[INFO] crate release 0.8.1 is already in cache [INFO] extracting crate release 0.8.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/release/0.8.1 [INFO] extracting crate release 0.8.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/release/0.8.1 [INFO] validating manifest of release-0.8.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of release-0.8.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/release/0.8.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing release-0.8.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] efc4dfd87c9fbcc0cd1d018bbf2f821123675ba9113a1357a37b1d312c56b0e3 [INFO] running `"docker" "start" "-a" "efc4dfd87c9fbcc0cd1d018bbf2f821123675ba9113a1357a37b1d312c56b0e3"` [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling curl-sys v0.4.20 [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 27.53s [INFO] running `"docker" "inspect" "efc4dfd87c9fbcc0cd1d018bbf2f821123675ba9113a1357a37b1d312c56b0e3"` [INFO] running `"docker" "rm" "-f" "efc4dfd87c9fbcc0cd1d018bbf2f821123675ba9113a1357a37b1d312c56b0e3"` [INFO] [stdout] efc4dfd87c9fbcc0cd1d018bbf2f821123675ba9113a1357a37b1d312c56b0e3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] df82acfc55ffe8dfd443f6f77de07a7a9db91842adcb0c6065cb7311e1455e68 [INFO] running `"docker" "start" "-a" "df82acfc55ffe8dfd443f6f77de07a7a9db91842adcb0c6065cb7311e1455e68"` [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 0.74s [INFO] running `"docker" "inspect" "df82acfc55ffe8dfd443f6f77de07a7a9db91842adcb0c6065cb7311e1455e68"` [INFO] running `"docker" "rm" "-f" "df82acfc55ffe8dfd443f6f77de07a7a9db91842adcb0c6065cb7311e1455e68"` [INFO] [stdout] df82acfc55ffe8dfd443f6f77de07a7a9db91842adcb0c6065cb7311e1455e68 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] 8e6b76d4df06aabb42ea6b1e37b2697567cf357f2c107f184567db57b71cd89d [INFO] running `"docker" "start" "-a" "8e6b76d4df06aabb42ea6b1e37b2697567cf357f2c107f184567db57b71cd89d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/release-a20586ee29a41708 [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" "8e6b76d4df06aabb42ea6b1e37b2697567cf357f2c107f184567db57b71cd89d"` [INFO] running `"docker" "rm" "-f" "8e6b76d4df06aabb42ea6b1e37b2697567cf357f2c107f184567db57b71cd89d"` [INFO] [stdout] 8e6b76d4df06aabb42ea6b1e37b2697567cf357f2c107f184567db57b71cd89d