo/rust-example on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ConceptsDemo/rust-example [INFO] finished tweaking git repo https://github.com/ConceptsDemo/rust-example [INFO] tweaked toml for git repo https://github.com/ConceptsDemo/rust-example written to work/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/ConceptsDemo/rust-example already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] a1183ff6718190779d0e55b073395ef9bc575bf19793a5a0e9e29ad7774652df [INFO] running `"docker" "start" "-a" "a1183ff6718190779d0e55b073395ef9bc575bf19793a5a0e9e29ad7774652df"` [INFO] [stderr] Compiling rust-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize` [INFO] [stderr] --> src/main.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize}; [INFO] [stderr] | ^^^ ^^^ ^^ ^^^ ^^^ ^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `age` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut age : u32 = 100; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_age` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/main.rs:64:6 [INFO] [stderr] | [INFO] [stderr] 64 | let count = rand_string.chars().count(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rand_tuple` [INFO] [stderr] --> src/main.rs:134:6 [INFO] [stderr] | [INFO] [stderr] 134 | let rand_tuple = ("Vancir", 30); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_rand_tuple` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quicksilver` [INFO] [stderr] --> src/main.rs:172:6 [INFO] [stderr] | [INFO] [stderr] 172 | let quicksilver = Hero::Fast; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_quicksilver` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut age : u32 = 100; [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/main.rs:18:6 [INFO] [stderr] | [INFO] [stderr] 18 | let mut var = -4i32; [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/main.rs:153:6 [INFO] [stderr] | [INFO] [stderr] 153 | let mut circle1 = Circle { [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/main.rs:166:6 [INFO] [stderr] | [INFO] [stderr] 166 | let mut rect1 = Rectangle { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `"docker" "inspect" "a1183ff6718190779d0e55b073395ef9bc575bf19793a5a0e9e29ad7774652df"` [INFO] running `"docker" "rm" "-f" "a1183ff6718190779d0e55b073395ef9bc575bf19793a5a0e9e29ad7774652df"` [INFO] [stdout] a1183ff6718190779d0e55b073395ef9bc575bf19793a5a0e9e29ad7774652df [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8c66532016c5f0ba7baf055cb1b7bfed6f8d690f5ea21207a1058a903acdc7f1 [INFO] running `"docker" "start" "-a" "8c66532016c5f0ba7baf055cb1b7bfed6f8d690f5ea21207a1058a903acdc7f1"` [INFO] [stderr] Compiling rust-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `f32`, `i16`, `i64`, `u16`, `u64`, `u8`, `usize` [INFO] [stderr] --> src/main.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, isize, usize}; [INFO] [stderr] | ^^^ ^^^ ^^ ^^^ ^^^ ^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `age` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut age : u32 = 100; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_age` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/main.rs:64:6 [INFO] [stderr] | [INFO] [stderr] 64 | let count = rand_string.chars().count(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rand_tuple` [INFO] [stderr] --> src/main.rs:134:6 [INFO] [stderr] | [INFO] [stderr] 134 | let rand_tuple = ("Vancir", 30); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_rand_tuple` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quicksilver` [INFO] [stderr] --> src/main.rs:172:6 [INFO] [stderr] | [INFO] [stderr] 172 | let quicksilver = Hero::Fast; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_quicksilver` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut age : u32 = 100; [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/main.rs:18:6 [INFO] [stderr] | [INFO] [stderr] 18 | let mut var = -4i32; [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/main.rs:153:6 [INFO] [stderr] | [INFO] [stderr] 153 | let mut circle1 = Circle { [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/main.rs:166:6 [INFO] [stderr] | [INFO] [stderr] 166 | let mut rect1 = Rectangle { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "8c66532016c5f0ba7baf055cb1b7bfed6f8d690f5ea21207a1058a903acdc7f1"` [INFO] running `"docker" "rm" "-f" "8c66532016c5f0ba7baf055cb1b7bfed6f8d690f5ea21207a1058a903acdc7f1"` [INFO] [stdout] 8c66532016c5f0ba7baf055cb1b7bfed6f8d690f5ea21207a1058a903acdc7f1 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 3a1605f197eeb1a1a5a85f06e9597c27abf0e7413f4c0391a470d5da473ddb1b [INFO] running `"docker" "start" "-a" "3a1605f197eeb1a1a5a85f06e9597c27abf0e7413f4c0391a470d5da473ddb1b"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_example-073d2dc5561f32b3 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "3a1605f197eeb1a1a5a85f06e9597c27abf0e7413f4c0391a470d5da473ddb1b"` [INFO] running `"docker" "rm" "-f" "3a1605f197eeb1a1a5a85f06e9597c27abf0e7413f4c0391a470d5da473ddb1b"` [INFO] [stdout] 3a1605f197eeb1a1a5a85f06e9597c27abf0e7413f4c0391a470d5da473ddb1b