[INFO] crate howtocards_backend 0.1.2 is already in cache
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/howtocards_backend/0.1.2
[INFO] extracting crate howtocards_backend 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/howtocards_backend/0.1.2
[INFO] validating manifest of howtocards_backend-0.1.2 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 howtocards_backend-0.1.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/howtocards_backend/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing howtocards_backend-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 56df7233c60323bb8d3aa13bf19ba61405ced5f2fa162a2a4b244930b8adb168
[INFO] running `"docker" "start" "-a" "56df7233c60323bb8d3aa13bf19ba61405ced5f2fa162a2a4b244930b8adb168"`
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling ron v0.2.2
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling rustbreak v2.0.0-rc3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling notify-rust v3.6.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling actix v0.7.9
[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 40s
[INFO] running `"docker" "inspect" "56df7233c60323bb8d3aa13bf19ba61405ced5f2fa162a2a4b244930b8adb168"`
[INFO] running `"docker" "rm" "-f" "56df7233c60323bb8d3aa13bf19ba61405ced5f2fa162a2a4b244930b8adb168"`
[INFO] [stdout] 56df7233c60323bb8d3aa13bf19ba61405ced5f2fa162a2a4b244930b8adb168
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 81494477c3236be2a15c7c69207f3eacbee3d49097d78e9cc6407b2cefa55756
[INFO] running `"docker" "start" "-a" "81494477c3236be2a15c7c69207f3eacbee3d49097d78e9cc6407b2cefa55756"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 8.17s
[INFO] running `"docker" "inspect" "81494477c3236be2a15c7c69207f3eacbee3d49097d78e9cc6407b2cefa55756"`
[INFO] running `"docker" "rm" "-f" "81494477c3236be2a15c7c69207f3eacbee3d49097d78e9cc6407b2cefa55756"`
[INFO] [stdout] 81494477c3236be2a15c7c69207f3eacbee3d49097d78e9cc6407b2cefa55756
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d137f7b8cb1120c9e39994be50564d40acb44d79c6d68e5d5376617bb9d794f8
[INFO] running `"docker" "start" "-a" "d137f7b8cb1120c9e39994be50564d40acb44d79c6d68e5d5376617bb9d794f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/howtocards-eff240792c9c677f
[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-24f2003c413835a8
[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/prelude.rs - prelude::ResultExt::or_err (line 11) ... ok
[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/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" "d137f7b8cb1120c9e39994be50564d40acb44d79c6d68e5d5376617bb9d794f8"`
[INFO] running `"docker" "rm" "-f" "d137f7b8cb1120c9e39994be50564d40acb44d79c6d68e5d5376617bb9d794f8"`
[INFO] [stdout] d137f7b8cb1120c9e39994be50564d40acb44d79c6d68e5d5376617bb9d794f8