[INFO] cloning repository talnetd/jrmath
[INFO] running `"git" "clone" "--bare" "git://github.com/talnetd/jrmath.git" "work/cache/sources/gh/talnetd/jrmath"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/talnetd/jrmath'...
[INFO] running `"git" "clone" "work/cache/sources/gh/talnetd/jrmath" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/talnetd/jrmath"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/talnetd/jrmath'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/talnetd/jrmath" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74a463e520c5c01af5984cf62fd21f1e53c5d4b1
[INFO] sha for GitHub repo talnetd/jrmath: 74a463e520c5c01af5984cf62fd21f1e53c5d4b1
[INFO] validating manifest of talnetd/jrmath on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of talnetd/jrmath on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing talnetd/jrmath
[INFO] finished frobbing talnetd/jrmath
[INFO] frobbed toml for talnetd/jrmath written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/talnetd/jrmath/Cargo.toml
[INFO] started frobbing talnetd/jrmath
[INFO] finished frobbing talnetd/jrmath
[INFO] frobbed toml for talnetd/jrmath written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath/Cargo.toml
[INFO] crate talnetd/jrmath already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing talnetd/jrmath against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] ef8aa63c4aec8ab7f88a428ef25e8c1ed3615e8cc6ba008ad6d8f5ccefd7a054
[INFO] running `"docker" "start" "-a" "ef8aa63c4aec8ab7f88a428ef25e8c1ed3615e8cc6ba008ad6d8f5ccefd7a054"`
[INFO] [stderr]    Compiling jrmath v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Hex`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Hex {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_number`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn print_number(x: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn sum(x: i32, y: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]   --> src/main.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn factorial(x: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "ef8aa63c4aec8ab7f88a428ef25e8c1ed3615e8cc6ba008ad6d8f5ccefd7a054"`
[INFO] running `"docker" "rm" "-f" "ef8aa63c4aec8ab7f88a428ef25e8c1ed3615e8cc6ba008ad6d8f5ccefd7a054"`
[INFO] [stdout] ef8aa63c4aec8ab7f88a428ef25e8c1ed3615e8cc6ba008ad6d8f5ccefd7a054
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4daa7ce5aaad01278ab7fd9be61a73957f650a68f55830b37e9d1c8b1536f13a
[INFO] running `"docker" "start" "-a" "4daa7ce5aaad01278ab7fd9be61a73957f650a68f55830b37e9d1c8b1536f13a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling jrmath v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Hex`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Hex {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_number`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn print_number(x: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn sum(x: i32, y: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]   --> src/main.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn factorial(x: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "4daa7ce5aaad01278ab7fd9be61a73957f650a68f55830b37e9d1c8b1536f13a"`
[INFO] running `"docker" "rm" "-f" "4daa7ce5aaad01278ab7fd9be61a73957f650a68f55830b37e9d1c8b1536f13a"`
[INFO] [stdout] 4daa7ce5aaad01278ab7fd9be61a73957f650a68f55830b37e9d1c8b1536f13a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/talnetd/jrmath:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 867b096b5a6ad7e57d82dda6988755ec158d4b3384ef5128ae94c2c2c5b6abd1
[INFO] running `"docker" "start" "-a" "867b096b5a6ad7e57d82dda6988755ec158d4b3384ef5128ae94c2c2c5b6abd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jrmath-c71e02aa093b7684
[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" "867b096b5a6ad7e57d82dda6988755ec158d4b3384ef5128ae94c2c2c5b6abd1"`
[INFO] running `"docker" "rm" "-f" "867b096b5a6ad7e57d82dda6988755ec158d4b3384ef5128ae94c2c2c5b6abd1"`
[INFO] [stdout] 867b096b5a6ad7e57d82dda6988755ec158d4b3384ef5128ae94c2c2c5b6abd1