[INFO] updating cached repository djmcgill/domingler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djmcgill/domingler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djmcgill/domingler" "work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djmcgill/domingler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djmcgill/domingler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djmcgill/domingler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b25325f3c4ff60ba99b371d6801bf7fbade51379
[INFO] sha for GitHub repo djmcgill/domingler: b25325f3c4ff60ba99b371d6801bf7fbade51379
[INFO] validating manifest of djmcgill/domingler 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 djmcgill/domingler 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 djmcgill/domingler
[INFO] finished frobbing djmcgill/domingler
[INFO] frobbed toml for djmcgill/domingler written to work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler/Cargo.toml
[INFO] started frobbing djmcgill/domingler
[INFO] finished frobbing djmcgill/domingler
[INFO] frobbed toml for djmcgill/domingler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djmcgill/domingler/Cargo.toml
[INFO] crate djmcgill/domingler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing djmcgill/domingler against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 49d3dc400e19fd235720d2cea2d47a639738e55e363252597ce892c15f1b274b
[INFO] running `"docker" "start" "-a" "49d3dc400e19fd235720d2cea2d47a639738e55e363252597ce892c15f1b274b"`
[INFO] [stderr]    Compiling domingler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     Err(e) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `poptype_implicit_definition_count` is assigned to, but never used
[INFO] [stderr]   --> src/mapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut poptype_implicit_definition_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_poptype_implicit_definition_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enchantments_implicit_definition_count`
[INFO] [stderr]   --> src/mapper.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut enchantments_implicit_definition_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_enchantments_implicit_definition_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mapper.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut enchantments_implicit_definition_count = 0;
[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 3.32s
[INFO] running `"docker" "inspect" "49d3dc400e19fd235720d2cea2d47a639738e55e363252597ce892c15f1b274b"`
[INFO] running `"docker" "rm" "-f" "49d3dc400e19fd235720d2cea2d47a639738e55e363252597ce892c15f1b274b"`
[INFO] [stdout] 49d3dc400e19fd235720d2cea2d47a639738e55e363252597ce892c15f1b274b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 957ff36ac4392636d39cdd09995694093427bc3f8f76788365f0a71055651180
[INFO] running `"docker" "start" "-a" "957ff36ac4392636d39cdd09995694093427bc3f8f76788365f0a71055651180"`
[INFO] [stderr]    Compiling domingler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     Err(e) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `poptype_implicit_definition_count` is assigned to, but never used
[INFO] [stderr]   --> src/mapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut poptype_implicit_definition_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_poptype_implicit_definition_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enchantments_implicit_definition_count`
[INFO] [stderr]   --> src/mapper.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut enchantments_implicit_definition_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_enchantments_implicit_definition_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mapper.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut enchantments_implicit_definition_count = 0;
[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 1.99s
[INFO] running `"docker" "inspect" "957ff36ac4392636d39cdd09995694093427bc3f8f76788365f0a71055651180"`
[INFO] running `"docker" "rm" "-f" "957ff36ac4392636d39cdd09995694093427bc3f8f76788365f0a71055651180"`
[INFO] [stdout] 957ff36ac4392636d39cdd09995694093427bc3f8f76788365f0a71055651180
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djmcgill/domingler:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 315d97b90ec7d79c739e6db28a094a1e77f9377f57ca7d71c3ef7bff9dbeb229
[INFO] running `"docker" "start" "-a" "315d97b90ec7d79c739e6db28a094a1e77f9377f57ca7d71c3ef7bff9dbeb229"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/domingler-e85f5e08f7741fc8
[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" "315d97b90ec7d79c739e6db28a094a1e77f9377f57ca7d71c3ef7bff9dbeb229"`
[INFO] running `"docker" "rm" "-f" "315d97b90ec7d79c739e6db28a094a1e77f9377f57ca7d71c3ef7bff9dbeb229"`
[INFO] [stdout] 315d97b90ec7d79c739e6db28a094a1e77f9377f57ca7d71c3ef7bff9dbeb229