[INFO] updating cached repository michael-robbins/filemerger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michael-robbins/filemerger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-robbins/filemerger" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/michael-robbins/filemerger"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/michael-robbins/filemerger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-robbins/filemerger" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/michael-robbins/filemerger"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/michael-robbins/filemerger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52522b6d3238a3a5fd28fc8d54241660b6cd8397
[INFO] sha for GitHub repo michael-robbins/filemerger: 52522b6d3238a3a5fd28fc8d54241660b6cd8397
[INFO] validating manifest of michael-robbins/filemerger 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 michael-robbins/filemerger 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 michael-robbins/filemerger
[INFO] finished frobbing michael-robbins/filemerger
[INFO] frobbed toml for michael-robbins/filemerger written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/michael-robbins/filemerger/Cargo.toml
[INFO] started frobbing michael-robbins/filemerger
[INFO] finished frobbing michael-robbins/filemerger
[INFO] frobbed toml for michael-robbins/filemerger written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/michael-robbins/filemerger/Cargo.toml
[INFO] crate michael-robbins/filemerger 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] building michael-robbins/filemerger against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/michael-robbins/filemerger:/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] 6c89a97d4fd6386e6a2a38d555808a8dbd3054d04f58ffbfc402d81d75c3bf5f
[INFO] running `"docker" "start" "-a" "6c89a97d4fd6386e6a2a38d555808a8dbd3054d04f58ffbfc402d81d75c3bf5f"`
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `"docker" "inspect" "6c89a97d4fd6386e6a2a38d555808a8dbd3054d04f58ffbfc402d81d75c3bf5f"`
[INFO] running `"docker" "rm" "-f" "6c89a97d4fd6386e6a2a38d555808a8dbd3054d04f58ffbfc402d81d75c3bf5f"`
[INFO] [stdout] 6c89a97d4fd6386e6a2a38d555808a8dbd3054d04f58ffbfc402d81d75c3bf5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/michael-robbins/filemerger:/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] b8f9c517a3be36259d7686fc16a8665ba26f35a47faeb7bb006583482ab17da7
[INFO] running `"docker" "start" "-a" "b8f9c517a3be36259d7686fc16a8665ba26f35a47faeb7bb006583482ab17da7"`
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `"docker" "inspect" "b8f9c517a3be36259d7686fc16a8665ba26f35a47faeb7bb006583482ab17da7"`
[INFO] running `"docker" "rm" "-f" "b8f9c517a3be36259d7686fc16a8665ba26f35a47faeb7bb006583482ab17da7"`
[INFO] [stdout] b8f9c517a3be36259d7686fc16a8665ba26f35a47faeb7bb006583482ab17da7