[INFO] fetching crate howtocards_backend 0.1.2...
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/howtocards_backend/0.1.2
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/howtocards_backend/0.1.2
[INFO] validating manifest of howtocards_backend-0.1.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of howtocards_backend-0.1.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/howtocards_backend/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing howtocards_backend-0.1.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] a848ea869602a84077799544f5dc97416e221152d0030bf15edf85c7255a4b6f
[INFO] running `"docker" "start" "-a" "a848ea869602a84077799544f5dc97416e221152d0030bf15edf85c7255a4b6f"`
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde v1.0.92
[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 diesel v1.4.2
[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 uuid v0.7.4
[INFO] [stderr]    Compiling ron v0.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[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 45s
[INFO] running `"docker" "inspect" "a848ea869602a84077799544f5dc97416e221152d0030bf15edf85c7255a4b6f"`
[INFO] running `"docker" "rm" "-f" "a848ea869602a84077799544f5dc97416e221152d0030bf15edf85c7255a4b6f"`
[INFO] [stdout] a848ea869602a84077799544f5dc97416e221152d0030bf15edf85c7255a4b6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] bff58c293b161322d46880ded13930fceaad8e5d846f9e00d209b7e4ef56cb64
[INFO] running `"docker" "start" "-a" "bff58c293b161322d46880ded13930fceaad8e5d846f9e00d209b7e4ef56cb64"`
[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 8.42s
[INFO] running `"docker" "inspect" "bff58c293b161322d46880ded13930fceaad8e5d846f9e00d209b7e4ef56cb64"`
[INFO] running `"docker" "rm" "-f" "bff58c293b161322d46880ded13930fceaad8e5d846f9e00d209b7e4ef56cb64"`
[INFO] [stdout] bff58c293b161322d46880ded13930fceaad8e5d846f9e00d209b7e4ef56cb64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 35704194a3fca98ea8d17d8e07d2d137edd3f061fbd0613ca4f64e05a4a7c0f7
[INFO] running `"docker" "start" "-a" "35704194a3fca98ea8d17d8e07d2d137edd3f061fbd0613ca4f64e05a4a7c0f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/howtocards-62e8aca3422f9d9a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test hasher::test::hash_string_should_get_equal_results_for_equal_input ... ok
[INFO] [stdout] test hasher::test::hash_string_should_get_different_results_for_different_input ... ok
[INFO] [stdout] test hasher::test::hash_password_use_hash_string ... 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-065f021592b83993
[INFO] [stderr]    Doc-tests howtocards
[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] [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" "35704194a3fca98ea8d17d8e07d2d137edd3f061fbd0613ca4f64e05a4a7c0f7"`
[INFO] running `"docker" "rm" "-f" "35704194a3fca98ea8d17d8e07d2d137edd3f061fbd0613ca4f64e05a4a7c0f7"`
[INFO] [stdout] 35704194a3fca98ea8d17d8e07d2d137edd3f061fbd0613ca4f64e05a4a7c0f7