[INFO] crate sbg 0.0.2 is already in cache
[INFO] extracting crate sbg 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/sbg/0.0.2
[INFO] extracting crate sbg 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sbg/0.0.2
[INFO] validating manifest of sbg-0.0.2 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 sbg-0.0.2 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 sbg-0.0.2
[INFO] finished frobbing sbg-0.0.2
[INFO] frobbed toml for sbg-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sbg/0.0.2/Cargo.toml
[INFO] started frobbing sbg-0.0.2
[INFO] finished frobbing sbg-0.0.2
[INFO] frobbed toml for sbg-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sbg/0.0.2/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 sbg-0.0.2 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sbg/0.0.2:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7f11c96da479f22f2228609b6f6bc7d63c74e1d5280c6a0c8fd3853e87b422d2
[INFO] running `"docker" "start" "-a" "7f11c96da479f22f2228609b6f6bc7d63c74e1d5280c6a0c8fd3853e87b422d2"`
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling sbg v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn run() -> 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 51.27s
[INFO] running `"docker" "inspect" "7f11c96da479f22f2228609b6f6bc7d63c74e1d5280c6a0c8fd3853e87b422d2"`
[INFO] running `"docker" "rm" "-f" "7f11c96da479f22f2228609b6f6bc7d63c74e1d5280c6a0c8fd3853e87b422d2"`
[INFO] [stdout] 7f11c96da479f22f2228609b6f6bc7d63c74e1d5280c6a0c8fd3853e87b422d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sbg/0.0.2:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 10a37f723bc12785f8d913b7fa4ea4e8fb72110d11283db521de3d1f0448db30
[INFO] running `"docker" "start" "-a" "10a37f723bc12785f8d913b7fa4ea4e8fb72110d11283db521de3d1f0448db30"`
[INFO] [stderr]    Compiling sbg v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `url`
[INFO] [stderr]  --> examples/main_impl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use url::Url;
[INFO] [stderr]   |     ^^^ maybe a missing crate `url`?
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/main_impl.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | ) -> 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `main_impl`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `examples/main_impl.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0601.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `sbg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/main_impl.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | ) -> 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main_impl.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/main.rs:54:28
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_arg`
[INFO] [stderr]   --> examples/main_impl.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     some_arg: String,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_some_arg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_other_arg`
[INFO] [stderr]   --> examples/main_impl.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     some_other_arg: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_some_other_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_arg`
[INFO] [stderr]   --> examples/main_impl.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     some_arg: String,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_some_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_other_arg`
[INFO] [stderr]   --> examples/main_impl.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     some_other_arg: Url,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_some_other_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn run() -> 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] error: build failed
[INFO] running `"docker" "inspect" "10a37f723bc12785f8d913b7fa4ea4e8fb72110d11283db521de3d1f0448db30"`
[INFO] running `"docker" "rm" "-f" "10a37f723bc12785f8d913b7fa4ea4e8fb72110d11283db521de3d1f0448db30"`
[INFO] [stdout] 10a37f723bc12785f8d913b7fa4ea4e8fb72110d11283db521de3d1f0448db30