[INFO] fetching crate r-gen 0.0.2...
[INFO] testing r-gen-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate r-gen 0.0.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate r-gen 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r-gen 0.0.2
[INFO] finished tweaking crates.io crate r-gen 0.0.2
[INFO] tweaked toml for crates.io crate r-gen 0.0.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] [stderr]   Downloaded probability v0.17.0
[INFO] [stderr]   Downloaded statrs v0.13.0
[INFO] [stderr]   Downloaded nalgebra v0.19.0
[INFO] [stderr]   Downloaded r-gen-macro v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea410641bdf05778ce99cefc8b72946dbaca904ff6b6978aa3cb5b42e133d5e
[INFO] running `Command { std: "docker" "start" "-a" "eea410641bdf05778ce99cefc8b72946dbaca904ff6b6978aa3cb5b42e133d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea410641bdf05778ce99cefc8b72946dbaca904ff6b6978aa3cb5b42e133d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea410641bdf05778ce99cefc8b72946dbaca904ff6b6978aa3cb5b42e133d5e", kill_on_drop: false }`
[INFO] [stdout] eea410641bdf05778ce99cefc8b72946dbaca904ff6b6978aa3cb5b42e133d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898c7a8d62f5bb8f2143f903720a39f11960f2ad01b7871775ac1ad11c0b017c
[INFO] running `Command { std: "docker" "start" "-a" "898c7a8d62f5bb8f2143f903720a39f11960f2ad01b7871775ac1ad11c0b017c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling r-gen-macro v0.0.1
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling probability v0.17.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling r-gen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `Command { std: "docker" "inspect" "898c7a8d62f5bb8f2143f903720a39f11960f2ad01b7871775ac1ad11c0b017c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898c7a8d62f5bb8f2143f903720a39f11960f2ad01b7871775ac1ad11c0b017c", kill_on_drop: false }`
[INFO] [stdout] 898c7a8d62f5bb8f2143f903720a39f11960f2ad01b7871775ac1ad11c0b017c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da0a537b42cbaa69001657ce952c4eabaa29ddb50494617ca802e5bfce86afea
[INFO] running `Command { std: "docker" "start" "-a" "da0a537b42cbaa69001657ce952c4eabaa29ddb50494617ca802e5bfce86afea", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-gen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "da0a537b42cbaa69001657ce952c4eabaa29ddb50494617ca802e5bfce86afea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0a537b42cbaa69001657ce952c4eabaa29ddb50494617ca802e5bfce86afea", kill_on_drop: false }`
[INFO] [stdout] da0a537b42cbaa69001657ce952c4eabaa29ddb50494617ca802e5bfce86afea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a07d4eacf1daa9f3b209f2bc9192dc2d4aaaefa06ec6cee87ceb8247158401b
[INFO] running `Command { std: "docker" "start" "-a" "8a07d4eacf1daa9f3b209f2bc9192dc2d4aaaefa06ec6cee87ceb8247158401b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_gen-fa9fe4ebc5a82e5d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_generate ... ok
[INFO] [stdout] test tests::test_bernoulli ... ok
[INFO] [stdout] test tests::test_simulate ... ok
[INFO] [stdout] test tests::test_trace_string ... ok
[INFO] [stdout] test tests::test_macros ... ok
[INFO] [stdout] test tests::test_normal ... ok
[INFO] [stdout] test tests::test_binom ... ok
[INFO] [stdout] test tests::test_importance_resampling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r-gen
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/trace.rs - trace::Choicemap::from (line 31) ... ok
[INFO] [stdout] test src/trace.rs - trace::Choicemap::add_choice (line 44) ... ok
[INFO] [stdout] test src/lib.rs - simulate (line 286) ... ok
[INFO] [stdout] test src/trace.rs - trace::Choicemap::new (line 19) ... ok
[INFO] [stdout] test src/trace.rs - trace::Trace::get_trace_string (line 117) ... ok
[INFO] [stdout] test src/lib.rs - generate (line 327) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 50) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a07d4eacf1daa9f3b209f2bc9192dc2d4aaaefa06ec6cee87ceb8247158401b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a07d4eacf1daa9f3b209f2bc9192dc2d4aaaefa06ec6cee87ceb8247158401b", kill_on_drop: false }`
[INFO] [stdout] 8a07d4eacf1daa9f3b209f2bc9192dc2d4aaaefa06ec6cee87ceb8247158401b