[INFO] updating cached repository azu/license-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/azu/license-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/azu/license-generator" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/azu/license-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/azu/license-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/azu/license-generator" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/azu/license-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/azu/license-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c1080fd28ac739e2cb53c060d65ec101e0710ae
[INFO] sha for GitHub repo azu/license-generator: 0c1080fd28ac739e2cb53c060d65ec101e0710ae
[INFO] validating manifest of azu/license-generator on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of azu/license-generator on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing azu/license-generator
[INFO] finished frobbing azu/license-generator
[INFO] frobbed toml for azu/license-generator written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/azu/license-generator/Cargo.toml
[INFO] started frobbing azu/license-generator
[INFO] finished frobbing azu/license-generator
[INFO] frobbed toml for azu/license-generator written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/azu/license-generator/Cargo.toml
[INFO] crate azu/license-generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking azu/license-generator against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/azu/license-generator:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6dad9536f674cd45e388815f866f89804023be6b2525ba9c79e3f934f9437da
[INFO] running `"docker" "start" "-a" "b6dad9536f674cd45e388815f866f89804023be6b2525ba9c79e3f934f9437da"`
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking license-generator v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn create_license(license_type: &str) -> Option<Box<license::License>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn license::License`
[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.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn create_license(license_type: &str) -> Option<Box<license::License>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn license::License`
[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/main.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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]   --> src/main.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.25s
[INFO] running `"docker" "inspect" "b6dad9536f674cd45e388815f866f89804023be6b2525ba9c79e3f934f9437da"`
[INFO] running `"docker" "rm" "-f" "b6dad9536f674cd45e388815f866f89804023be6b2525ba9c79e3f934f9437da"`
[INFO] [stdout] b6dad9536f674cd45e388815f866f89804023be6b2525ba9c79e3f934f9437da