[INFO] crate xch 1.1.0 is already in cache
[INFO] testing xch-1.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate xch 1.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate xch 1.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xch 1.1.0
[INFO] finished tweaking crates.io crate xch 1.1.0
[INFO] tweaked toml for crates.io crate xch 1.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate xch 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5494d72a9f913f1603c1233a59926521d3d81593860363743bb55c488e03845
[INFO] running `"docker" "start" "-a" "c5494d72a9f913f1603c1233a59926521d3d81593860363743bb55c488e03845"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling xch v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling uuid v0.8.0
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(f, "{}", self.description())
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `"docker" "inspect" "c5494d72a9f913f1603c1233a59926521d3d81593860363743bb55c488e03845"`
[INFO] running `"docker" "rm" "-f" "c5494d72a9f913f1603c1233a59926521d3d81593860363743bb55c488e03845"`
[INFO] [stdout] c5494d72a9f913f1603c1233a59926521d3d81593860363743bb55c488e03845
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "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] f83c589b4da7a8f615f27f3d023e92caa82bed713db77558d507f9ae75374618
[INFO] running `"docker" "start" "-a" "f83c589b4da7a8f615f27f3d023e92caa82bed713db77558d507f9ae75374618"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(f, "{}", self.description())
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling xch v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(f, "{}", self.description())
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "f83c589b4da7a8f615f27f3d023e92caa82bed713db77558d507f9ae75374618"`
[INFO] running `"docker" "rm" "-f" "f83c589b4da7a8f615f27f3d023e92caa82bed713db77558d507f9ae75374618"`
[INFO] [stdout] f83c589b4da7a8f615f27f3d023e92caa82bed713db77558d507f9ae75374618
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18a675987e1b10299305773aff992381c9e1c22c7bb8acb7af8be70dbaf3ab37
[INFO] running `"docker" "start" "-a" "18a675987e1b10299305773aff992381c9e1c22c7bb8acb7af8be70dbaf3ab37"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(f, "{}", self.description())
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(f, "{}", self.description())
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libxch-67931923c5d96d4d
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xch-22bdb4584e79ca3c
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-4b6f6fc0fed3d27b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_success ... ok
[INFO] [stdout] test test_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/util-7f6ca3ca3959c635
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libxch
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "18a675987e1b10299305773aff992381c9e1c22c7bb8acb7af8be70dbaf3ab37"`
[INFO] running `"docker" "rm" "-f" "18a675987e1b10299305773aff992381c9e1c22c7bb8acb7af8be70dbaf3ab37"`
[INFO] [stdout] 18a675987e1b10299305773aff992381c9e1c22c7bb8acb7af8be70dbaf3ab37