[INFO] updating cached repository micxjo/rust-synacor-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/micxjo/rust-synacor-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/beta-1.37-6/sources/1.36.0/gh/micxjo/rust-synacor-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/micxjo/rust-synacor-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1af2ddd8bc6c770610adfe05def9ba03c118ac6f
[INFO] sha for GitHub repo micxjo/rust-synacor-challenge: 1af2ddd8bc6c770610adfe05def9ba03c118ac6f
[INFO] validating manifest of micxjo/rust-synacor-challenge on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of micxjo/rust-synacor-challenge on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing micxjo/rust-synacor-challenge
[INFO] finished frobbing micxjo/rust-synacor-challenge
[INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/beta-1.37-6/sources/1.36.0/gh/micxjo/rust-synacor-challenge/Cargo.toml
[INFO] started frobbing micxjo/rust-synacor-challenge
[INFO] finished frobbing micxjo/rust-synacor-challenge
[INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge/Cargo.toml
[INFO] crate micxjo/rust-synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing micxjo/rust-synacor-challenge against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0403fb8d877128e37b2e8852a6669c4b57726d847ec42a1e30cf6c67754fe5ef
[INFO] running `"docker" "start" "-a" "0403fb8d877128e37b2e8852a6669c4b57726d847ec42a1e30cf6c67754fe5ef"`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "0403fb8d877128e37b2e8852a6669c4b57726d847ec42a1e30cf6c67754fe5ef"`
[INFO] running `"docker" "rm" "-f" "0403fb8d877128e37b2e8852a6669c4b57726d847ec42a1e30cf6c67754fe5ef"`
[INFO] [stdout] 0403fb8d877128e37b2e8852a6669c4b57726d847ec42a1e30cf6c67754fe5ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3f49f7f16ff5a20502cee3c909fe7ccea52dda379ea52b501a94a3cb9d1cfd5
[INFO] running `"docker" "start" "-a" "b3f49f7f16ff5a20502cee3c909fe7ccea52dda379ea52b501a94a3cb9d1cfd5"`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "b3f49f7f16ff5a20502cee3c909fe7ccea52dda379ea52b501a94a3cb9d1cfd5"`
[INFO] running `"docker" "rm" "-f" "b3f49f7f16ff5a20502cee3c909fe7ccea52dda379ea52b501a94a3cb9d1cfd5"`
[INFO] [stdout] b3f49f7f16ff5a20502cee3c909fe7ccea52dda379ea52b501a94a3cb9d1cfd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/micxjo/rust-synacor-challenge:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1e814a58f74dce2c064576e570b57cc727b67433b9ed76b45bb48cbba7064487
[INFO] running `"docker" "start" "-a" "1e814a58f74dce2c064576e570b57cc727b67433b9ed76b45bb48cbba7064487"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synacor-b0c0908d04137353
[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] [stderr]      Running /opt/crater/target/debug/deps/synacor_vm-eb80c108930a09c3
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests synacor
[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 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" "1e814a58f74dce2c064576e570b57cc727b67433b9ed76b45bb48cbba7064487"`
[INFO] running `"docker" "rm" "-f" "1e814a58f74dce2c064576e570b57cc727b67433b9ed76b45bb48cbba7064487"`
[INFO] [stdout] 1e814a58f74dce2c064576e570b57cc727b67433b9ed76b45bb48cbba7064487