[INFO] updating cached repository PeterCxy/huffman-coding-cse104-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PeterCxy/huffman-coding-cse104-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PeterCxy/huffman-coding-cse104-rust" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/PeterCxy/huffman-coding-cse104-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/PeterCxy/huffman-coding-cse104-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PeterCxy/huffman-coding-cse104-rust" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/PeterCxy/huffman-coding-cse104-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/PeterCxy/huffman-coding-cse104-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8dae1c157f776aaa7c340f21ebca5741efc6893
[INFO] sha for GitHub repo PeterCxy/huffman-coding-cse104-rust: f8dae1c157f776aaa7c340f21ebca5741efc6893
[INFO] validating manifest of PeterCxy/huffman-coding-cse104-rust on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PeterCxy/huffman-coding-cse104-rust on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PeterCxy/huffman-coding-cse104-rust
[INFO] finished frobbing PeterCxy/huffman-coding-cse104-rust
[INFO] frobbed toml for PeterCxy/huffman-coding-cse104-rust written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/PeterCxy/huffman-coding-cse104-rust/Cargo.toml
[INFO] started frobbing PeterCxy/huffman-coding-cse104-rust
[INFO] finished frobbing PeterCxy/huffman-coding-cse104-rust
[INFO] frobbed toml for PeterCxy/huffman-coding-cse104-rust written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/PeterCxy/huffman-coding-cse104-rust/Cargo.toml
[INFO] crate PeterCxy/huffman-coding-cse104-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking PeterCxy/huffman-coding-cse104-rust against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-1/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/PeterCxy/huffman-coding-cse104-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 34b14a3d4d5699eb67aab288d250962f07c13334343c252a26ea0bf3a9dcac34
[INFO] running `"docker" "start" "-a" "34b14a3d4d5699eb67aab288d250962f07c13334343c252a26ea0bf3a9dcac34"`
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "34b14a3d4d5699eb67aab288d250962f07c13334343c252a26ea0bf3a9dcac34"`
[INFO] running `"docker" "rm" "-f" "34b14a3d4d5699eb67aab288d250962f07c13334343c252a26ea0bf3a9dcac34"`
[INFO] [stdout] 34b14a3d4d5699eb67aab288d250962f07c13334343c252a26ea0bf3a9dcac34