[INFO] updating cached repository remexre/cbor2json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/remexre/cbor2json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/remexre/cbor2json" "work/ex/beta-1.38-1/sources/1.37.0/gh/remexre/cbor2json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/remexre/cbor2json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/remexre/cbor2json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/remexre/cbor2json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/remexre/cbor2json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab466f8a67c09ba7dd56b864075cd4f87e1c5205
[INFO] sha for GitHub repo remexre/cbor2json: ab466f8a67c09ba7dd56b864075cd4f87e1c5205
[INFO] validating manifest of remexre/cbor2json 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 remexre/cbor2json 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 remexre/cbor2json
[INFO] finished frobbing remexre/cbor2json
[INFO] frobbed toml for remexre/cbor2json written to work/ex/beta-1.38-1/sources/1.37.0/gh/remexre/cbor2json/Cargo.toml
[INFO] started frobbing remexre/cbor2json
[INFO] finished frobbing remexre/cbor2json
[INFO] frobbed toml for remexre/cbor2json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/remexre/cbor2json/Cargo.toml
[INFO] crate remexre/cbor2json 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 remexre/cbor2json 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-1/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/remexre/cbor2json:/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] d6a506b6c6fb4850132fcfb4f492b6acf89dac19acfdd2c3462b212a7b1e4dbb
[INFO] running `"docker" "start" "-a" "d6a506b6c6fb4850132fcfb4f492b6acf89dac19acfdd2c3462b212a7b1e4dbb"`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling cbor2json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.92s
[INFO] running `"docker" "inspect" "d6a506b6c6fb4850132fcfb4f492b6acf89dac19acfdd2c3462b212a7b1e4dbb"`
[INFO] running `"docker" "rm" "-f" "d6a506b6c6fb4850132fcfb4f492b6acf89dac19acfdd2c3462b212a7b1e4dbb"`
[INFO] [stdout] d6a506b6c6fb4850132fcfb4f492b6acf89dac19acfdd2c3462b212a7b1e4dbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/remexre/cbor2json:/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] 89869984f6ea494272351303521604b6acd1300599409fb5d40cc94c76b43faf
[INFO] running `"docker" "start" "-a" "89869984f6ea494272351303521604b6acd1300599409fb5d40cc94c76b43faf"`
[INFO] [stderr]    Compiling cbor2json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "89869984f6ea494272351303521604b6acd1300599409fb5d40cc94c76b43faf"`
[INFO] running `"docker" "rm" "-f" "89869984f6ea494272351303521604b6acd1300599409fb5d40cc94c76b43faf"`
[INFO] [stdout] 89869984f6ea494272351303521604b6acd1300599409fb5d40cc94c76b43faf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/remexre/cbor2json:/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] 0842f5a41ee4ae871169bf642671cc9d763e14d2ed11252b22ba57d0b66ff724
[INFO] running `"docker" "start" "-a" "0842f5a41ee4ae871169bf642671cc9d763e14d2ed11252b22ba57d0b66ff724"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cbor2json-f67fa90f0a93f97f
[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" "0842f5a41ee4ae871169bf642671cc9d763e14d2ed11252b22ba57d0b66ff724"`
[INFO] running `"docker" "rm" "-f" "0842f5a41ee4ae871169bf642671cc9d763e14d2ed11252b22ba57d0b66ff724"`
[INFO] [stdout] 0842f5a41ee4ae871169bf642671cc9d763e14d2ed11252b22ba57d0b66ff724