[INFO] crate rump 0.1.0 is already in cache
[INFO] testing rump-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate rump 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rump 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rump 0.1.0
[INFO] finished tweaking crates.io crate rump 0.1.0
[INFO] tweaked toml for crates.io crate rump 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 5e38fc1ac50760ac5ed59c0cd74bc8c8dcca39227e24d2ca0140dfdee9d0ccd8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5e38fc1ac50760ac5ed59c0cd74bc8c8dcca39227e24d2ca0140dfdee9d0ccd8"`
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling rump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cli.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let parsed_options = try!(self.options.parse(args));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/data.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut home = env::home_dir().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `"docker" "inspect" "5e38fc1ac50760ac5ed59c0cd74bc8c8dcca39227e24d2ca0140dfdee9d0ccd8"`
[INFO] running `"docker" "rm" "-f" "5e38fc1ac50760ac5ed59c0cd74bc8c8dcca39227e24d2ca0140dfdee9d0ccd8"`
[INFO] [stdout] 5e38fc1ac50760ac5ed59c0cd74bc8c8dcca39227e24d2ca0140dfdee9d0ccd8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7ffe80325a4c7e7da39fa0705e2feeb7dd9aa0571c4fa41b78dc29230761911
[INFO] running `"docker" "start" "-a" "d7ffe80325a4c7e7da39fa0705e2feeb7dd9aa0571c4fa41b78dc29230761911"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `"docker" "inspect" "d7ffe80325a4c7e7da39fa0705e2feeb7dd9aa0571c4fa41b78dc29230761911"`
[INFO] running `"docker" "rm" "-f" "d7ffe80325a4c7e7da39fa0705e2feeb7dd9aa0571c4fa41b78dc29230761911"`
[INFO] [stdout] d7ffe80325a4c7e7da39fa0705e2feeb7dd9aa0571c4fa41b78dc29230761911
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 9a028187eb316583ba0f282d9f6b4b3cd395a3320f6b9ffb40d884b605b9df66
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9a028187eb316583ba0f282d9f6b4b3cd395a3320f6b9ffb40d884b605b9df66"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "9a028187eb316583ba0f282d9f6b4b3cd395a3320f6b9ffb40d884b605b9df66"`
[INFO] running `"docker" "rm" "-f" "9a028187eb316583ba0f282d9f6b4b3cd395a3320f6b9ffb40d884b605b9df66"`
[INFO] [stdout] 9a028187eb316583ba0f282d9f6b4b3cd395a3320f6b9ffb40d884b605b9df66