[INFO] cloning repository lowks/gettingrusty
[INFO] running `"git" "clone" "--bare" "git://github.com/lowks/gettingrusty.git" "work/cache/sources/gh/lowks/gettingrusty"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lowks/gettingrusty'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lowks/gettingrusty" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lowks/gettingrusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lowks/gettingrusty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lowks/gettingrusty" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c793a1888c8b5ef702b8ea63e1e91c9084c7e9a
[INFO] sha for GitHub repo lowks/gettingrusty: 6c793a1888c8b5ef702b8ea63e1e91c9084c7e9a
[INFO] validating manifest of lowks/gettingrusty 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 lowks/gettingrusty 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 lowks/gettingrusty
[INFO] finished frobbing lowks/gettingrusty
[INFO] frobbed toml for lowks/gettingrusty written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lowks/gettingrusty/Cargo.toml
[INFO] started frobbing lowks/gettingrusty
[INFO] finished frobbing lowks/gettingrusty
[INFO] frobbed toml for lowks/gettingrusty written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty/Cargo.toml
[INFO] crate lowks/gettingrusty 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lowks/gettingrusty against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty:/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] 55a7beed862cbdd85db1068bd323bbe1848f337095e546d0289cfc4adb453645
[INFO] running `"docker" "start" "-a" "55a7beed862cbdd85db1068bd323bbe1848f337095e546d0289cfc4adb453645"`
[INFO] [stderr]    Compiling gettingrusty v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/semicolons.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |             2 * m;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "55a7beed862cbdd85db1068bd323bbe1848f337095e546d0289cfc4adb453645"`
[INFO] running `"docker" "rm" "-f" "55a7beed862cbdd85db1068bd323bbe1848f337095e546d0289cfc4adb453645"`
[INFO] [stdout] 55a7beed862cbdd85db1068bd323bbe1848f337095e546d0289cfc4adb453645
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty:/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] ab079b29eb63e09011c7f099299d44abaa5f1d3eed892195932874bc8af34943
[INFO] running `"docker" "start" "-a" "ab079b29eb63e09011c7f099299d44abaa5f1d3eed892195932874bc8af34943"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling gettingrusty v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/semicolons.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |             2 * m;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "ab079b29eb63e09011c7f099299d44abaa5f1d3eed892195932874bc8af34943"`
[INFO] running `"docker" "rm" "-f" "ab079b29eb63e09011c7f099299d44abaa5f1d3eed892195932874bc8af34943"`
[INFO] [stdout] ab079b29eb63e09011c7f099299d44abaa5f1d3eed892195932874bc8af34943
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lowks/gettingrusty:/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] 2a2b9416e33bb38f797786383a5cf9c635ca06a93da4dcd8ef3333e763f3447e
[INFO] running `"docker" "start" "-a" "2a2b9416e33bb38f797786383a5cf9c635ca06a93da4dcd8ef3333e763f3447e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gettingrusty-01a319478b28bcc2
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test semicolons::test_expr ... ok
[INFO] [stdout] test pattern_match::test_pattern_m ... ok
[INFO] [stdout] test matching::test_matching ... ok
[INFO] [stdout] test string::test_truncate ... ok
[INFO] [stdout] test guard_clause::test_pattern_m ... ok
[INFO] [stdout] test conditionals::test_conditionals ... ok
[INFO] [stdout] test string::test_push_string ... ok
[INFO] [stdout] test string::test_replace ... ok
[INFO] [stdout] test functional::test_functional ... ok
[INFO] [stdout] test string::test_string_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2a2b9416e33bb38f797786383a5cf9c635ca06a93da4dcd8ef3333e763f3447e"`
[INFO] running `"docker" "rm" "-f" "2a2b9416e33bb38f797786383a5cf9c635ca06a93da4dcd8ef3333e763f3447e"`
[INFO] [stdout] 2a2b9416e33bb38f797786383a5cf9c635ca06a93da4dcd8ef3333e763f3447e