[INFO] crate release 0.8.1 is already in cache [INFO] extracting crate release 0.8.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/release/0.8.1 [INFO] extracting crate release 0.8.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/release/0.8.1 [INFO] validating manifest of release-0.8.1 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 release-0.8.1 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 release-0.8.1 [INFO] finished frobbing release-0.8.1 [INFO] frobbed toml for release-0.8.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/release/0.8.1/Cargo.toml [INFO] started frobbing release-0.8.1 [INFO] finished frobbing release-0.8.1 [INFO] frobbed toml for release-0.8.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/release/0.8.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing release-0.8.1 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/reg/release/0.8.1:/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] a8d860d6ccd986d0023733459e105ed23cbee987c0b3b30082f11ba9654b0da9 [INFO] running `"docker" "start" "-a" "a8d860d6ccd986d0023733459e105ed23cbee987c0b3b30082f11ba9654b0da9"` [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Compiling release v0.8.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/tags.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env::current_dir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `E` [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_E` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut versions = self.get_tags().versions(); [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/tags.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let mut val; [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/tags.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let mut obj; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/tags.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn iter(&self) -> Iter{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:25:17 [INFO] [stderr] | [INFO] [stderr] 25 | release.make_release(vtype); [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: variable `E` should have a snake case name [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/tags.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | Err(E) => Err(E) [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.38s [INFO] running `"docker" "inspect" "a8d860d6ccd986d0023733459e105ed23cbee987c0b3b30082f11ba9654b0da9"` [INFO] running `"docker" "rm" "-f" "a8d860d6ccd986d0023733459e105ed23cbee987c0b3b30082f11ba9654b0da9"` [INFO] [stdout] a8d860d6ccd986d0023733459e105ed23cbee987c0b3b30082f11ba9654b0da9 [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/reg/release/0.8.1:/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] 3eb66002fc5fb267e56f23c40d83b5c25916d79be40a81f6559a7c5c5e3a7539 [INFO] running `"docker" "start" "-a" "3eb66002fc5fb267e56f23c40d83b5c25916d79be40a81f6559a7c5c5e3a7539"` [INFO] [stderr] Compiling release v0.8.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/tags.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env::current_dir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `E` [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_E` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut versions = self.get_tags().versions(); [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/tags.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let mut val; [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/tags.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let mut obj; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/tags.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn iter(&self) -> Iter{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:25:17 [INFO] [stderr] | [INFO] [stderr] 25 | release.make_release(vtype); [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: variable `E` should have a snake case name [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/tags.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | Err(E) => Err(E) [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "3eb66002fc5fb267e56f23c40d83b5c25916d79be40a81f6559a7c5c5e3a7539"` [INFO] running `"docker" "rm" "-f" "3eb66002fc5fb267e56f23c40d83b5c25916d79be40a81f6559a7c5c5e3a7539"` [INFO] [stdout] 3eb66002fc5fb267e56f23c40d83b5c25916d79be40a81f6559a7c5c5e3a7539 [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/reg/release/0.8.1:/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] 98dbdc8f7fc7263e7caa25c2c0ee6df68834582fe679fea01c7f48131ed3ed24 [INFO] running `"docker" "start" "-a" "98dbdc8f7fc7263e7caa25c2c0ee6df68834582fe679fea01c7f48131ed3ed24"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/release-2042be15f36171d0 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test version::tests::test_increment_version ... ok [INFO] [stdout] test version::tests::test_version_debug_string ... ok [INFO] [stdout] test version::tests::test_version_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "98dbdc8f7fc7263e7caa25c2c0ee6df68834582fe679fea01c7f48131ed3ed24"` [INFO] running `"docker" "rm" "-f" "98dbdc8f7fc7263e7caa25c2c0ee6df68834582fe679fea01c7f48131ed3ed24"` [INFO] [stdout] 98dbdc8f7fc7263e7caa25c2c0ee6df68834582fe679fea01c7f48131ed3ed24