[INFO] cloning repository https://github.com/kirkpetersen/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirkpetersen/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34532a261b3591d4a9f19cd65101ab238da31d63
[INFO] testing kirkpetersen/rust-examples against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirkpetersen/rust-examples on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirkpetersen/rust-examples
[INFO] finished tweaking git repo https://github.com/kirkpetersen/rust-examples
[INFO] tweaked toml for git repo https://github.com/kirkpetersen/rust-examples written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kirkpetersen/rust-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20dc4e1a047714038a7e723612227d7886ed1b0de4e3e0fb9decc2ae08633663
[INFO] running `Command { std: "docker" "start" "-a" "20dc4e1a047714038a7e723612227d7886ed1b0de4e3e0fb9decc2ae08633663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20dc4e1a047714038a7e723612227d7886ed1b0de4e3e0fb9decc2ae08633663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dc4e1a047714038a7e723612227d7886ed1b0de4e3e0fb9decc2ae08633663", kill_on_drop: false }`
[INFO] [stdout] 20dc4e1a047714038a7e723612227d7886ed1b0de4e3e0fb9decc2ae08633663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ede99f24bf669154f4d6a670398060df233a6bdb4027af0f3e42d4cc4b2f36a
[INFO] running `Command { std: "docker" "start" "-a" "4ede99f24bf669154f4d6a670398060df233a6bdb4027af0f3e42d4cc4b2f36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4ede99f24bf669154f4d6a670398060df233a6bdb4027af0f3e42d4cc4b2f36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ede99f24bf669154f4d6a670398060df233a6bdb4027af0f3e42d4cc4b2f36a", kill_on_drop: false }`
[INFO] [stdout] 4ede99f24bf669154f4d6a670398060df233a6bdb4027af0f3e42d4cc4b2f36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737479cb7c10546a63f684e90d89aecca7e8e6ffc64df0c6ca87b5e5c49d6701
[INFO] running `Command { std: "docker" "start" "-a" "737479cb7c10546a63f684e90d89aecca7e8e6ffc64df0c6ca87b5e5c49d6701", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "737479cb7c10546a63f684e90d89aecca7e8e6ffc64df0c6ca87b5e5c49d6701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737479cb7c10546a63f684e90d89aecca7e8e6ffc64df0c6ca87b5e5c49d6701", kill_on_drop: false }`
[INFO] [stdout] 737479cb7c10546a63f684e90d89aecca7e8e6ffc64df0c6ca87b5e5c49d6701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 493e8968b256266306cb9040f2e0a6b7b5f7caff4cefa0a05248d7816b0647be
[INFO] running `Command { std: "docker" "start" "-a" "493e8968b256266306cb9040f2e0a6b7b5f7caff4cefa0a05248d7816b0647be", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_examples-ac7575b96353e8ee)
[INFO] [stdout] test duplicates::it_detects_duplicates ... ok
[INFO] [stdout] test parenthesis::it_verifies_parenthesis ... ok
[INFO] [stdout] test duplicates::returns_duplicates ... ok
[INFO] [stdout] test trie::check_the_trie_stuff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "493e8968b256266306cb9040f2e0a6b7b5f7caff4cefa0a05248d7816b0647be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493e8968b256266306cb9040f2e0a6b7b5f7caff4cefa0a05248d7816b0647be", kill_on_drop: false }`
[INFO] [stdout] 493e8968b256266306cb9040f2e0a6b7b5f7caff4cefa0a05248d7816b0647be