[INFO] updating cached repository bolknote/checkzero
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bolknote/checkzero
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bolknote/checkzero" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bolknote/checkzero"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bolknote/checkzero'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bolknote/checkzero" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf97c1957845680734219134a9ead64153401216
[INFO] sha for GitHub repo bolknote/checkzero: cf97c1957845680734219134a9ead64153401216
[INFO] validating manifest of bolknote/checkzero 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 bolknote/checkzero 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 bolknote/checkzero
[INFO] finished frobbing bolknote/checkzero
[INFO] frobbed toml for bolknote/checkzero written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bolknote/checkzero/Cargo.toml
[INFO] started frobbing bolknote/checkzero
[INFO] finished frobbing bolknote/checkzero
[INFO] frobbed toml for bolknote/checkzero written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero/Cargo.toml
[INFO] crate bolknote/checkzero 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 bolknote/checkzero against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] f6f6c17f7f53ad180b7b3f02fba36a9c81fefba8da99d8c9932321bc29ed6e9d
[INFO] running `"docker" "start" "-a" "f6f6c17f7f53ad180b7b3f02fba36a9c81fefba8da99d8c9932321bc29ed6e9d"`
[INFO] [stderr]    Compiling zerochecker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "f6f6c17f7f53ad180b7b3f02fba36a9c81fefba8da99d8c9932321bc29ed6e9d"`
[INFO] running `"docker" "rm" "-f" "f6f6c17f7f53ad180b7b3f02fba36a9c81fefba8da99d8c9932321bc29ed6e9d"`
[INFO] [stdout] f6f6c17f7f53ad180b7b3f02fba36a9c81fefba8da99d8c9932321bc29ed6e9d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd44d86a6ed9fe5be09bfb93eb528c7f61e4ecdb820a17c0bbff6e7ef0715aa5
[INFO] running `"docker" "start" "-a" "bd44d86a6ed9fe5be09bfb93eb528c7f61e4ecdb820a17c0bbff6e7ef0715aa5"`
[INFO] [stderr]    Compiling zerochecker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "bd44d86a6ed9fe5be09bfb93eb528c7f61e4ecdb820a17c0bbff6e7ef0715aa5"`
[INFO] running `"docker" "rm" "-f" "bd44d86a6ed9fe5be09bfb93eb528c7f61e4ecdb820a17c0bbff6e7ef0715aa5"`
[INFO] [stdout] bd44d86a6ed9fe5be09bfb93eb528c7f61e4ecdb820a17c0bbff6e7ef0715aa5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bolknote/checkzero:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 8a8a1efff26fa7ad589291d13acbf428fb09ddcd27a429fc8bf81a6579ed49cf
[INFO] running `"docker" "start" "-a" "8a8a1efff26fa7ad589291d13acbf428fb09ddcd27a429fc8bf81a6579ed49cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zerochecker-b93f6f74fabdd4e6
[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" "8a8a1efff26fa7ad589291d13acbf428fb09ddcd27a429fc8bf81a6579ed49cf"`
[INFO] running `"docker" "rm" "-f" "8a8a1efff26fa7ad589291d13acbf428fb09ddcd27a429fc8bf81a6579ed49cf"`
[INFO] [stdout] 8a8a1efff26fa7ad589291d13acbf428fb09ddcd27a429fc8bf81a6579ed49cf