[INFO] crate howtocards_backend 0.1.2 is already in cache
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/howtocards_backend/0.1.2
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/howtocards_backend/0.1.2
[INFO] validating manifest of howtocards_backend-0.1.2 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 howtocards_backend-0.1.2 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 howtocards_backend-0.1.2
[INFO] finished frobbing howtocards_backend-0.1.2
[INFO] frobbed toml for howtocards_backend-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/howtocards_backend/0.1.2/Cargo.toml
[INFO] started frobbing howtocards_backend-0.1.2
[INFO] finished frobbing howtocards_backend-0.1.2
[INFO] frobbed toml for howtocards_backend-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/howtocards_backend/0.1.2/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 howtocards_backend-0.1.2 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/howtocards_backend/0.1.2:/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] 9070184a43aa9fd818b4abf549f97c06f549130045b4e5e528271243ffd09698
[INFO] running `"docker" "start" "-a" "9070184a43aa9fd818b4abf549f97c06f549130045b4e5e528271243ffd09698"`
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling ron v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling rustbreak v2.0.0-rc3
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling howtocards_backend v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/db/token.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut tokens = self.by_user_id.get_mut(user_id).unwrap();
[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 2m 42s
[INFO] running `"docker" "inspect" "9070184a43aa9fd818b4abf549f97c06f549130045b4e5e528271243ffd09698"`
[INFO] running `"docker" "rm" "-f" "9070184a43aa9fd818b4abf549f97c06f549130045b4e5e528271243ffd09698"`
[INFO] [stdout] 9070184a43aa9fd818b4abf549f97c06f549130045b4e5e528271243ffd09698
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/howtocards_backend/0.1.2:/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] 697f6d359a7df0ae40d1d7cb31a404f600c7aaded3e85f1e0799c55413c8c92d
[INFO] running `"docker" "start" "-a" "697f6d359a7df0ae40d1d7cb31a404f600c7aaded3e85f1e0799c55413c8c92d"`
[INFO] [stderr]    Compiling howtocards_backend v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/db/token.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut tokens = self.by_user_id.get_mut(user_id).unwrap();
[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 9.68s
[INFO] running `"docker" "inspect" "697f6d359a7df0ae40d1d7cb31a404f600c7aaded3e85f1e0799c55413c8c92d"`
[INFO] running `"docker" "rm" "-f" "697f6d359a7df0ae40d1d7cb31a404f600c7aaded3e85f1e0799c55413c8c92d"`
[INFO] [stdout] 697f6d359a7df0ae40d1d7cb31a404f600c7aaded3e85f1e0799c55413c8c92d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/howtocards_backend/0.1.2:/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] 6c150070e9e8475b69845e6da3830351c1424a1bddb6afc726bc5131acd57b1b
[INFO] running `"docker" "start" "-a" "6c150070e9e8475b69845e6da3830351c1424a1bddb6afc726bc5131acd57b1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/howtocards-98638b3f2b33eb95
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test hasher::test::hash_password_use_hash_string ... ok
[INFO] [stdout] test hasher::test::hash_string_should_get_different_results_for_different_input ... ok
[INFO] [stdout] test hasher::test::hash_string_should_get_equal_results_for_equal_input ... ok
[INFO] [stdout] test db::token::test::create_token_returns_different_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/howtocards_server-ade8552b0d9a51f5
[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] [stderr]    Doc-tests howtocards
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/auth.rs - auth::Auth (line 67) ... ok
[INFO] [stdout] test src/auth.rs - auth::AuthOptional (line 105) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::ResultExt::or_err (line 11) ... ok
[INFO] [stdout] test src/hasher.rs - hasher::hash_string (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6c150070e9e8475b69845e6da3830351c1424a1bddb6afc726bc5131acd57b1b"`
[INFO] running `"docker" "rm" "-f" "6c150070e9e8475b69845e6da3830351c1424a1bddb6afc726bc5131acd57b1b"`
[INFO] [stdout] 6c150070e9e8475b69845e6da3830351c1424a1bddb6afc726bc5131acd57b1b