[INFO] crate csv_to_json 1.0.2 is already in cache
[INFO] extracting crate csv_to_json 1.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/csv_to_json/1.0.2
[INFO] extracting crate csv_to_json 1.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/csv_to_json/1.0.2
[INFO] validating manifest of csv_to_json-1.0.2 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 csv_to_json-1.0.2 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 csv_to_json-1.0.2
[INFO] finished frobbing csv_to_json-1.0.2
[INFO] frobbed toml for csv_to_json-1.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/csv_to_json/1.0.2/Cargo.toml
[INFO] started frobbing csv_to_json-1.0.2
[INFO] finished frobbing csv_to_json-1.0.2
[INFO] frobbed toml for csv_to_json-1.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/csv_to_json/1.0.2/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 csv_to_json-1.0.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/csv_to_json/1.0.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a32fed8db99acab92cc0adc27961b74b0f32ceba642e4dd8e1d16e0bc8ed8b9f
[INFO] running `"docker" "start" "-a" "a32fed8db99acab92cc0adc27961b74b0f32ceba642e4dd8e1d16e0bc8ed8b9f"`
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling csv_to_json v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:65
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stderr]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |       Ok(Box::new(file) as Box<Read>)
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "a32fed8db99acab92cc0adc27961b74b0f32ceba642e4dd8e1d16e0bc8ed8b9f"`
[INFO] running `"docker" "rm" "-f" "a32fed8db99acab92cc0adc27961b74b0f32ceba642e4dd8e1d16e0bc8ed8b9f"`
[INFO] [stdout] a32fed8db99acab92cc0adc27961b74b0f32ceba642e4dd8e1d16e0bc8ed8b9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/csv_to_json/1.0.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb8f500536928356fbfa1e456105da823c929f42d206462f6bb316eb953fff91
[INFO] running `"docker" "start" "-a" "bb8f500536928356fbfa1e456105da823c929f42d206462f6bb316eb953fff91"`
[INFO] [stderr]    Compiling csv_to_json v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:65
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stderr]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |       Ok(Box::new(file) as Box<Read>)
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "bb8f500536928356fbfa1e456105da823c929f42d206462f6bb316eb953fff91"`
[INFO] running `"docker" "rm" "-f" "bb8f500536928356fbfa1e456105da823c929f42d206462f6bb316eb953fff91"`
[INFO] [stdout] bb8f500536928356fbfa1e456105da823c929f42d206462f6bb316eb953fff91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/csv_to_json/1.0.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4e68fa6c698d1e7caca189d59e85c56185b9947425f99cd72060999e5d3e8d61
[INFO] running `"docker" "start" "-a" "4e68fa6c698d1e7caca189d59e85c56185b9947425f99cd72060999e5d3e8d61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/csv_to_json-c5e30e91e126a1f4
[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" "4e68fa6c698d1e7caca189d59e85c56185b9947425f99cd72060999e5d3e8d61"`
[INFO] running `"docker" "rm" "-f" "4e68fa6c698d1e7caca189d59e85c56185b9947425f99cd72060999e5d3e8d61"`
[INFO] [stdout] 4e68fa6c698d1e7caca189d59e85c56185b9947425f99cd72060999e5d3e8d61