[INFO] cloning repository Murtaza0xFF/Rust-Playground
[INFO] running `"git" "clone" "--bare" "git://github.com/Murtaza0xFF/Rust-Playground.git" "work/cache/sources/gh/Murtaza0xFF/Rust-Playground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Murtaza0xFF/Rust-Playground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Murtaza0xFF/Rust-Playground" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Murtaza0xFF/Rust-Playground" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Murtaza0xFF/Rust-Playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Murtaza0xFF/Rust-Playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2117cbce957456e035f370e30bf09888ab181af4
[INFO] sha for GitHub repo Murtaza0xFF/Rust-Playground: 2117cbce957456e035f370e30bf09888ab181af4
[INFO] validating manifest of Murtaza0xFF/Rust-Playground 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 Murtaza0xFF/Rust-Playground 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 Murtaza0xFF/Rust-Playground
[INFO] finished frobbing Murtaza0xFF/Rust-Playground
[INFO] frobbed toml for Murtaza0xFF/Rust-Playground written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground/Cargo.toml
[INFO] started frobbing Murtaza0xFF/Rust-Playground
[INFO] finished frobbing Murtaza0xFF/Rust-Playground
[INFO] frobbed toml for Murtaza0xFF/Rust-Playground written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Murtaza0xFF/Rust-Playground/Cargo.toml
[INFO] crate Murtaza0xFF/Rust-Playground 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 Murtaza0xFF/Rust-Playground against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] bfd61e54b7e2c56d2c4168e4792cd9b1aef762a1a8b060af13c610edd2b9d09e
[INFO] running `"docker" "start" "-a" "bfd61e54b7e2c56d2c4168e4792cd9b1aef762a1a8b060af13c610edd2b9d09e"`
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "bfd61e54b7e2c56d2c4168e4792cd9b1aef762a1a8b060af13c610edd2b9d09e"`
[INFO] running `"docker" "rm" "-f" "bfd61e54b7e2c56d2c4168e4792cd9b1aef762a1a8b060af13c610edd2b9d09e"`
[INFO] [stdout] bfd61e54b7e2c56d2c4168e4792cd9b1aef762a1a8b060af13c610edd2b9d09e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb1e58f7d811f0e0b1e675997432c9950eb6690b336a84baad2d8dba6b0c6f76
[INFO] running `"docker" "start" "-a" "cb1e58f7d811f0e0b1e675997432c9950eb6690b336a84baad2d8dba6b0c6f76"`
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "cb1e58f7d811f0e0b1e675997432c9950eb6690b336a84baad2d8dba6b0c6f76"`
[INFO] running `"docker" "rm" "-f" "cb1e58f7d811f0e0b1e675997432c9950eb6690b336a84baad2d8dba6b0c6f76"`
[INFO] [stdout] cb1e58f7d811f0e0b1e675997432c9950eb6690b336a84baad2d8dba6b0c6f76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Murtaza0xFF/Rust-Playground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 0f53a2b7955208e6dab6fc38e9066a204ae8576eda39251d9bc616841b0a3a2e
[INFO] running `"docker" "start" "-a" "0f53a2b7955208e6dab6fc38e9066a204ae8576eda39251d9bc616841b0a3a2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playground-9d3180c799ab8b58
[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" "0f53a2b7955208e6dab6fc38e9066a204ae8576eda39251d9bc616841b0a3a2e"`
[INFO] running `"docker" "rm" "-f" "0f53a2b7955208e6dab6fc38e9066a204ae8576eda39251d9bc616841b0a3a2e"`
[INFO] [stdout] 0f53a2b7955208e6dab6fc38e9066a204ae8576eda39251d9bc616841b0a3a2e