[INFO] updating cached repository https://github.com/mingyli/samplers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df6b3eef7466f44f22799cf9e7cf63698cf7e68a
[INFO] testing mingyli/samplers against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fsamplers" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingyli/samplers on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mingyli/samplers
[INFO] finished tweaking git repo https://github.com/mingyli/samplers
[INFO] tweaked toml for git repo https://github.com/mingyli/samplers written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/samplers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c0705f37f527a1485e24ba1f8a666f7a413fb11a9c0b358a109e38b1e26351d2
[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" "c0705f37f527a1485e24ba1f8a666f7a413fb11a9c0b358a109e38b1e26351d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1 (https://github.com/rust-random/rand#2bb85945)
[INFO] [stderr]    Compiling rand_chacha v0.2.2 (https://github.com/rust-random/rand#2bb85945)
[INFO] [stderr]    Compiling rand v0.7.3 (https://github.com/rust-random/rand#2bb85945)
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling rand_distr v0.2.2 (https://github.com/rust-random/rand#2bb85945)
[INFO] [stderr]    Compiling statrs v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling samplers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.07s
[INFO] running `"docker" "inspect" "c0705f37f527a1485e24ba1f8a666f7a413fb11a9c0b358a109e38b1e26351d2"`
[INFO] running `"docker" "rm" "-f" "c0705f37f527a1485e24ba1f8a666f7a413fb11a9c0b358a109e38b1e26351d2"`
[INFO] [stdout] c0705f37f527a1485e24ba1f8a666f7a413fb11a9c0b358a109e38b1e26351d2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 012be2b5190c1322d6412cbd2f1998111a0198134b27e38ad6119401746a3b46
[INFO] running `"docker" "start" "-a" "012be2b5190c1322d6412cbd2f1998111a0198134b27e38ad6119401746a3b46"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling samplers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "012be2b5190c1322d6412cbd2f1998111a0198134b27e38ad6119401746a3b46"`
[INFO] running `"docker" "rm" "-f" "012be2b5190c1322d6412cbd2f1998111a0198134b27e38ad6119401746a3b46"`
[INFO] [stdout] 012be2b5190c1322d6412cbd2f1998111a0198134b27e38ad6119401746a3b46
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] e9e1bdbff20e9220a19314ce6148b686beea0ce21f0014fd50cb728c04caab30
[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" "e9e1bdbff20e9220a19314ce6148b686beea0ce21f0014fd50cb728c04caab30"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/samplers-383f2813b48c5430
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test summary::test_mean ... ok
[INFO] [stdout] test histogram::test_histogram ... ok
[INFO] [stdout] test histogram::test_linspace ... ok
[INFO] [stdout] test summary::test_central_moments_summary ... ok
[INFO] [stdout] test summary::test_variance ... ok
[INFO] [stdout] test summary::test_distribution_summary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e9e1bdbff20e9220a19314ce6148b686beea0ce21f0014fd50cb728c04caab30"`
[INFO] running `"docker" "rm" "-f" "e9e1bdbff20e9220a19314ce6148b686beea0ce21f0014fd50cb728c04caab30"`
[INFO] [stdout] e9e1bdbff20e9220a19314ce6148b686beea0ce21f0014fd50cb728c04caab30