[INFO] updating cached repository marblenix/PropertiesChecker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marblenix/PropertiesChecker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marblenix/PropertiesChecker" "work/ex/beta-1.38-1/sources/1.37.0/gh/marblenix/PropertiesChecker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marblenix/PropertiesChecker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marblenix/PropertiesChecker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a5e7e03326083f94d8705a5257d7933d73bbe30
[INFO] sha for GitHub repo marblenix/PropertiesChecker: 5a5e7e03326083f94d8705a5257d7933d73bbe30
[INFO] validating manifest of marblenix/PropertiesChecker 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 marblenix/PropertiesChecker 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 marblenix/PropertiesChecker
[INFO] finished frobbing marblenix/PropertiesChecker
[INFO] frobbed toml for marblenix/PropertiesChecker written to work/ex/beta-1.38-1/sources/1.37.0/gh/marblenix/PropertiesChecker/Cargo.toml
[INFO] started frobbing marblenix/PropertiesChecker
[INFO] finished frobbing marblenix/PropertiesChecker
[INFO] frobbed toml for marblenix/PropertiesChecker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker/Cargo.toml
[INFO] crate marblenix/PropertiesChecker 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] [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 marblenix/PropertiesChecker 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker:/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] bf1e60764193ef97d6b13652e6331dab764185fbef3fe9c6026b99714dc31dba
[INFO] running `"docker" "start" "-a" "bf1e60764193ef97d6b13652e6331dab764185fbef3fe9c6026b99714dc31dba"`
[INFO] [stderr]    Compiling properties v0.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling PropertyChecker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains_key`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn contains_key(self, key: &str) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `PropertyChecker` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `property_checker`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `"docker" "inspect" "bf1e60764193ef97d6b13652e6331dab764185fbef3fe9c6026b99714dc31dba"`
[INFO] running `"docker" "rm" "-f" "bf1e60764193ef97d6b13652e6331dab764185fbef3fe9c6026b99714dc31dba"`
[INFO] [stdout] bf1e60764193ef97d6b13652e6331dab764185fbef3fe9c6026b99714dc31dba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker:/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] 18a7787ba2e60432c78d950672e9ae9ea5986132ed94459995e1d3b07727609a
[INFO] running `"docker" "start" "-a" "18a7787ba2e60432c78d950672e9ae9ea5986132ed94459995e1d3b07727609a"`
[INFO] [stderr]    Compiling PropertyChecker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains_key`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn contains_key(self, key: &str) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `PropertyChecker` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `property_checker`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "18a7787ba2e60432c78d950672e9ae9ea5986132ed94459995e1d3b07727609a"`
[INFO] running `"docker" "rm" "-f" "18a7787ba2e60432c78d950672e9ae9ea5986132ed94459995e1d3b07727609a"`
[INFO] [stdout] 18a7787ba2e60432c78d950672e9ae9ea5986132ed94459995e1d3b07727609a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marblenix/PropertiesChecker:/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] e91e3806989bfbac564813f665a34635af339db5aab419d6cbfea553d1bdcc0a
[INFO] running `"docker" "start" "-a" "e91e3806989bfbac564813f665a34635af339db5aab419d6cbfea553d1bdcc0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/PropertyChecker-e0a4ea80d988c30d
[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" "e91e3806989bfbac564813f665a34635af339db5aab419d6cbfea553d1bdcc0a"`
[INFO] running `"docker" "rm" "-f" "e91e3806989bfbac564813f665a34635af339db5aab419d6cbfea553d1bdcc0a"`
[INFO] [stdout] e91e3806989bfbac564813f665a34635af339db5aab419d6cbfea553d1bdcc0a