[INFO] cloning repository fcostin/go_vs_rust_json_deserialise
[INFO] running `"git" "clone" "--bare" "git://github.com/fcostin/go_vs_rust_json_deserialise.git" "work/cache/sources/gh/fcostin/go_vs_rust_json_deserialise"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/fcostin/go_vs_rust_json_deserialise'...
[INFO] running `"git" "clone" "work/cache/sources/gh/fcostin/go_vs_rust_json_deserialise" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fcostin/go_vs_rust_json_deserialise"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fcostin/go_vs_rust_json_deserialise"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fcostin/go_vs_rust_json_deserialise on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing fcostin/go_vs_rust_json_deserialise against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] e280dfa5b2b0091632b543e988cb8e66602ca24fe7b2e20f0c9d4f90dd617f09
[INFO] running `"docker" "start" "-a" "e280dfa5b2b0091632b543e988cb8e66602ca24fe7b2e20f0c9d4f90dd617f09"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling serde_json v1.0.36
[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 golang_json_deserialisation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.80s
[INFO] running `"docker" "inspect" "e280dfa5b2b0091632b543e988cb8e66602ca24fe7b2e20f0c9d4f90dd617f09"`
[INFO] running `"docker" "rm" "-f" "e280dfa5b2b0091632b543e988cb8e66602ca24fe7b2e20f0c9d4f90dd617f09"`
[INFO] [stdout] e280dfa5b2b0091632b543e988cb8e66602ca24fe7b2e20f0c9d4f90dd617f09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed63f9d760e4c97e13cc4273b62dfd829f43b6a9650bf56881045ad2dab89c46
[INFO] running `"docker" "start" "-a" "ed63f9d760e4c97e13cc4273b62dfd829f43b6a9650bf56881045ad2dab89c46"`
[INFO] [stderr]    Compiling golang_json_deserialisation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "ed63f9d760e4c97e13cc4273b62dfd829f43b6a9650bf56881045ad2dab89c46"`
[INFO] running `"docker" "rm" "-f" "ed63f9d760e4c97e13cc4273b62dfd829f43b6a9650bf56881045ad2dab89c46"`
[INFO] [stdout] ed63f9d760e4c97e13cc4273b62dfd829f43b6a9650bf56881045ad2dab89c46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] ac562f3946f6efa9d2090bf28a3b3b1aa4f1fd5ec5a24b72d82d1752b1d6f376
[INFO] running `"docker" "start" "-a" "ac562f3946f6efa9d2090bf28a3b3b1aa4f1fd5ec5a24b72d82d1752b1d6f376"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/golang_json_deserialisation-b1ed1f7144b99ebe
[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" "ac562f3946f6efa9d2090bf28a3b3b1aa4f1fd5ec5a24b72d82d1752b1d6f376"`
[INFO] running `"docker" "rm" "-f" "ac562f3946f6efa9d2090bf28a3b3b1aa4f1fd5ec5a24b72d82d1752b1d6f376"`
[INFO] [stdout] ac562f3946f6efa9d2090bf28a3b3b1aa4f1fd5ec5a24b72d82d1752b1d6f376