[INFO] cloning repository https://github.com/Shrekie/collection-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shrekie/collection-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShrekie%2Fcollection-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShrekie%2Fcollection-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8f8d5043966b828f5ba5c36d130504309c072e3
[INFO] testing Shrekie/collection-sandbox 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%2FShrekie%2Fcollection-sandbox" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shrekie/collection-sandbox 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/Shrekie/collection-sandbox
[INFO] finished tweaking git repo https://github.com/Shrekie/collection-sandbox
[INFO] tweaked toml for git repo https://github.com/Shrekie/collection-sandbox written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/Shrekie/collection-sandbox 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] [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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] ba1f1eaa4a46f59cab43263b95ef8454ec75e5c771adee0111556a9373504b65
[INFO] running `Command { std: "docker" "start" "-a" "ba1f1eaa4a46f59cab43263b95ef8454ec75e5c771adee0111556a9373504b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba1f1eaa4a46f59cab43263b95ef8454ec75e5c771adee0111556a9373504b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1f1eaa4a46f59cab43263b95ef8454ec75e5c771adee0111556a9373504b65", kill_on_drop: false }`
[INFO] [stdout] ba1f1eaa4a46f59cab43263b95ef8454ec75e5c771adee0111556a9373504b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 36ef378db63e077d0a59ab4996a9e9458374f44d625270bd6688b1c71a4bc519
[INFO] running `Command { std: "docker" "start" "-a" "36ef378db63e077d0a59ab4996a9e9458374f44d625270bd6688b1c71a4bc519", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "36ef378db63e077d0a59ab4996a9e9458374f44d625270bd6688b1c71a4bc519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ef378db63e077d0a59ab4996a9e9458374f44d625270bd6688b1c71a4bc519", kill_on_drop: false }`
[INFO] [stdout] 36ef378db63e077d0a59ab4996a9e9458374f44d625270bd6688b1c71a4bc519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 2c02d2dbe54b1532834d2343e88960f542b310cec45266b5ad4f5a0825464f91
[INFO] running `Command { std: "docker" "start" "-a" "2c02d2dbe54b1532834d2343e88960f542b310cec45266b5ad4f5a0825464f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "2c02d2dbe54b1532834d2343e88960f542b310cec45266b5ad4f5a0825464f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c02d2dbe54b1532834d2343e88960f542b310cec45266b5ad4f5a0825464f91", kill_on_drop: false }`
[INFO] [stdout] 2c02d2dbe54b1532834d2343e88960f542b310cec45266b5ad4f5a0825464f91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 22fa611a3bec6c3ba2a0b4aea728b843f895e9bfe2dbd0ecdea2fe43e03d97bf
[INFO] running `Command { std: "docker" "start" "-a" "22fa611a3bec6c3ba2a0b4aea728b843f895e9bfe2dbd0ecdea2fe43e03d97bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collection_sandbox-ed3b5e2f91577747)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22fa611a3bec6c3ba2a0b4aea728b843f895e9bfe2dbd0ecdea2fe43e03d97bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fa611a3bec6c3ba2a0b4aea728b843f895e9bfe2dbd0ecdea2fe43e03d97bf", kill_on_drop: false }`
[INFO] [stdout] 22fa611a3bec6c3ba2a0b4aea728b843f895e9bfe2dbd0ecdea2fe43e03d97bf