[INFO] updating cached repository kcexn/hello-net
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kcexn/hello-net
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kcexn/hello-net" "work/ex/beta-1.38-1/sources/1.37.0/gh/kcexn/hello-net"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kcexn/hello-net'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kcexn/hello-net" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcexn/hello-net"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcexn/hello-net'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb8ba70ef5d8680903373d9e218f5219b7dab4ea
[INFO] sha for GitHub repo kcexn/hello-net: bb8ba70ef5d8680903373d9e218f5219b7dab4ea
[INFO] validating manifest of kcexn/hello-net 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 kcexn/hello-net 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 kcexn/hello-net
[INFO] finished frobbing kcexn/hello-net
[INFO] frobbed toml for kcexn/hello-net written to work/ex/beta-1.38-1/sources/1.37.0/gh/kcexn/hello-net/Cargo.toml
[INFO] started frobbing kcexn/hello-net
[INFO] finished frobbing kcexn/hello-net
[INFO] frobbed toml for kcexn/hello-net written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcexn/hello-net/Cargo.toml
[INFO] crate kcexn/hello-net 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 kcexn/hello-net 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/kcexn/hello-net:/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] 31e5ef868890a3b5060503fc1fb9a1c290161bf1ec4eaa27894188f716b31b07
[INFO] running `"docker" "start" "-a" "31e5ef868890a3b5060503fc1fb9a1c290161bf1ec4eaa27894188f716b31b07"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "31e5ef868890a3b5060503fc1fb9a1c290161bf1ec4eaa27894188f716b31b07"`
[INFO] running `"docker" "rm" "-f" "31e5ef868890a3b5060503fc1fb9a1c290161bf1ec4eaa27894188f716b31b07"`
[INFO] [stdout] 31e5ef868890a3b5060503fc1fb9a1c290161bf1ec4eaa27894188f716b31b07
[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/kcexn/hello-net:/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] dc0ebaa51727aa2bef2681b068f68f488ef421d5067d901518017f19245516e4
[INFO] running `"docker" "start" "-a" "dc0ebaa51727aa2bef2681b068f68f488ef421d5067d901518017f19245516e4"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "dc0ebaa51727aa2bef2681b068f68f488ef421d5067d901518017f19245516e4"`
[INFO] running `"docker" "rm" "-f" "dc0ebaa51727aa2bef2681b068f68f488ef421d5067d901518017f19245516e4"`
[INFO] [stdout] dc0ebaa51727aa2bef2681b068f68f488ef421d5067d901518017f19245516e4
[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/kcexn/hello-net:/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] 8534375117b8ef0f0ad7fd8d1e9a9ac9db1495b3c1985bf0f93b1f98a61a8f4a
[INFO] running `"docker" "start" "-a" "8534375117b8ef0f0ad7fd8d1e9a9ac9db1495b3c1985bf0f93b1f98a61a8f4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-5b9dfb37170617c2
[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] [stderr]      Running /opt/crater/target/debug/deps/hello-8ced934abb559909
[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] [stderr]    Doc-tests hello
[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" "8534375117b8ef0f0ad7fd8d1e9a9ac9db1495b3c1985bf0f93b1f98a61a8f4a"`
[INFO] running `"docker" "rm" "-f" "8534375117b8ef0f0ad7fd8d1e9a9ac9db1495b3c1985bf0f93b1f98a61a8f4a"`
[INFO] [stdout] 8534375117b8ef0f0ad7fd8d1e9a9ac9db1495b3c1985bf0f93b1f98a61a8f4a