[INFO] cloning repository https://github.com/mingyli/samplers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyli/samplers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fsamplers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fsamplers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df6b3eef7466f44f22799cf9e7cf63698cf7e68a
[INFO] testing mingyli/samplers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fsamplers" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingyli/samplers on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/samplers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e331d0d340b70283b201cf5d29539611b1b0ee3289f7d66e17988794164c36d4
[INFO] running `Command { std: "docker" "start" "-a" "e331d0d340b70283b201cf5d29539611b1b0ee3289f7d66e17988794164c36d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e331d0d340b70283b201cf5d29539611b1b0ee3289f7d66e17988794164c36d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e331d0d340b70283b201cf5d29539611b1b0ee3289f7d66e17988794164c36d4", kill_on_drop: false }`
[INFO] [stdout] e331d0d340b70283b201cf5d29539611b1b0ee3289f7d66e17988794164c36d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb456e2669cbda755f6339df22b7c66ef34a956ad3bb29defec42bb772562ff
[INFO] running `Command { std: "docker" "start" "-a" "0bb456e2669cbda755f6339df22b7c66ef34a956ad3bb29defec42bb772562ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[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 v0.1.7
[INFO] [stderr]    Compiling samplers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "0bb456e2669cbda755f6339df22b7c66ef34a956ad3bb29defec42bb772562ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb456e2669cbda755f6339df22b7c66ef34a956ad3bb29defec42bb772562ff", kill_on_drop: false }`
[INFO] [stdout] 0bb456e2669cbda755f6339df22b7c66ef34a956ad3bb29defec42bb772562ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efd060478bb42e445155d256e9c3b94d3eeb6facdee5a4d39204725239a932b
[INFO] running `Command { std: "docker" "start" "-a" "2efd060478bb42e445155d256e9c3b94d3eeb6facdee5a4d39204725239a932b", kill_on_drop: false }`
[INFO] [stderr]    Compiling samplers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/samplers-a04c8792c46e7ee7)
[INFO] running `Command { std: "docker" "inspect" "2efd060478bb42e445155d256e9c3b94d3eeb6facdee5a4d39204725239a932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efd060478bb42e445155d256e9c3b94d3eeb6facdee5a4d39204725239a932b", kill_on_drop: false }`
[INFO] [stdout] 2efd060478bb42e445155d256e9c3b94d3eeb6facdee5a4d39204725239a932b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4f738e14fa4df58ec8e6e2cd4b80d86aac1646c663a950bf08a5e3a75cccbbb
[INFO] running `Command { std: "docker" "start" "-a" "c4f738e14fa4df58ec8e6e2cd4b80d86aac1646c663a950bf08a5e3a75cccbbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/samplers-a04c8792c46e7ee7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test summary::test_mean ... ok
[INFO] [stdout] test summary::test_variance ... ok
[INFO] [stdout] test summary::test_distribution_summary ... ok
[INFO] [stdout] test summary::test_central_moments_summary ... ok
[INFO] [stdout] test histogram::test_histogram ... ok
[INFO] [stdout] test histogram::test_linspace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4f738e14fa4df58ec8e6e2cd4b80d86aac1646c663a950bf08a5e3a75cccbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f738e14fa4df58ec8e6e2cd4b80d86aac1646c663a950bf08a5e3a75cccbbb", kill_on_drop: false }`
[INFO] [stdout] c4f738e14fa4df58ec8e6e2cd4b80d86aac1646c663a950bf08a5e3a75cccbbb