[INFO] updating cached repository shmutalov/growingtree-maze
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shmutalov/growingtree-maze
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shmutalov/growingtree-maze" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/shmutalov/growingtree-maze"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/shmutalov/growingtree-maze'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shmutalov/growingtree-maze" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/shmutalov/growingtree-maze"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/shmutalov/growingtree-maze'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52d79d954b1aaf81899d599e1452d4428547cc0a
[INFO] sha for GitHub repo shmutalov/growingtree-maze: 52d79d954b1aaf81899d599e1452d4428547cc0a
[INFO] validating manifest of shmutalov/growingtree-maze 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 shmutalov/growingtree-maze 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 shmutalov/growingtree-maze
[INFO] finished frobbing shmutalov/growingtree-maze
[INFO] frobbed toml for shmutalov/growingtree-maze written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/shmutalov/growingtree-maze/Cargo.toml
[INFO] started frobbing shmutalov/growingtree-maze
[INFO] finished frobbing shmutalov/growingtree-maze
[INFO] frobbed toml for shmutalov/growingtree-maze written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/shmutalov/growingtree-maze/Cargo.toml
[INFO] crate shmutalov/growingtree-maze 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 shmutalov/growingtree-maze 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/shmutalov/growingtree-maze:/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] 0c9fbffcd2bb3d8a0eab9166cc954ae5f09222f78fed9d65be98973df35dd22f
[INFO] running `"docker" "start" "-a" "0c9fbffcd2bb3d8a0eab9166cc954ae5f09222f78fed9d65be98973df35dd22f"`
[INFO] [stderr]    Compiling growingtree-maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "0c9fbffcd2bb3d8a0eab9166cc954ae5f09222f78fed9d65be98973df35dd22f"`
[INFO] running `"docker" "rm" "-f" "0c9fbffcd2bb3d8a0eab9166cc954ae5f09222f78fed9d65be98973df35dd22f"`
[INFO] [stdout] 0c9fbffcd2bb3d8a0eab9166cc954ae5f09222f78fed9d65be98973df35dd22f
[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/shmutalov/growingtree-maze:/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] c65b6a60f96cdb95f3c02877efbe05c1c6dc6aa658e8a09207e51f0cd37525b6
[INFO] running `"docker" "start" "-a" "c65b6a60f96cdb95f3c02877efbe05c1c6dc6aa658e8a09207e51f0cd37525b6"`
[INFO] [stderr]    Compiling growingtree-maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "c65b6a60f96cdb95f3c02877efbe05c1c6dc6aa658e8a09207e51f0cd37525b6"`
[INFO] running `"docker" "rm" "-f" "c65b6a60f96cdb95f3c02877efbe05c1c6dc6aa658e8a09207e51f0cd37525b6"`
[INFO] [stdout] c65b6a60f96cdb95f3c02877efbe05c1c6dc6aa658e8a09207e51f0cd37525b6
[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/shmutalov/growingtree-maze:/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] c5910851b246f7e5e632d733c39063b0a69f58c360320c284621197ab8e1fb2d
[INFO] running `"docker" "start" "-a" "c5910851b246f7e5e632d733c39063b0a69f58c360320c284621197ab8e1fb2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/growingtree_maze-021d340769e396f6
[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" "c5910851b246f7e5e632d733c39063b0a69f58c360320c284621197ab8e1fb2d"`
[INFO] running `"docker" "rm" "-f" "c5910851b246f7e5e632d733c39063b0a69f58c360320c284621197ab8e1fb2d"`
[INFO] [stdout] c5910851b246f7e5e632d733c39063b0a69f58c360320c284621197ab8e1fb2d