[INFO] fetching crate mcmc 0.1.3...
[INFO] testing mcmc-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mcmc 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mcmc 0.1.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcmc 0.1.3
[INFO] finished tweaking crates.io crate mcmc 0.1.3
[INFO] tweaked toml for crates.io crate mcmc 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] edd095b27b10f31cc92f205789cc0c10560100e04b3b0c3d9edca28bb6e48d55
[INFO] running `Command { std: "docker" "start" "-a" "edd095b27b10f31cc92f205789cc0c10560100e04b3b0c3d9edca28bb6e48d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edd095b27b10f31cc92f205789cc0c10560100e04b3b0c3d9edca28bb6e48d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd095b27b10f31cc92f205789cc0c10560100e04b3b0c3d9edca28bb6e48d55", kill_on_drop: false }`
[INFO] [stdout] edd095b27b10f31cc92f205789cc0c10560100e04b3b0c3d9edca28bb6e48d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4509dfee26d944a9bcb6935cec7786551838d105c0f39be575c64809c6af5b40
[INFO] running `Command { std: "docker" "start" "-a" "4509dfee26d944a9bcb6935cec7786551838d105c0f39be575c64809c6af5b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling lbfgs v0.2.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling optimization v0.1.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling arima v0.2.0
[INFO] [stderr]    Compiling mcmc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.89s
[INFO] running `Command { std: "docker" "inspect" "4509dfee26d944a9bcb6935cec7786551838d105c0f39be575c64809c6af5b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4509dfee26d944a9bcb6935cec7786551838d105c0f39be575c64809c6af5b40", kill_on_drop: false }`
[INFO] [stdout] 4509dfee26d944a9bcb6935cec7786551838d105c0f39be575c64809c6af5b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] ac3d3b705d909b9aec79bf142cf5c19256d825e6794f7ad21751dd6af5dc85eb
[INFO] running `Command { std: "docker" "start" "-a" "ac3d3b705d909b9aec79bf142cf5c19256d825e6794f7ad21751dd6af5dc85eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcmc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "ac3d3b705d909b9aec79bf142cf5c19256d825e6794f7ad21751dd6af5dc85eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3d3b705d909b9aec79bf142cf5c19256d825e6794f7ad21751dd6af5dc85eb", kill_on_drop: false }`
[INFO] [stdout] ac3d3b705d909b9aec79bf142cf5c19256d825e6794f7ad21751dd6af5dc85eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30f8efad527be8dda3477f38e96808abe6f7c30fe6f6d2076a41963be3ed50fd
[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" "30f8efad527be8dda3477f38e96808abe6f7c30fe6f6d2076a41963be3ed50fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcmc-f7b821c86616bd85
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test ess::tests::test_identical_autocovariance_in_arima_library_and_stan ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_nan ... ok
[INFO] [stdout] test utils::tests::test_split_empty_chains ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_constant ... ok
[INFO] [stdout] test utils::tests::test_split_even_chains ... ok
[INFO] [stdout] test rhat::tests::test_split_chains ... ok
[INFO] [stdout] test utils::tests::test_stats ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_sufficient_n ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_minimum_n ... ok
[INFO] [stdout] test utils::tests::test_split_odd_chains ... ok
[INFO] [stdout] test utils::tests::test_flatten ... ok
[INFO] [stdout] test rhat::tests::test_stan_blocker_unit_test_split_potential_scale_reduction_factor ... ok
[INFO] [stdout] test rhat::tests::test_stan_blocker_unit_test_potential_scale_reduction_factor ... ok
[INFO] [stdout] test ess::tests::test_compute_split_effective_sample_size_two_chains ... ok
[INFO] [stdout] test ess::tests::test_compute_effective_sample_size_one_chain ... ok
[INFO] [stdout] test ess::tests::test_compute_effective_sample_size_two_chains ... ok
[INFO] [stderr]    Doc-tests mcmc
[INFO] [stdout] test ess::tests::test_compute_estimated_mcse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 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] running `Command { std: "docker" "inspect" "30f8efad527be8dda3477f38e96808abe6f7c30fe6f6d2076a41963be3ed50fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f8efad527be8dda3477f38e96808abe6f7c30fe6f6d2076a41963be3ed50fd", kill_on_drop: false }`
[INFO] [stdout] 30f8efad527be8dda3477f38e96808abe6f7c30fe6f6d2076a41963be3ed50fd