[INFO] updating cached repository fcsonline/trawler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fcsonline/trawler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fcsonline/trawler" "work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fcsonline/trawler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcsonline/trawler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcsonline/trawler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4360162f2d7a64e0b931dc238e6d00ec359e1ae3
[INFO] sha for GitHub repo fcsonline/trawler: 4360162f2d7a64e0b931dc238e6d00ec359e1ae3
[INFO] validating manifest of fcsonline/trawler 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 fcsonline/trawler 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 fcsonline/trawler
[INFO] finished frobbing fcsonline/trawler
[INFO] frobbed toml for fcsonline/trawler written to work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler/Cargo.toml
[INFO] started frobbing fcsonline/trawler
[INFO] finished frobbing fcsonline/trawler
[INFO] frobbed toml for fcsonline/trawler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fcsonline/trawler/Cargo.toml
[INFO] crate fcsonline/trawler 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 fcsonline/trawler 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler:/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] feeee590c645776578abffeae1f12fd25bcba57252f17acdc6fa9598df7f8046
[INFO] running `"docker" "start" "-a" "feeee590c645776578abffeae1f12fd25bcba57252f17acdc6fa9598df7f8046"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify v4.0.6
[INFO] [stderr]    Compiling trawler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib/catalog.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub steps: HashMap<String, Box<Step>>
[INFO] [stderr]   |                                    ^^^^ help: use `dyn`: `dyn Step`
[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/lib/catalog.rs:13:44
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut steps: HashMap<String, Box<Step>> = HashMap::new();
[INFO] [stderr]    |                                            ^^^^ help: use `dyn`: `dyn Step`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.61s
[INFO] running `"docker" "inspect" "feeee590c645776578abffeae1f12fd25bcba57252f17acdc6fa9598df7f8046"`
[INFO] running `"docker" "rm" "-f" "feeee590c645776578abffeae1f12fd25bcba57252f17acdc6fa9598df7f8046"`
[INFO] [stdout] feeee590c645776578abffeae1f12fd25bcba57252f17acdc6fa9598df7f8046
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler:/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] 49cad612c20ee3893fc9d00ef6de633949a76aea8bf0023c2236bfb9af2573fa
[INFO] running `"docker" "start" "-a" "49cad612c20ee3893fc9d00ef6de633949a76aea8bf0023c2236bfb9af2573fa"`
[INFO] [stderr]    Compiling trawler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib/catalog.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub steps: HashMap<String, Box<Step>>
[INFO] [stderr]   |                                    ^^^^ help: use `dyn`: `dyn Step`
[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/lib/catalog.rs:13:44
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut steps: HashMap<String, Box<Step>> = HashMap::new();
[INFO] [stderr]    |                                            ^^^^ help: use `dyn`: `dyn Step`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "49cad612c20ee3893fc9d00ef6de633949a76aea8bf0023c2236bfb9af2573fa"`
[INFO] running `"docker" "rm" "-f" "49cad612c20ee3893fc9d00ef6de633949a76aea8bf0023c2236bfb9af2573fa"`
[INFO] [stdout] 49cad612c20ee3893fc9d00ef6de633949a76aea8bf0023c2236bfb9af2573fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fcsonline/trawler:/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] 68222acc9c5a5947c40d510c7e16f30c1f64a1277b309e3b5977701e6730cdff
[INFO] running `"docker" "start" "-a" "68222acc9c5a5947c40d510c7e16f30c1f64a1277b309e3b5977701e6730cdff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trawler-b5c32fd8df9e9707
[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" "68222acc9c5a5947c40d510c7e16f30c1f64a1277b309e3b5977701e6730cdff"`
[INFO] running `"docker" "rm" "-f" "68222acc9c5a5947c40d510c7e16f30c1f64a1277b309e3b5977701e6730cdff"`
[INFO] [stdout] 68222acc9c5a5947c40d510c7e16f30c1f64a1277b309e3b5977701e6730cdff