[INFO] crate clitask 0.9.0 is already in cache
[INFO] extracting crate clitask 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/clitask/0.9.0
[INFO] extracting crate clitask 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/clitask/0.9.0
[INFO] validating manifest of clitask-0.9.0 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 clitask-0.9.0 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 clitask-0.9.0
[INFO] finished frobbing clitask-0.9.0
[INFO] frobbed toml for clitask-0.9.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/clitask/0.9.0/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 clitask-0.9.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f14ce8609175a0cbdac004359ed5c01c35690540678180e20b687543e43753f5
[INFO] running `"docker" "start" "-a" "f14ce8609175a0cbdac004359ed5c01c35690540678180e20b687543e43753f5"`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut webtask;
[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: 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 4.69s
[INFO] running `"docker" "inspect" "f14ce8609175a0cbdac004359ed5c01c35690540678180e20b687543e43753f5"`
[INFO] running `"docker" "rm" "-f" "f14ce8609175a0cbdac004359ed5c01c35690540678180e20b687543e43753f5"`
[INFO] [stdout] f14ce8609175a0cbdac004359ed5c01c35690540678180e20b687543e43753f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 48d4b07e3ce50f46a091bb44819a99d2daf421d3ed78fcba86bfd759aa40d1cf
[INFO] running `"docker" "start" "-a" "48d4b07e3ce50f46a091bb44819a99d2daf421d3ed78fcba86bfd759aa40d1cf"`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut webtask;
[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: 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 0.92s
[INFO] running `"docker" "inspect" "48d4b07e3ce50f46a091bb44819a99d2daf421d3ed78fcba86bfd759aa40d1cf"`
[INFO] running `"docker" "rm" "-f" "48d4b07e3ce50f46a091bb44819a99d2daf421d3ed78fcba86bfd759aa40d1cf"`
[INFO] [stdout] 48d4b07e3ce50f46a091bb44819a99d2daf421d3ed78fcba86bfd759aa40d1cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc0575e6589e024f6247e44be7d6fbe9490b92fb828714869232bb024e0e1491
[INFO] running `"docker" "start" "-a" "dc0575e6589e024f6247e44be7d6fbe9490b92fb828714869232bb024e0e1491"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clitask-1a402c3162ce606e
[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" "dc0575e6589e024f6247e44be7d6fbe9490b92fb828714869232bb024e0e1491"`
[INFO] running `"docker" "rm" "-f" "dc0575e6589e024f6247e44be7d6fbe9490b92fb828714869232bb024e0e1491"`
[INFO] [stdout] dc0575e6589e024f6247e44be7d6fbe9490b92fb828714869232bb024e0e1491