[INFO] fetching crate weighted_rand 0.3.2...
[INFO] testing weighted_rand-0.3.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate weighted_rand 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate weighted_rand 0.3.2 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 crates.io crate weighted_rand 0.3.2
[INFO] finished tweaking crates.io crate weighted_rand 0.3.2
[INFO] tweaked toml for crates.io crate weighted_rand 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate weighted_rand 0.3.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 0c05de05a8e89b07fc7cb5375aa53b2dcf5376d096e807b7fbdbf71512fe2496
[INFO] running `Command { std: "docker" "start" "-a" "0c05de05a8e89b07fc7cb5375aa53b2dcf5376d096e807b7fbdbf71512fe2496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c05de05a8e89b07fc7cb5375aa53b2dcf5376d096e807b7fbdbf71512fe2496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c05de05a8e89b07fc7cb5375aa53b2dcf5376d096e807b7fbdbf71512fe2496", kill_on_drop: false }`
[INFO] [stdout] 0c05de05a8e89b07fc7cb5375aa53b2dcf5376d096e807b7fbdbf71512fe2496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38331dab6d28fe1f484c2226932dde5667e7c516b3304f667f63e3b25a97b2a0
[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" "38331dab6d28fe1f484c2226932dde5667e7c516b3304f667f63e3b25a97b2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling weighted_rand v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.75s
[INFO] running `Command { std: "docker" "inspect" "38331dab6d28fe1f484c2226932dde5667e7c516b3304f667f63e3b25a97b2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38331dab6d28fe1f484c2226932dde5667e7c516b3304f667f63e3b25a97b2a0", kill_on_drop: false }`
[INFO] [stdout] 38331dab6d28fe1f484c2226932dde5667e7c516b3304f667f63e3b25a97b2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cdf65e995750937fac61f61a79cf2a841f5fc4959b6703dcecd595c9b1c4d53
[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" "2cdf65e995750937fac61f61a79cf2a841f5fc4959b6703dcecd595c9b1c4d53", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling weighted_rand v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.65s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/weighted_rand-8b4a300352ac3b55)
[INFO] running `Command { std: "docker" "inspect" "2cdf65e995750937fac61f61a79cf2a841f5fc4959b6703dcecd595c9b1c4d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdf65e995750937fac61f61a79cf2a841f5fc4959b6703dcecd595c9b1c4d53", kill_on_drop: false }`
[INFO] [stdout] 2cdf65e995750937fac61f61a79cf2a841f5fc4959b6703dcecd595c9b1c4d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 02514a016b19b7833f4e36e5aa016228d9866748b780f417ab83e3b3db58a169
[INFO] running `Command { std: "docker" "start" "-a" "02514a016b19b7833f4e36e5aa016228d9866748b780f417ab83e3b3db58a169", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weighted_rand-8b4a300352ac3b55)
[INFO] [stdout] test builder::builder_test::make_table_from_f32 ... ok
[INFO] [stdout] test builder::builder_test::make_table_from_u32 ... ok
[INFO] [stdout] test util::math_test::gcd_pattern_1 ... ok
[INFO] [stdout] test util::math_test::gcd_pattern_2 ... ok
[INFO] [stdout] test util::math_test::gcd_pattern_4 ... ok
[INFO] [stdout] test builder::builder_test::when_sum_is_zero ... ok
[INFO] [stdout] test util::math_test::gcd_pattern_3 ... ok
[INFO] [stdout] test table::table_test::unweighted_random_sampling ... ok
[INFO] [stdout] test table::table_test::weighted_random_sampling ... ok
[INFO] [stderr]    Doc-tests weighted_rand
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/builder.rs - builder::WalkerTableBuilder (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02514a016b19b7833f4e36e5aa016228d9866748b780f417ab83e3b3db58a169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02514a016b19b7833f4e36e5aa016228d9866748b780f417ab83e3b3db58a169", kill_on_drop: false }`
[INFO] [stdout] 02514a016b19b7833f4e36e5aa016228d9866748b780f417ab83e3b3db58a169