[INFO] crate clitask 0.9.0 is already in cache [INFO] extracting crate clitask 0.9.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/clitask/0.9.0 [INFO] extracting crate clitask 0.9.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clitask/0.9.0 [INFO] validating manifest of clitask-0.9.0 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 clitask-0.9.0 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 clitask-0.9.0 [INFO] finished frobbing clitask-0.9.0 [INFO] frobbed toml for clitask-0.9.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/clitask/0.9.0/Cargo.toml [INFO] started frobbing clitask-0.9.0 [INFO] finished frobbing clitask-0.9.0 [INFO] frobbed toml for clitask-0.9.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/clitask/0.9.0/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 clitask-0.9.0 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/clitask/0.9.0:/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] b6f9966a85780ef49ff3375a9cc48140da15dcb411b6ba72afe2e14a81fb7c89 [INFO] running `"docker" "start" "-a" "b6f9966a85780ef49ff3375a9cc48140da15dcb411b6ba72afe2e14a81fb7c89"` [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling app_dirs v1.2.1 [INFO] [stderr] Compiling preferences v1.1.0 [INFO] [stderr] Compiling clitask v0.9.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | Err(e) => Settings { [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | self.save(&APP_INFO, ".config"); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | self.save(&APP_INFO, ".config"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.17s [INFO] running `"docker" "inspect" "b6f9966a85780ef49ff3375a9cc48140da15dcb411b6ba72afe2e14a81fb7c89"` [INFO] running `"docker" "rm" "-f" "b6f9966a85780ef49ff3375a9cc48140da15dcb411b6ba72afe2e14a81fb7c89"` [INFO] [stdout] b6f9966a85780ef49ff3375a9cc48140da15dcb411b6ba72afe2e14a81fb7c89 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/clitask/0.9.0:/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] ebb4d353b9304799df7f1c9b4d00f908b005bf1f8e671058a876f716c08062f3 [INFO] running `"docker" "start" "-a" "ebb4d353b9304799df7f1c9b4d00f908b005bf1f8e671058a876f716c08062f3"` [INFO] [stderr] Compiling clitask v0.9.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | Err(e) => Settings { [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | self.save(&APP_INFO, ".config"); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | self.save(&APP_INFO, ".config"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "ebb4d353b9304799df7f1c9b4d00f908b005bf1f8e671058a876f716c08062f3"` [INFO] running `"docker" "rm" "-f" "ebb4d353b9304799df7f1c9b4d00f908b005bf1f8e671058a876f716c08062f3"` [INFO] [stdout] ebb4d353b9304799df7f1c9b4d00f908b005bf1f8e671058a876f716c08062f3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/clitask/0.9.0:/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] 8a69efe6d401d4cad833e14cb10a7ceb7a57300d9b53df3ff4735fc1047370ec [INFO] running `"docker" "start" "-a" "8a69efe6d401d4cad833e14cb10a7ceb7a57300d9b53df3ff4735fc1047370ec"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/clitask-b68f6c6d445727d8 [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" "8a69efe6d401d4cad833e14cb10a7ceb7a57300d9b53df3ff4735fc1047370ec"` [INFO] running `"docker" "rm" "-f" "8a69efe6d401d4cad833e14cb10a7ceb7a57300d9b53df3ff4735fc1047370ec"` [INFO] [stdout] 8a69efe6d401d4cad833e14cb10a7ceb7a57300d9b53df3ff4735fc1047370ec