[INFO] cloning repository https://github.com/hirendoshi/rust_data_structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hirendoshi/rust_data_structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirendoshi%2Frust_data_structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirendoshi%2Frust_data_structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31afb5995066e6e2014fd1a895d3077fd69ba4ad
[INFO] testing hirendoshi/rust_data_structures against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirendoshi%2Frust_data_structures" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hirendoshi/rust_data_structures on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hirendoshi/rust_data_structures
[INFO] finished tweaking git repo https://github.com/hirendoshi/rust_data_structures
[INFO] tweaked toml for git repo https://github.com/hirendoshi/rust_data_structures written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/hirendoshi/rust_data_structures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ac07ea311be56619d6e103733412e8bdb5c2b529190048fa9f9a687a0d6a342
[INFO] running `Command { std: "docker" "start" "-a" "4ac07ea311be56619d6e103733412e8bdb5c2b529190048fa9f9a687a0d6a342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ac07ea311be56619d6e103733412e8bdb5c2b529190048fa9f9a687a0d6a342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac07ea311be56619d6e103733412e8bdb5c2b529190048fa9f9a687a0d6a342", kill_on_drop: false }`
[INFO] [stdout] 4ac07ea311be56619d6e103733412e8bdb5c2b529190048fa9f9a687a0d6a342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6e008dcb9aea5a255906e149a4834f0ceb60b1e08633c57d808f144b8812f96
[INFO] running `Command { std: "docker" "start" "-a" "e6e008dcb9aea5a255906e149a4834f0ceb60b1e08633c57d808f144b8812f96", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e6e008dcb9aea5a255906e149a4834f0ceb60b1e08633c57d808f144b8812f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e008dcb9aea5a255906e149a4834f0ceb60b1e08633c57d808f144b8812f96", kill_on_drop: false }`
[INFO] [stdout] e6e008dcb9aea5a255906e149a4834f0ceb60b1e08633c57d808f144b8812f96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebdadf1c13233196e256dc5c6c837c25ed4fed6000cd4349ec2cda2a20aba378
[INFO] running `Command { std: "docker" "start" "-a" "ebdadf1c13233196e256dc5c6c837c25ed4fed6000cd4349ec2cda2a20aba378", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ebdadf1c13233196e256dc5c6c837c25ed4fed6000cd4349ec2cda2a20aba378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdadf1c13233196e256dc5c6c837c25ed4fed6000cd4349ec2cda2a20aba378", kill_on_drop: false }`
[INFO] [stdout] ebdadf1c13233196e256dc5c6c837c25ed4fed6000cd4349ec2cda2a20aba378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9853d86f9c4a0bb58c8f48724c62f5a2d9149dc57b0c76c78cee83129610c472
[INFO] running `Command { std: "docker" "start" "-a" "9853d86f9c4a0bb58c8f48724c62f5a2d9149dc57b0c76c78cee83129610c472", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_data_structures-bcf380e3ad5591cf)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9853d86f9c4a0bb58c8f48724c62f5a2d9149dc57b0c76c78cee83129610c472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9853d86f9c4a0bb58c8f48724c62f5a2d9149dc57b0c76c78cee83129610c472", kill_on_drop: false }`
[INFO] [stdout] 9853d86f9c4a0bb58c8f48724c62f5a2d9149dc57b0c76c78cee83129610c472