[INFO] updating cached repository jaemk/rust_error_log_trait
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaemk/rust_error_log_trait
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaemk/rust_error_log_trait" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaemk/rust_error_log_trait" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaemk/rust_error_log_trait"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaemk/rust_error_log_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90b071ac25b4f999b02955dfd84e27dfe2642590
[INFO] sha for GitHub repo jaemk/rust_error_log_trait: 90b071ac25b4f999b02955dfd84e27dfe2642590
[INFO] validating manifest of jaemk/rust_error_log_trait on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jaemk/rust_error_log_trait on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jaemk/rust_error_log_trait
[INFO] finished frobbing jaemk/rust_error_log_trait
[INFO] frobbed toml for jaemk/rust_error_log_trait written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait/Cargo.toml
[INFO] started frobbing jaemk/rust_error_log_trait
[INFO] finished frobbing jaemk/rust_error_log_trait
[INFO] frobbed toml for jaemk/rust_error_log_trait written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaemk/rust_error_log_trait/Cargo.toml
[INFO] crate jaemk/rust_error_log_trait has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jaemk/rust_error_log_trait against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 16522ed4a7ee9f980f90a7bf736854cd0eacb12e492c96cb508556692bf7bbbd
[INFO] running `"docker" "start" "-a" "16522ed4a7ee9f980f90a7bf736854cd0eacb12e492c96cb508556692bf7bbbd"`
[INFO] [stderr]    Compiling serde v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling error_log_trait v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `"docker" "inspect" "16522ed4a7ee9f980f90a7bf736854cd0eacb12e492c96cb508556692bf7bbbd"`
[INFO] running `"docker" "rm" "-f" "16522ed4a7ee9f980f90a7bf736854cd0eacb12e492c96cb508556692bf7bbbd"`
[INFO] [stdout] 16522ed4a7ee9f980f90a7bf736854cd0eacb12e492c96cb508556692bf7bbbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a004fbcf86ec35b26c501f13aea8f5ce7cefa1c2593a18f063ba915a637c381
[INFO] running `"docker" "start" "-a" "0a004fbcf86ec35b26c501f13aea8f5ce7cefa1c2593a18f063ba915a637c381"`
[INFO] [stderr]    Compiling error_log_trait v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "0a004fbcf86ec35b26c501f13aea8f5ce7cefa1c2593a18f063ba915a637c381"`
[INFO] running `"docker" "rm" "-f" "0a004fbcf86ec35b26c501f13aea8f5ce7cefa1c2593a18f063ba915a637c381"`
[INFO] [stdout] 0a004fbcf86ec35b26c501f13aea8f5ce7cefa1c2593a18f063ba915a637c381
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaemk/rust_error_log_trait:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c3d6b4fd3992b2d1532d19770688ebc31d659136dcb3c0069d999ac321b21b4e
[INFO] running `"docker" "start" "-a" "c3d6b4fd3992b2d1532d19770688ebc31d659136dcb3c0069d999ac321b21b4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/error_log_trait-9bec205401e43b4f
[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" "c3d6b4fd3992b2d1532d19770688ebc31d659136dcb3c0069d999ac321b21b4e"`
[INFO] running `"docker" "rm" "-f" "c3d6b4fd3992b2d1532d19770688ebc31d659136dcb3c0069d999ac321b21b4e"`
[INFO] [stdout] c3d6b4fd3992b2d1532d19770688ebc31d659136dcb3c0069d999ac321b21b4e