[INFO] crate json5-to-json 0.1.2 is already in cache
[INFO] extracting crate json5-to-json 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/json5-to-json/0.1.2
[INFO] extracting crate json5-to-json 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json5-to-json/0.1.2
[INFO] validating manifest of json5-to-json-0.1.2 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 json5-to-json-0.1.2 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 json5-to-json-0.1.2
[INFO] finished frobbing json5-to-json-0.1.2
[INFO] frobbed toml for json5-to-json-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/json5-to-json/0.1.2/Cargo.toml
[INFO] started frobbing json5-to-json-0.1.2
[INFO] finished frobbing json5-to-json-0.1.2
[INFO] frobbed toml for json5-to-json-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json5-to-json/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 json5-to-json-0.1.2 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json5-to-json/0.1.2:/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] 43c88cba7ca5b7a7f4892d8691312458641673784bcbbc0885a0cd6ad25cda70
[INFO] running `"docker" "start" "-a" "43c88cba7ca5b7a7f4892d8691312458641673784bcbbc0885a0cd6ad25cda70"`
[INFO] [stderr]    Compiling json5 v0.2.5
[INFO] [stderr]    Compiling json5-to-json v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn run() -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "43c88cba7ca5b7a7f4892d8691312458641673784bcbbc0885a0cd6ad25cda70"`
[INFO] running `"docker" "rm" "-f" "43c88cba7ca5b7a7f4892d8691312458641673784bcbbc0885a0cd6ad25cda70"`
[INFO] [stdout] 43c88cba7ca5b7a7f4892d8691312458641673784bcbbc0885a0cd6ad25cda70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json5-to-json/0.1.2:/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] 467780a2679972d89d114223cb2b509ba6a52bd0cb20ebf94f48ab3088a13bef
[INFO] running `"docker" "start" "-a" "467780a2679972d89d114223cb2b509ba6a52bd0cb20ebf94f48ab3088a13bef"`
[INFO] [stderr]    Compiling json5-to-json v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn run() -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "467780a2679972d89d114223cb2b509ba6a52bd0cb20ebf94f48ab3088a13bef"`
[INFO] running `"docker" "rm" "-f" "467780a2679972d89d114223cb2b509ba6a52bd0cb20ebf94f48ab3088a13bef"`
[INFO] [stdout] 467780a2679972d89d114223cb2b509ba6a52bd0cb20ebf94f48ab3088a13bef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json5-to-json/0.1.2:/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] 9fe5779adfce0aec1cbb55bf97f99470132fbfeaf1c2e443f6c8f534614d2d6d
[INFO] running `"docker" "start" "-a" "9fe5779adfce0aec1cbb55bf97f99470132fbfeaf1c2e443f6c8f534614d2d6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json5_to_json-53b05068d680b205
[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" "9fe5779adfce0aec1cbb55bf97f99470132fbfeaf1c2e443f6c8f534614d2d6d"`
[INFO] running `"docker" "rm" "-f" "9fe5779adfce0aec1cbb55bf97f99470132fbfeaf1c2e443f6c8f534614d2d6d"`
[INFO] [stdout] 9fe5779adfce0aec1cbb55bf97f99470132fbfeaf1c2e443f6c8f534614d2d6d