[INFO] cloning repository NikosEfthias/rust-lessons-code [INFO] running `"git" "clone" "--bare" "git://github.com/NikosEfthias/rust-lessons-code.git" "work/cache/sources/gh/NikosEfthias/rust-lessons-code"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/NikosEfthias/rust-lessons-code'... [INFO] running `"git" "clone" "work/cache/sources/gh/NikosEfthias/rust-lessons-code" "work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/NikosEfthias/rust-lessons-code" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NikosEfthias/rust-lessons-code"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NikosEfthias/rust-lessons-code'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 85e333d4fe442602b75f5ef9df5c9d0634970e9c [INFO] sha for GitHub repo NikosEfthias/rust-lessons-code: 85e333d4fe442602b75f5ef9df5c9d0634970e9c [INFO] validating manifest of NikosEfthias/rust-lessons-code on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NikosEfthias/rust-lessons-code on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing NikosEfthias/rust-lessons-code [INFO] finished frobbing NikosEfthias/rust-lessons-code [INFO] frobbed toml for NikosEfthias/rust-lessons-code written to work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code/Cargo.toml [INFO] started frobbing NikosEfthias/rust-lessons-code [INFO] finished frobbing NikosEfthias/rust-lessons-code [INFO] frobbed toml for NikosEfthias/rust-lessons-code written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NikosEfthias/rust-lessons-code/Cargo.toml [INFO] crate NikosEfthias/rust-lessons-code already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chttp v0.4.5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing NikosEfthias/rust-lessons-code against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] b373abb70aa107651387cd8ccb2d9a8c3a434d792707b191142090214aee6b4d [INFO] running `"docker" "start" "-a" "b373abb70aa107651387cd8ccb2d9a8c3a434d792707b191142090214aee6b4d"` [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling curl v0.4.22 [INFO] [stderr] Compiling chttp v0.4.5 [INFO] [stderr] Compiling futures-core-preview v0.2.3 [INFO] [stderr] Compiling libnghttp2-sys v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.48 [INFO] [stderr] Compiling curl-sys v0.4.20 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling socket2 v0.3.9 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling futures-channel-preview v0.2.2 [INFO] [stderr] Compiling futures-io-preview v0.2.2 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling futures-sink-preview v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling futures-util-preview v0.2.2 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling withers_derive v0.2.0 [INFO] [stderr] Compiling futures-executor-preview v0.2.2 [INFO] [stderr] Compiling futures-stable-preview v0.2.3 [INFO] [stderr] Compiling futures-async-runtime-preview v0.2.3 [INFO] [stderr] Compiling futures-preview v0.2.2 [INFO] [stderr] Compiling repo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `phone` [INFO] [stderr] --> src/structs.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | phone: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/traits.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut my_money = Currency::new(12, 50); [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: method is never used: `add` [INFO] [stderr] --> src/traits.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn add(&self, c: &Currency) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_mut` [INFO] [stderr] --> src/traits.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn add_mut(&mut self, c: &Currency) -> &Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `IpError::*` [INFO] [stderr] --> src/enums.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use IpError::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yerel` [INFO] [stderr] --> src/enums.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Yerel(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.82s [INFO] running `"docker" "inspect" "b373abb70aa107651387cd8ccb2d9a8c3a434d792707b191142090214aee6b4d"` [INFO] running `"docker" "rm" "-f" "b373abb70aa107651387cd8ccb2d9a8c3a434d792707b191142090214aee6b4d"` [INFO] [stdout] b373abb70aa107651387cd8ccb2d9a8c3a434d792707b191142090214aee6b4d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ceecb72f4a2d998571c91868e91434ebc30c5575636e12235a6fd279bdd41ab3 [INFO] running `"docker" "start" "-a" "ceecb72f4a2d998571c91868e91434ebc30c5575636e12235a6fd279bdd41ab3"` [INFO] [stderr] Compiling repo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `phone` [INFO] [stderr] --> src/structs.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | phone: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/traits.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut my_money = Currency::new(12, 50); [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: method is never used: `add` [INFO] [stderr] --> src/traits.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn add(&self, c: &Currency) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_mut` [INFO] [stderr] --> src/traits.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn add_mut(&mut self, c: &Currency) -> &Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `IpError::*` [INFO] [stderr] --> src/enums.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use IpError::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yerel` [INFO] [stderr] --> src/enums.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Yerel(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.64s [INFO] running `"docker" "inspect" "ceecb72f4a2d998571c91868e91434ebc30c5575636e12235a6fd279bdd41ab3"` [INFO] running `"docker" "rm" "-f" "ceecb72f4a2d998571c91868e91434ebc30c5575636e12235a6fd279bdd41ab3"` [INFO] [stdout] ceecb72f4a2d998571c91868e91434ebc30c5575636e12235a6fd279bdd41ab3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NikosEfthias/rust-lessons-code:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 66f1fd01c7124f0735b19f0b0a9d42b9e8e8f9087fa821494350c168590ed964 [INFO] running `"docker" "start" "-a" "66f1fd01c7124f0735b19f0b0a9d42b9e8e8f9087fa821494350c168590ed964"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/crater/target/debug/deps/enums-8c1cfffa7dabef45 [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] [stderr] Running /opt/crater/target/debug/deps/structs-a6dc649770fc2e1f [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] [stderr] Running /opt/crater/target/debug/deps/traits-8e859a70aa581fa1 [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" "66f1fd01c7124f0735b19f0b0a9d42b9e8e8f9087fa821494350c168590ed964"` [INFO] running `"docker" "rm" "-f" "66f1fd01c7124f0735b19f0b0a9d42b9e8e8f9087fa821494350c168590ed964"` [INFO] [stdout] 66f1fd01c7124f0735b19f0b0a9d42b9e8e8f9087fa821494350c168590ed964