[INFO] updating cached repository mxtthias/paco
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mxtthias/paco
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mxtthias/paco" "work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mxtthias/paco" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mxtthias/paco"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mxtthias/paco'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb74e6cb1e6cdd02110b22ea17217fd9e9657dbb
[INFO] sha for GitHub repo mxtthias/paco: fb74e6cb1e6cdd02110b22ea17217fd9e9657dbb
[INFO] validating manifest of mxtthias/paco 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 mxtthias/paco 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 mxtthias/paco
[INFO] finished frobbing mxtthias/paco
[INFO] frobbed toml for mxtthias/paco written to work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco/Cargo.toml
[INFO] started frobbing mxtthias/paco
[INFO] finished frobbing mxtthias/paco
[INFO] frobbed toml for mxtthias/paco written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mxtthias/paco/Cargo.toml
[INFO] crate mxtthias/paco 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 mxtthias/paco 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco:/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] 485d13f7afae6141fafbb24313429c4a2225a03d03e474f7f23b4f89a384cbf1
[INFO] running `"docker" "start" "-a" "485d13f7afae6141fafbb24313429c4a2225a03d03e474f7f23b4f89a384cbf1"`
[INFO] [stderr]    Compiling serde v1.0.12
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling structopt-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling csv v1.0.0-beta.4
[INFO] [stderr]    Compiling structopt v0.1.0
[INFO] [stderr]    Compiling paco v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn count(filename: String) -> Result<(), 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 25.45s
[INFO] running `"docker" "inspect" "485d13f7afae6141fafbb24313429c4a2225a03d03e474f7f23b4f89a384cbf1"`
[INFO] running `"docker" "rm" "-f" "485d13f7afae6141fafbb24313429c4a2225a03d03e474f7f23b4f89a384cbf1"`
[INFO] [stdout] 485d13f7afae6141fafbb24313429c4a2225a03d03e474f7f23b4f89a384cbf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco:/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] 05d46d05b305f8bca33a9177fe3426a0246f49d1a572e9e426dd69b3ec0bf936
[INFO] running `"docker" "start" "-a" "05d46d05b305f8bca33a9177fe3426a0246f49d1a572e9e426dd69b3ec0bf936"`
[INFO] [stderr]    Compiling paco v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn count(filename: String) -> Result<(), 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 0.92s
[INFO] running `"docker" "inspect" "05d46d05b305f8bca33a9177fe3426a0246f49d1a572e9e426dd69b3ec0bf936"`
[INFO] running `"docker" "rm" "-f" "05d46d05b305f8bca33a9177fe3426a0246f49d1a572e9e426dd69b3ec0bf936"`
[INFO] [stdout] 05d46d05b305f8bca33a9177fe3426a0246f49d1a572e9e426dd69b3ec0bf936
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mxtthias/paco:/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] dc5a40177eca1aaa3c2cc803c84168412812b5a9d92e8cd241793950b3792b9b
[INFO] running `"docker" "start" "-a" "dc5a40177eca1aaa3c2cc803c84168412812b5a9d92e8cd241793950b3792b9b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/paco-65d95e94bae01d45
[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" "dc5a40177eca1aaa3c2cc803c84168412812b5a9d92e8cd241793950b3792b9b"`
[INFO] running `"docker" "rm" "-f" "dc5a40177eca1aaa3c2cc803c84168412812b5a9d92e8cd241793950b3792b9b"`
[INFO] [stdout] dc5a40177eca1aaa3c2cc803c84168412812b5a9d92e8cd241793950b3792b9b