[INFO] fetching crate rack-example 0.0.0...
[INFO] testing rack-example-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rack-example 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rack-example 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rack-example 0.0.0
[INFO] finished tweaking crates.io crate rack-example 0.0.0
[INFO] tweaked toml for crates.io crate rack-example 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 212c486a0aebcbdbc5029c5003df3cf60408d136c265e4b77cf4b29b4bdc8a36
[INFO] running `Command { std: "docker" "start" "-a" "212c486a0aebcbdbc5029c5003df3cf60408d136c265e4b77cf4b29b4bdc8a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "212c486a0aebcbdbc5029c5003df3cf60408d136c265e4b77cf4b29b4bdc8a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212c486a0aebcbdbc5029c5003df3cf60408d136c265e4b77cf4b29b4bdc8a36", kill_on_drop: false }`
[INFO] [stdout] 212c486a0aebcbdbc5029c5003df3cf60408d136c265e4b77cf4b29b4bdc8a36
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52136e1b3619ba79d03316c1f7894c086c0b5e68a03c1a3c05119f0fdbd27f1f
[INFO] running `Command { std: "docker" "start" "-a" "52136e1b3619ba79d03316c1f7894c086c0b5e68a03c1a3c05119f0fdbd27f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-example v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "52136e1b3619ba79d03316c1f7894c086c0b5e68a03c1a3c05119f0fdbd27f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52136e1b3619ba79d03316c1f7894c086c0b5e68a03c1a3c05119f0fdbd27f1f", kill_on_drop: false }`
[INFO] [stdout] 52136e1b3619ba79d03316c1f7894c086c0b5e68a03c1a3c05119f0fdbd27f1f
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da0c3346bd5833dee71104953e0fd591a2dd14ed2fbeae9085738471f8b8258
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2da0c3346bd5833dee71104953e0fd591a2dd14ed2fbeae9085738471f8b8258", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-example v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2da0c3346bd5833dee71104953e0fd591a2dd14ed2fbeae9085738471f8b8258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da0c3346bd5833dee71104953e0fd591a2dd14ed2fbeae9085738471f8b8258", kill_on_drop: false }`
[INFO] [stdout] 2da0c3346bd5833dee71104953e0fd591a2dd14ed2fbeae9085738471f8b8258
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f9681bcc555133b2c7280f7a8c3e9b2061b3dceb7738f8523e170e69d35766d
[INFO] running `Command { std: "docker" "start" "-a" "6f9681bcc555133b2c7280f7a8c3e9b2061b3dceb7738f8523e170e69d35766d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rack_example-a92b7306aa6e8ce5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rack-example
[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" "6f9681bcc555133b2c7280f7a8c3e9b2061b3dceb7738f8523e170e69d35766d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9681bcc555133b2c7280f7a8c3e9b2061b3dceb7738f8523e170e69d35766d", kill_on_drop: false }`
[INFO] [stdout] 6f9681bcc555133b2c7280f7a8c3e9b2061b3dceb7738f8523e170e69d35766d