[INFO] updating cached repository fcostin/go_vs_rust_json_deserialise
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fcostin/go_vs_rust_json_deserialise
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fcostin/go_vs_rust_json_deserialise" "work/ex/beta-1.38-1/sources/1.37.0/gh/fcostin/go_vs_rust_json_deserialise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fcostin/go_vs_rust_json_deserialise'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fcostin/go_vs_rust_json_deserialise" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcostin/go_vs_rust_json_deserialise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcostin/go_vs_rust_json_deserialise'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 843dd1a0ee96619796476586e2966a281d7f0100
[INFO] sha for GitHub repo fcostin/go_vs_rust_json_deserialise: 843dd1a0ee96619796476586e2966a281d7f0100
[INFO] validating manifest of fcostin/go_vs_rust_json_deserialise 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 fcostin/go_vs_rust_json_deserialise 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 fcostin/go_vs_rust_json_deserialise
[INFO] finished frobbing fcostin/go_vs_rust_json_deserialise
[INFO] frobbed toml for fcostin/go_vs_rust_json_deserialise written to work/ex/beta-1.38-1/sources/1.37.0/gh/fcostin/go_vs_rust_json_deserialise/Cargo.toml
[INFO] started frobbing fcostin/go_vs_rust_json_deserialise
[INFO] finished frobbing fcostin/go_vs_rust_json_deserialise
[INFO] frobbed toml for fcostin/go_vs_rust_json_deserialise written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcostin/go_vs_rust_json_deserialise/Cargo.toml
[INFO] crate fcostin/go_vs_rust_json_deserialise 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 fcostin/go_vs_rust_json_deserialise 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-2/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/fcostin/go_vs_rust_json_deserialise:/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] a9fd2cd4034725f35fb3a88a3316ba60ef098fd018024695ee7cb64c47f1b11e
[INFO] running `"docker" "start" "-a" "a9fd2cd4034725f35fb3a88a3316ba60ef098fd018024695ee7cb64c47f1b11e"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling golang_json_deserialisation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.31s
[INFO] running `"docker" "inspect" "a9fd2cd4034725f35fb3a88a3316ba60ef098fd018024695ee7cb64c47f1b11e"`
[INFO] running `"docker" "rm" "-f" "a9fd2cd4034725f35fb3a88a3316ba60ef098fd018024695ee7cb64c47f1b11e"`
[INFO] [stdout] a9fd2cd4034725f35fb3a88a3316ba60ef098fd018024695ee7cb64c47f1b11e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/fcostin/go_vs_rust_json_deserialise:/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] 0e27f14382c742dd18f45eac5faed77e2aeca2f8ec672b52c1758446789ee5ea
[INFO] running `"docker" "start" "-a" "0e27f14382c742dd18f45eac5faed77e2aeca2f8ec672b52c1758446789ee5ea"`
[INFO] [stderr]    Compiling golang_json_deserialisation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "0e27f14382c742dd18f45eac5faed77e2aeca2f8ec672b52c1758446789ee5ea"`
[INFO] running `"docker" "rm" "-f" "0e27f14382c742dd18f45eac5faed77e2aeca2f8ec672b52c1758446789ee5ea"`
[INFO] [stdout] 0e27f14382c742dd18f45eac5faed77e2aeca2f8ec672b52c1758446789ee5ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/fcostin/go_vs_rust_json_deserialise:/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] de18ccad5fe594f27bfe824924f77bd96889fc68e6bd0b15a20ba2280dc63b04
[INFO] running `"docker" "start" "-a" "de18ccad5fe594f27bfe824924f77bd96889fc68e6bd0b15a20ba2280dc63b04"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/golang_json_deserialisation-29a9feeedf64d638
[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" "de18ccad5fe594f27bfe824924f77bd96889fc68e6bd0b15a20ba2280dc63b04"`
[INFO] running `"docker" "rm" "-f" "de18ccad5fe594f27bfe824924f77bd96889fc68e6bd0b15a20ba2280dc63b04"`
[INFO] [stdout] de18ccad5fe594f27bfe824924f77bd96889fc68e6bd0b15a20ba2280dc63b04