[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 beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 3447d6a30f024f7424a2e37f75e3b694544b4fbd101780541dc2f3d5d72025f8 [INFO] running `"docker" "start" "-a" "3447d6a30f024f7424a2e37f75e3b694544b4fbd101780541dc2f3d5d72025f8"` [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 curl-sys v0.4.20 [INFO] [stderr] Compiling socket2 v0.3.9 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling libnghttp2-sys v0.1.1 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling futures-channel-preview v0.2.2 [INFO] [stderr] Compiling futures-io-preview v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling futures-sink-preview v0.2.2 [INFO] [stderr] Compiling futures-util-preview v0.2.2 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling futures-executor-preview v0.2.2 [INFO] [stderr] Compiling withers_derive v0.2.0 [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 49.67s [INFO] running `"docker" "inspect" "3447d6a30f024f7424a2e37f75e3b694544b4fbd101780541dc2f3d5d72025f8"` [INFO] running `"docker" "rm" "-f" "3447d6a30f024f7424a2e37f75e3b694544b4fbd101780541dc2f3d5d72025f8"` [INFO] [stdout] 3447d6a30f024f7424a2e37f75e3b694544b4fbd101780541dc2f3d5d72025f8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] cbc67d73583c59b42b07c8c62f77284a99d97f7930069efe4dfb5fd5864e0bf4 [INFO] running `"docker" "start" "-a" "cbc67d73583c59b42b07c8c62f77284a99d97f7930069efe4dfb5fd5864e0bf4"` [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 2.77s [INFO] running `"docker" "inspect" "cbc67d73583c59b42b07c8c62f77284a99d97f7930069efe4dfb5fd5864e0bf4"` [INFO] running `"docker" "rm" "-f" "cbc67d73583c59b42b07c8c62f77284a99d97f7930069efe4dfb5fd5864e0bf4"` [INFO] [stdout] cbc67d73583c59b42b07c8c62f77284a99d97f7930069efe4dfb5fd5864e0bf4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 4fc12912a1a9c026c1355a60fb2edfcccfe5023f59aa5b6c716b0b2564c8ab39 [INFO] running `"docker" "start" "-a" "4fc12912a1a9c026c1355a60fb2edfcccfe5023f59aa5b6c716b0b2564c8ab39"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/crater/target/debug/deps/enums-556403cf575571ce [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] [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-8cb1b0b4bcb0f860 [INFO] [stderr] Running /opt/crater/target/debug/deps/traits-ade778488b839b4e [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" "4fc12912a1a9c026c1355a60fb2edfcccfe5023f59aa5b6c716b0b2564c8ab39"` [INFO] running `"docker" "rm" "-f" "4fc12912a1a9c026c1355a60fb2edfcccfe5023f59aa5b6c716b0b2564c8ab39"` [INFO] [stdout] 4fc12912a1a9c026c1355a60fb2edfcccfe5023f59aa5b6c716b0b2564c8ab39