[INFO] cloning repository Vesnica/learning_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/Vesnica/learning_rust.git" "work/cache/sources/gh/Vesnica/learning_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Vesnica/learning_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Vesnica/learning_rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Vesnica/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Vesnica/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vesnica/learning_rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3231c9a07f7d4d3a7d868e19f8e852559397aa36
[INFO] sha for GitHub repo Vesnica/learning_rust: 3231c9a07f7d4d3a7d868e19f8e852559397aa36
[INFO] validating manifest of Vesnica/learning_rust 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 Vesnica/learning_rust 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 Vesnica/learning_rust
[INFO] finished frobbing Vesnica/learning_rust
[INFO] frobbed toml for Vesnica/learning_rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Vesnica/learning_rust/Cargo.toml
[INFO] started frobbing Vesnica/learning_rust
[INFO] finished frobbing Vesnica/learning_rust
[INFO] frobbed toml for Vesnica/learning_rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust/Cargo.toml
[INFO] crate Vesnica/learning_rust 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing Vesnica/learning_rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust:/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] fe050563016b177ca2ec73e701d69d989628dfc66c8a11409ada70d6e93002f4
[INFO] running `"docker" "start" "-a" "fe050563016b177ca2ec73e701d69d989628dfc66c8a11409ada70d6e93002f4"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "fe050563016b177ca2ec73e701d69d989628dfc66c8a11409ada70d6e93002f4"`
[INFO] running `"docker" "rm" "-f" "fe050563016b177ca2ec73e701d69d989628dfc66c8a11409ada70d6e93002f4"`
[INFO] [stdout] fe050563016b177ca2ec73e701d69d989628dfc66c8a11409ada70d6e93002f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust:/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] 17cdc09905400474af6e0ffa9762f45665969de62a7d5c6e8da3443486eb8cd9
[INFO] running `"docker" "start" "-a" "17cdc09905400474af6e0ffa9762f45665969de62a7d5c6e8da3443486eb8cd9"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "17cdc09905400474af6e0ffa9762f45665969de62a7d5c6e8da3443486eb8cd9"`
[INFO] running `"docker" "rm" "-f" "17cdc09905400474af6e0ffa9762f45665969de62a7d5c6e8da3443486eb8cd9"`
[INFO] [stdout] 17cdc09905400474af6e0ffa9762f45665969de62a7d5c6e8da3443486eb8cd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Vesnica/learning_rust:/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] 48b55e1d6c9ff4dd34644ce6a5ce0d80949e16c36930cf074ee22aa05c7df95b
[INFO] running `"docker" "start" "-a" "48b55e1d6c9ff4dd34644ce6a5ce0d80949e16c36930cf074ee22aa05c7df95b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-27de606b2499737d
[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" "48b55e1d6c9ff4dd34644ce6a5ce0d80949e16c36930cf074ee22aa05c7df95b"`
[INFO] running `"docker" "rm" "-f" "48b55e1d6c9ff4dd34644ce6a5ce0d80949e16c36930cf074ee22aa05c7df95b"`
[INFO] [stdout] 48b55e1d6c9ff4dd34644ce6a5ce0d80949e16c36930cf074ee22aa05c7df95b