[INFO] updating cached repository AaronLeon/eecs395-rust-hw4
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AaronLeon/eecs395-rust-hw4
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AaronLeon/eecs395-rust-hw4" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/AaronLeon/eecs395-rust-hw4"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/AaronLeon/eecs395-rust-hw4'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AaronLeon/eecs395-rust-hw4" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/AaronLeon/eecs395-rust-hw4"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/AaronLeon/eecs395-rust-hw4'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb9565dc2f9b7fb45222cd68899960e2b442378b
[INFO] sha for GitHub repo AaronLeon/eecs395-rust-hw4: bb9565dc2f9b7fb45222cd68899960e2b442378b
[INFO] validating manifest of AaronLeon/eecs395-rust-hw4 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 AaronLeon/eecs395-rust-hw4 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 AaronLeon/eecs395-rust-hw4
[INFO] finished frobbing AaronLeon/eecs395-rust-hw4
[INFO] frobbed toml for AaronLeon/eecs395-rust-hw4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/AaronLeon/eecs395-rust-hw4/Cargo.toml
[INFO] started frobbing AaronLeon/eecs395-rust-hw4
[INFO] finished frobbing AaronLeon/eecs395-rust-hw4
[INFO] frobbed toml for AaronLeon/eecs395-rust-hw4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/AaronLeon/eecs395-rust-hw4/Cargo.toml
[INFO] crate AaronLeon/eecs395-rust-hw4 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 AaronLeon/eecs395-rust-hw4 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/AaronLeon/eecs395-rust-hw4:/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] 47053cbb3944247959439fc8159bf7998cfdb28ccbf600b5486def93acb6830e
[INFO] running `"docker" "start" "-a" "47053cbb3944247959439fc8159bf7998cfdb28ccbf600b5486def93acb6830e"`
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stderr]    Compiling hw4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "47053cbb3944247959439fc8159bf7998cfdb28ccbf600b5486def93acb6830e"`
[INFO] running `"docker" "rm" "-f" "47053cbb3944247959439fc8159bf7998cfdb28ccbf600b5486def93acb6830e"`
[INFO] [stdout] 47053cbb3944247959439fc8159bf7998cfdb28ccbf600b5486def93acb6830e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/AaronLeon/eecs395-rust-hw4:/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] 9a86462d442e96d9a78d8b7db797bb2e63e496e48938f63bb40979f1388de2cd
[INFO] running `"docker" "start" "-a" "9a86462d442e96d9a78d8b7db797bb2e63e496e48938f63bb40979f1388de2cd"`
[INFO] [stderr]    Compiling hw4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "9a86462d442e96d9a78d8b7db797bb2e63e496e48938f63bb40979f1388de2cd"`
[INFO] running `"docker" "rm" "-f" "9a86462d442e96d9a78d8b7db797bb2e63e496e48938f63bb40979f1388de2cd"`
[INFO] [stdout] 9a86462d442e96d9a78d8b7db797bb2e63e496e48938f63bb40979f1388de2cd