[INFO] cloning repository snowbellows/barlow
[INFO] running `"git" "clone" "--bare" "git://github.com/snowbellows/barlow.git" "work/cache/sources/gh/snowbellows/barlow"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/snowbellows/barlow'...
[INFO] running `"git" "clone" "work/cache/sources/gh/snowbellows/barlow" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snowbellows/barlow"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snowbellows/barlow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snowbellows/barlow" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snowbellows/barlow"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snowbellows/barlow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebca5aafd9dd301315ac5ca9fd96a61dfb8daae9
[INFO] sha for GitHub repo snowbellows/barlow: ebca5aafd9dd301315ac5ca9fd96a61dfb8daae9
[INFO] validating manifest of snowbellows/barlow on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snowbellows/barlow on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snowbellows/barlow
[INFO] finished frobbing snowbellows/barlow
[INFO] frobbed toml for snowbellows/barlow written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snowbellows/barlow/Cargo.toml
[INFO] started frobbing snowbellows/barlow
[INFO] finished frobbing snowbellows/barlow
[INFO] frobbed toml for snowbellows/barlow written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snowbellows/barlow/Cargo.toml
[INFO] crate snowbellows/barlow already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking snowbellows/barlow against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snowbellows/barlow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c16dd73441c9b943281e7c5338bc314b7f4b38c88a042a876b982889b343713
[INFO] running `"docker" "start" "-a" "1c16dd73441c9b943281e7c5338bc314b7f4b38c88a042a876b982889b343713"`
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking headers-core v0.1.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.3
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking warp v0.1.13
[INFO] [stderr]     Checking diesel v1.4.1
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]     Checking barlow_spa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `scrypt_check`
[INFO] [stderr]  --> src/authentication.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use scrypt::{scrypt_check, scrypt_simple, ScryptParams};
[INFO] [stderr]   |              ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/result.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `insert_user`
[INFO] [stderr]  --> src/authentication.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn insert_user(create: NewUser, conn: PooledPg) -> Result<User> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/result.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Input`
[INFO] [stderr]   --> src/result.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Input(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `"docker" "inspect" "1c16dd73441c9b943281e7c5338bc314b7f4b38c88a042a876b982889b343713"`
[INFO] running `"docker" "rm" "-f" "1c16dd73441c9b943281e7c5338bc314b7f4b38c88a042a876b982889b343713"`
[INFO] [stdout] 1c16dd73441c9b943281e7c5338bc314b7f4b38c88a042a876b982889b343713