[INFO] updating cached repository tomsik68/allcombs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomsik68/allcombs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomsik68/allcombs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomsik68/allcombs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsik68/allcombs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsik68/allcombs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a836996624f755c57ca5ebdd8d4540a0c252579
[INFO] sha for GitHub repo tomsik68/allcombs: 5a836996624f755c57ca5ebdd8d4540a0c252579
[INFO] validating manifest of tomsik68/allcombs 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 tomsik68/allcombs 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 tomsik68/allcombs
[INFO] finished frobbing tomsik68/allcombs
[INFO] frobbed toml for tomsik68/allcombs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs/Cargo.toml
[INFO] started frobbing tomsik68/allcombs
[INFO] finished frobbing tomsik68/allcombs
[INFO] frobbed toml for tomsik68/allcombs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsik68/allcombs/Cargo.toml
[INFO] crate tomsik68/allcombs 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] testing tomsik68/allcombs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs:/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] 59542dceaa09814418388d2b03e48d531c378b176f7cc9db2dbc668f316ba98a
[INFO] running `"docker" "start" "-a" "59542dceaa09814418388d2b03e48d531c378b176f7cc9db2dbc668f316ba98a"`
[INFO] [stderr]    Compiling allcombs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn print_usage(bin: &AsRef<str>) {
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "59542dceaa09814418388d2b03e48d531c378b176f7cc9db2dbc668f316ba98a"`
[INFO] running `"docker" "rm" "-f" "59542dceaa09814418388d2b03e48d531c378b176f7cc9db2dbc668f316ba98a"`
[INFO] [stdout] 59542dceaa09814418388d2b03e48d531c378b176f7cc9db2dbc668f316ba98a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs:/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] 1c4a717b93baa362e4ad11319aad17f1b03ff18bda338b0bcdd70b6233d47e21
[INFO] running `"docker" "start" "-a" "1c4a717b93baa362e4ad11319aad17f1b03ff18bda338b0bcdd70b6233d47e21"`
[INFO] [stderr]    Compiling allcombs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn print_usage(bin: &AsRef<str>) {
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn AsRef<str>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "1c4a717b93baa362e4ad11319aad17f1b03ff18bda338b0bcdd70b6233d47e21"`
[INFO] running `"docker" "rm" "-f" "1c4a717b93baa362e4ad11319aad17f1b03ff18bda338b0bcdd70b6233d47e21"`
[INFO] [stdout] 1c4a717b93baa362e4ad11319aad17f1b03ff18bda338b0bcdd70b6233d47e21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomsik68/allcombs:/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] 710f64adce39193cb01af88c64ed05807f4c4f4bfadb40ec1efa5bac4bc25e34
[INFO] running `"docker" "start" "-a" "710f64adce39193cb01af88c64ed05807f4c4f4bfadb40ec1efa5bac4bc25e34"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[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] [stderr]      Running /opt/crater/target/debug/deps/allcombs-73781f0574a05fa3
[INFO] running `"docker" "inspect" "710f64adce39193cb01af88c64ed05807f4c4f4bfadb40ec1efa5bac4bc25e34"`
[INFO] running `"docker" "rm" "-f" "710f64adce39193cb01af88c64ed05807f4c4f4bfadb40ec1efa5bac4bc25e34"`
[INFO] [stdout] 710f64adce39193cb01af88c64ed05807f4c4f4bfadb40ec1efa5bac4bc25e34