[INFO] cloning repository wmww/rust_json_parser
[INFO] running `"git" "clone" "--bare" "git://github.com/wmww/rust_json_parser.git" "work/cache/sources/gh/wmww/rust_json_parser"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wmww/rust_json_parser'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/rust_json_parser" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wmww/rust_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wmww/rust_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/rust_json_parser" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c892f3345f10abd9dd9426e42976cead9ef96fe5
[INFO] sha for GitHub repo wmww/rust_json_parser: c892f3345f10abd9dd9426e42976cead9ef96fe5
[INFO] validating manifest of wmww/rust_json_parser 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 wmww/rust_json_parser 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 wmww/rust_json_parser
[INFO] finished frobbing wmww/rust_json_parser
[INFO] frobbed toml for wmww/rust_json_parser written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wmww/rust_json_parser/Cargo.toml
[INFO] started frobbing wmww/rust_json_parser
[INFO] finished frobbing wmww/rust_json_parser
[INFO] frobbed toml for wmww/rust_json_parser written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser/Cargo.toml
[INFO] crate wmww/rust_json_parser 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] [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 wmww/rust_json_parser against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 6dacec67c38a53498c818c318d20e6b0ca8cbd47467d1da6c6d6470deefebab2
[INFO] running `"docker" "start" "-a" "6dacec67c38a53498c818c318d20e6b0ca8cbd47467d1da6c6d6470deefebab2"`
[INFO] [stderr]    Compiling json_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "6dacec67c38a53498c818c318d20e6b0ca8cbd47467d1da6c6d6470deefebab2"`
[INFO] running `"docker" "rm" "-f" "6dacec67c38a53498c818c318d20e6b0ca8cbd47467d1da6c6d6470deefebab2"`
[INFO] [stdout] 6dacec67c38a53498c818c318d20e6b0ca8cbd47467d1da6c6d6470deefebab2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5ba60e04485fd87265d9b9ae3fda3c6082f5f8ff690f3754b44a376381af9c3c
[INFO] running `"docker" "start" "-a" "5ba60e04485fd87265d9b9ae3fda3c6082f5f8ff690f3754b44a376381af9c3c"`
[INFO] [stderr]    Compiling json_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "5ba60e04485fd87265d9b9ae3fda3c6082f5f8ff690f3754b44a376381af9c3c"`
[INFO] running `"docker" "rm" "-f" "5ba60e04485fd87265d9b9ae3fda3c6082f5f8ff690f3754b44a376381af9c3c"`
[INFO] [stdout] 5ba60e04485fd87265d9b9ae3fda3c6082f5f8ff690f3754b44a376381af9c3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wmww/rust_json_parser:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 57017ebecf7069e261184900681ca390295afc832e062f502fa965fa83a0361e
[INFO] running `"docker" "start" "-a" "57017ebecf7069e261184900681ca390295afc832e062f502fa965fa83a0361e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_rust-2caeb2c2aaaf9122
[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" "57017ebecf7069e261184900681ca390295afc832e062f502fa965fa83a0361e"`
[INFO] running `"docker" "rm" "-f" "57017ebecf7069e261184900681ca390295afc832e062f502fa965fa83a0361e"`
[INFO] [stdout] 57017ebecf7069e261184900681ca390295afc832e062f502fa965fa83a0361e