[INFO] updating cached repository daboross/auto-from
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/daboross/auto-from
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/daboross/auto-from" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/daboross/auto-from"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/daboross/auto-from'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/daboross/auto-from" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/daboross/auto-from"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/daboross/auto-from'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 056503246317c247d168dda03b886e37dd37b12e
[INFO] sha for GitHub repo daboross/auto-from: 056503246317c247d168dda03b886e37dd37b12e
[INFO] validating manifest of daboross/auto-from on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of daboross/auto-from on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing daboross/auto-from
[INFO] finished frobbing daboross/auto-from
[INFO] frobbed toml for daboross/auto-from written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/daboross/auto-from/Cargo.toml
[INFO] started frobbing daboross/auto-from
[INFO] finished frobbing daboross/auto-from
[INFO] frobbed toml for daboross/auto-from written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/daboross/auto-from/Cargo.toml
[INFO] crate daboross/auto-from already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking daboross/auto-from against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/daboross/auto-from:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99a059546f2de03628a42663d570290056f07eea8fa815921c15b1dc498cda3d
[INFO] running `"docker" "start" "-a" "99a059546f2de03628a42663d570290056f07eea8fa815921c15b1dc498cda3d"`
[INFO] [stderr]     Checking proc-macro2 v0.4.27
[INFO] [stderr]    Compiling auto-from v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]   --> src/lib.rs:14:53
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple,
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let mut method = method.clone();
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unit_type`
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn unit_type() -> Type {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_fn_return_type`
[INFO] [stderr]    --> src/lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]     Checking syn v0.15.26
[INFO] [stderr]     Checking synstructure v0.10.1
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]   --> src/lib.rs:14:53
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple,
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]   --> src/lib.rs:14:53
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple,
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let mut method = method.clone();
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unit_type`
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn unit_type() -> Type {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_fn_return_type`
[INFO] [stderr]    --> src/lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let mut method = method.clone();
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unit_type`
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn unit_type() -> Type {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_fn_return_type`
[INFO] [stderr]    --> src/lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `"docker" "inspect" "99a059546f2de03628a42663d570290056f07eea8fa815921c15b1dc498cda3d"`
[INFO] running `"docker" "rm" "-f" "99a059546f2de03628a42663d570290056f07eea8fa815921c15b1dc498cda3d"`
[INFO] [stdout] 99a059546f2de03628a42663d570290056f07eea8fa815921c15b1dc498cda3d