[INFO] cloning repository https://github.com/t-eckert/stack_max
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-eckert/stack_max" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-eckert%2Fstack_max", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-eckert%2Fstack_max'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a54cb6f5d9a7a77702421dcf5e6956b824854493
[INFO] testing t-eckert/stack_max against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-eckert%2Fstack_max" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-eckert/stack_max 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/t-eckert/stack_max
[INFO] finished tweaking git repo https://github.com/t-eckert/stack_max
[INFO] tweaked toml for git repo https://github.com/t-eckert/stack_max written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/t-eckert/stack_max 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ee247c87eea94baad9b1c60851668026bc26b3971161c26bd5833a848b808583
[INFO] running `Command { std: "docker" "start" "-a" "ee247c87eea94baad9b1c60851668026bc26b3971161c26bd5833a848b808583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee247c87eea94baad9b1c60851668026bc26b3971161c26bd5833a848b808583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee247c87eea94baad9b1c60851668026bc26b3971161c26bd5833a848b808583", kill_on_drop: false }`
[INFO] [stdout] ee247c87eea94baad9b1c60851668026bc26b3971161c26bd5833a848b808583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d9cf4ee08ab03c0a3638812c4fd5c91a17a9e63f5d3016bd1c41f85e44fb81fb
[INFO] running `Command { std: "docker" "start" "-a" "d9cf4ee08ab03c0a3638812c4fd5c91a17a9e63f5d3016bd1c41f85e44fb81fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack_max v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "d9cf4ee08ab03c0a3638812c4fd5c91a17a9e63f5d3016bd1c41f85e44fb81fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cf4ee08ab03c0a3638812c4fd5c91a17a9e63f5d3016bd1c41f85e44fb81fb", kill_on_drop: false }`
[INFO] [stdout] d9cf4ee08ab03c0a3638812c4fd5c91a17a9e63f5d3016bd1c41f85e44fb81fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 319774acf6953e116db4df2c386bc1e208790fc37863c750a7d8928f06f41dc7
[INFO] running `Command { std: "docker" "start" "-a" "319774acf6953e116db4df2c386bc1e208790fc37863c750a7d8928f06f41dc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack_max v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "319774acf6953e116db4df2c386bc1e208790fc37863c750a7d8928f06f41dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319774acf6953e116db4df2c386bc1e208790fc37863c750a7d8928f06f41dc7", kill_on_drop: false }`
[INFO] [stdout] 319774acf6953e116db4df2c386bc1e208790fc37863c750a7d8928f06f41dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 627c58f7fc1ece308dd79a3aea59c7625ae90b1bcd0a0888c487d044f7b2b74e
[INFO] running `Command { std: "docker" "start" "-a" "627c58f7fc1ece308dd79a3aea59c7625ae90b1bcd0a0888c487d044f7b2b74e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_max-47a90ba8b3380971)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test stack_max::tests::can_peek ... ok
[INFO] [stdout] test stack_max::tests::can_pop ... ok
[INFO] [stdout] test stack_max::tests::can_push ... ok
[INFO] [stdout] test stack_max::tests::it_updates_max ... ok
[INFO] [stdout] test stack_max::tests::it_constructs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "627c58f7fc1ece308dd79a3aea59c7625ae90b1bcd0a0888c487d044f7b2b74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627c58f7fc1ece308dd79a3aea59c7625ae90b1bcd0a0888c487d044f7b2b74e", kill_on_drop: false }`
[INFO] [stdout] 627c58f7fc1ece308dd79a3aea59c7625ae90b1bcd0a0888c487d044f7b2b74e