[INFO] fetching crate rand_mt 4.0.0...
[INFO] testing rand_mt-4.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rand_mt 4.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rand_mt 4.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_mt 4.0.0
[INFO] finished tweaking crates.io crate rand_mt 4.0.0
[INFO] tweaked toml for crates.io crate rand_mt 4.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 053a2bd62f6f38876abe4a11b87d99bbfbb26c1804804cd0477d537364c24df2
[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" "053a2bd62f6f38876abe4a11b87d99bbfbb26c1804804cd0477d537364c24df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "053a2bd62f6f38876abe4a11b87d99bbfbb26c1804804cd0477d537364c24df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053a2bd62f6f38876abe4a11b87d99bbfbb26c1804804cd0477d537364c24df2", kill_on_drop: false }`
[INFO] [stdout] 053a2bd62f6f38876abe4a11b87d99bbfbb26c1804804cd0477d537364c24df2
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 6856a140cea5299029da1839225e0e618e7dc06de7c14f165453c62041a5bb2c
[INFO] running `Command { std: "docker" "start" "-a" "6856a140cea5299029da1839225e0e618e7dc06de7c14f165453c62041a5bb2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_mt v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "6856a140cea5299029da1839225e0e618e7dc06de7c14f165453c62041a5bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6856a140cea5299029da1839225e0e618e7dc06de7c14f165453c62041a5bb2c", kill_on_drop: false }`
[INFO] [stdout] 6856a140cea5299029da1839225e0e618e7dc06de7c14f165453c62041a5bb2c
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d6f3f3077977db35d1d1aeb90c2134033286ad85d5884ff9954e046ffbd61d
[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" "25d6f3f3077977db35d1d1aeb90c2134033286ad85d5884ff9954e046ffbd61d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling rand_mt v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "25d6f3f3077977db35d1d1aeb90c2134033286ad85d5884ff9954e046ffbd61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d6f3f3077977db35d1d1aeb90c2134033286ad85d5884ff9954e046ffbd61d", kill_on_drop: false }`
[INFO] [stdout] 25d6f3f3077977db35d1d1aeb90c2134033286ad85d5884ff9954e046ffbd61d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3da6335283f759c9a7acbf1993649de80cc66e4781776fda5c4a7a346ba70e4
[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" "c3da6335283f759c9a7acbf1993649de80cc66e4781776fda5c4a7a346ba70e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rand_mt-946e51652c2a5c98
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test mt64::tests::seeded_state_from_u64_seed ... ok
[INFO] [stdout] test mt::rand::tests::output_from_u32_slice_key ... ok
[INFO] [stdout] test mt::tests::output_from_u32_slice_key ... ok
[INFO] [stdout] test mt64::rand::tests::seeded_state_from_u64_seed ... ok
[INFO] [stdout] test mt64::rand::tests::output_from_u64_slice_key ... ok
[INFO] [stdout] test mt64::tests::recover_required_exact_sample_length_via_from ... ok
[INFO] [stdout] test mt64::tests::seed_with_empty_iter_returns ... ok
[INFO] [stdout] test mt::tests::seeded_state_from_u32_seed ... ok
[INFO] [stdout] test mt::rand::tests::seeded_state_from_u32_seed ... ok
[INFO] [stdout] test mt::tests::recover_required_exact_sample_length_via_from ... ok
[INFO] [stdout] test mt::tests::seeded_state_from_u32_slice_key ... ok
[INFO] [stdout] test mt64::tests::recover_required_exact_sample_length_via_recover ... ok
[INFO] [stdout] test mt::tests::seed_with_empty_iter_returns ... ok
[INFO] [stdout] test mt::tests::recover_required_exact_sample_length_via_recover ... ok
[INFO] [stdout] test mt64::tests::output_from_u64_slice_key ... ok
[INFO] [stdout] test mt64::tests::seeded_state_from_u64_slice_key ... ok
[INFO] [stdout] test mt::tests::untemper_temper_is_identity ... ok
[INFO] [stdout] test mt64::tests::temper_untemper_is_identity ... ok
[INFO] [stdout] test mt64::tests::untemper_temper_is_identity ... ok
[INFO] [stdout] test mt::tests::temper_untemper_is_identity ... ok
[INFO] [stdout] test mt64::tests::recovery_via_from ... ok
[INFO] [stdout] test mt64::tests::recovery_via_recover ... ok
[INFO] [stdout] test mt::tests::recovery_via_from ... ok
[INFO] [stdout] test mt::tests::recovery_via_recover ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.46s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-1a2f0bc2165a4b34
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_mt
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::from (line 80) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32 (line 43) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::new_unseeded (line 224) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::fill_bytes (line 292) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::next_u64 (line 245) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::from (line 90) ... ok
[INFO] [stdout] test src/mt/rand.rs - mt::rand::Mt19937GenRand32::fill_bytes (line 85) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::next_u32 (line 264) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::new (line 183) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::reseed (line 364) ... ok
[INFO] [stdout] test src/lib.rs - readme (line 135) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/mt.rs - mt::Mt19937GenRand32::new (line 173) ... ok
[INFO] [stdout] test src/mt/rand.rs - mt::rand::Mt19937GenRand32::next_u64 (line 38) ... ok
[INFO] [stdout] test src/mt/rand.rs - mt::rand::Mt19937GenRand32::from_seed (line 12) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::from (line 75) ... ok
[INFO] [stdout] test src/mt/rand.rs - mt::rand::Mt19937GenRand32::try_fill_bytes (line 118) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::fill_bytes (line 275) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::new_unseeded (line 208) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::next_u32 (line 254) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64 (line 41) ... ok
[INFO] [stdout] test src/mt/rand.rs - mt::rand::Mt19937GenRand32::next_u32 (line 60) ... ok
[INFO] [stdout] test src/mt64/rand.rs - mt64::rand::Mt19937GenRand64::from_seed (line 12) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::new (line 167) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::reseed (line 347) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::new (line 157) ... ok
[INFO] [stdout] test src/mt64/rand.rs - mt64::rand::Mt19937GenRand64::next_u32 (line 56) ... ok
[INFO] [stdout] test src/mt64/rand.rs - mt64::rand::Mt19937GenRand64::fill_bytes (line 81) ... ok
[INFO] [stdout] test src/mt64.rs - mt64::Mt19937GenRand64::next_u64 (line 229) ... ok
[INFO] [stdout] test src/mt64/rand.rs - mt64::rand::Mt19937GenRand64::next_u64 (line 34) ... ok
[INFO] [stdout] test src/mt64/rand.rs - mt64::rand::Mt19937GenRand64::try_fill_bytes (line 114) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3da6335283f759c9a7acbf1993649de80cc66e4781776fda5c4a7a346ba70e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3da6335283f759c9a7acbf1993649de80cc66e4781776fda5c4a7a346ba70e4", kill_on_drop: false }`
[INFO] [stdout] c3da6335283f759c9a7acbf1993649de80cc66e4781776fda5c4a7a346ba70e4