[INFO] fetching crate https-everywhere-lib-core 0.1.1...
[INFO] extracting crate https-everywhere-lib-core 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/https-everywhere-lib-core/0.1.1
[INFO] extracting crate https-everywhere-lib-core 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/https-everywhere-lib-core/0.1.1
[INFO] validating manifest of https-everywhere-lib-core-0.1.1 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 https-everywhere-lib-core-0.1.1 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 https-everywhere-lib-core-0.1.1
[INFO] finished frobbing https-everywhere-lib-core-0.1.1
[INFO] frobbed toml for https-everywhere-lib-core-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/https-everywhere-lib-core/0.1.1/Cargo.toml
[INFO] started frobbing https-everywhere-lib-core-0.1.1
[INFO] finished frobbing https-everywhere-lib-core-0.1.1
[INFO] frobbed toml for https-everywhere-lib-core-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/https-everywhere-lib-core/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 https-everywhere-lib-core-0.1.1 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-6/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/https-everywhere-lib-core/0.1.1:/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] 793d39c74a073f18cdac85a93fe650885ed9abc299bf983e4f367c32cc90bede
[INFO] running `"docker" "start" "-a" "793d39c74a073f18cdac85a93fe650885ed9abc299bf983e4f367c32cc90bede"`
[INFO] [stderr]    Compiling https-everywhere-lib-core v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let mut ruleset_name: String;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "793d39c74a073f18cdac85a93fe650885ed9abc299bf983e4f367c32cc90bede"`
[INFO] running `"docker" "rm" "-f" "793d39c74a073f18cdac85a93fe650885ed9abc299bf983e4f367c32cc90bede"`
[INFO] [stdout] 793d39c74a073f18cdac85a93fe650885ed9abc299bf983e4f367c32cc90bede
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/https-everywhere-lib-core/0.1.1:/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] c95e76e43338d68143e19a1cc217a9125cbaa79e8f001a503c7d2344800e4149
[INFO] running `"docker" "start" "-a" "c95e76e43338d68143e19a1cc217a9125cbaa79e8f001a503c7d2344800e4149"`
[INFO] [stderr]    Compiling https-everywhere-lib-core v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let mut ruleset_name: String;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "c95e76e43338d68143e19a1cc217a9125cbaa79e8f001a503c7d2344800e4149"`
[INFO] running `"docker" "rm" "-f" "c95e76e43338d68143e19a1cc217a9125cbaa79e8f001a503c7d2344800e4149"`
[INFO] [stdout] c95e76e43338d68143e19a1cc217a9125cbaa79e8f001a503c7d2344800e4149
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/https-everywhere-lib-core/0.1.1:/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] 3d2f06633f735576c908505f7dc65e61f6b72ee76cc7883ca1f291fc4c4cfb60
[INFO] running `"docker" "start" "-a" "3d2f06633f735576c908505f7dc65e61f6b72ee76cc7883ca1f291fc4c4cfb60"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/https_everywhere_lib_core-a420bb0eced58ffc
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::potentially_applicable_no_matches ... ok
[INFO] [stdout] test update_channels::tests::creates_update_channels_correctly ... ok
[INFO] [stdout] test tests::potentially_applicable_left_widlcard ... ok
[INFO] [stdout] test tests::rulesets_represented_correctly ... ok
[INFO] [stdout] test tests::potentially_applicable ... ok
[INFO] [stdout] test tests::adds_targets_correctly ... ok
[INFO] [stdout] test update_channels::tests::panics_if_no_pem_specified ... ok
[INFO] [stdout] test update_channels::tests::panics_if_no_name_specified ... ok
[INFO] [stdout] test update_channels::tests::panics_if_pem_specified_incorrectly ... ok
[INFO] [stdout] test update_channels::tests::panics_if_no_update_path_prefix_specified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests https-everywhere-lib-core
[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" "3d2f06633f735576c908505f7dc65e61f6b72ee76cc7883ca1f291fc4c4cfb60"`
[INFO] running `"docker" "rm" "-f" "3d2f06633f735576c908505f7dc65e61f6b72ee76cc7883ca1f291fc4c4cfb60"`
[INFO] [stdout] 3d2f06633f735576c908505f7dc65e61f6b72ee76cc7883ca1f291fc4c4cfb60