[INFO] updating cached repository scottlamb/mylog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottlamb/mylog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottlamb/mylog" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/scottlamb/mylog"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/scottlamb/mylog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottlamb/mylog" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/scottlamb/mylog"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/scottlamb/mylog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 669e63f4d1debc0c1648a2399b14a4ac73c3a86b
[INFO] sha for GitHub repo scottlamb/mylog: 669e63f4d1debc0c1648a2399b14a4ac73c3a86b
[INFO] validating manifest of scottlamb/mylog on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottlamb/mylog on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scottlamb/mylog
[INFO] finished frobbing scottlamb/mylog
[INFO] frobbed toml for scottlamb/mylog written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/scottlamb/mylog/Cargo.toml
[INFO] started frobbing scottlamb/mylog
[INFO] finished frobbing scottlamb/mylog
[INFO] frobbed toml for scottlamb/mylog written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/scottlamb/mylog/Cargo.toml
[INFO] crate scottlamb/mylog already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scottlamb/mylog against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/scottlamb/mylog:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f079fe2bbf7b9c659b9bcc0653ddab4fe10a3e97741dd9332b58c39e245197e
[INFO] running `"docker" "start" "-a" "4f079fe2bbf7b9c659b9bcc0653ddab4fe10a3e97741dd9332b58c39e245197e"`
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking mylog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:51
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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:176:70
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:51
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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:176:70
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `"docker" "inspect" "4f079fe2bbf7b9c659b9bcc0653ddab4fe10a3e97741dd9332b58c39e245197e"`
[INFO] running `"docker" "rm" "-f" "4f079fe2bbf7b9c659b9bcc0653ddab4fe10a3e97741dd9332b58c39e245197e"`
[INFO] [stdout] 4f079fe2bbf7b9c659b9bcc0653ddab4fe10a3e97741dd9332b58c39e245197e