[INFO] fetching crate rvs 0.5.0...
[INFO] testing rvs-0.5.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rvs 0.5.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate rvs 0.5.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rvs 0.5.0
[INFO] finished tweaking crates.io crate rvs 0.5.0
[INFO] tweaked toml for crates.io crate rvs 0.5.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e30affe428f1576731ba4acc213b1024fed9c604e0d099ffefb30a38ccbe1a
[INFO] running `Command { std: "docker" "start" "-a" "88e30affe428f1576731ba4acc213b1024fed9c604e0d099ffefb30a38ccbe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e30affe428f1576731ba4acc213b1024fed9c604e0d099ffefb30a38ccbe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e30affe428f1576731ba4acc213b1024fed9c604e0d099ffefb30a38ccbe1a", kill_on_drop: false }`
[INFO] [stdout] 88e30affe428f1576731ba4acc213b1024fed9c604e0d099ffefb30a38ccbe1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3b59049e226656d40bfee765631d36734fba61aeb7c57237d2d6913b1de6cc
[INFO] running `Command { std: "docker" "start" "-a" "ec3b59049e226656d40bfee765631d36734fba61aeb7c57237d2d6913b1de6cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling rvs-parser v0.5.0
[INFO] [stderr]    Compiling rvs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "ec3b59049e226656d40bfee765631d36734fba61aeb7c57237d2d6913b1de6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3b59049e226656d40bfee765631d36734fba61aeb7c57237d2d6913b1de6cc", kill_on_drop: false }`
[INFO] [stdout] ec3b59049e226656d40bfee765631d36734fba61aeb7c57237d2d6913b1de6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e08db151606cf663210798bd3671cb3ef806c205e04abdce4d7ee4d47c2d88ac
[INFO] running `Command { std: "docker" "start" "-a" "e08db151606cf663210798bd3671cb3ef806c205e04abdce4d7ee4d47c2d88ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rvs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "e08db151606cf663210798bd3671cb3ef806c205e04abdce4d7ee4d47c2d88ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08db151606cf663210798bd3671cb3ef806c205e04abdce4d7ee4d47c2d88ac", kill_on_drop: false }`
[INFO] [stdout] e08db151606cf663210798bd3671cb3ef806c205e04abdce4d7ee4d47c2d88ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b22985286a6cc696ba0bed9dfd404357ebfafa0b5b566645237f6f7c65708d0
[INFO] running `Command { std: "docker" "start" "-a" "6b22985286a6cc696ba0bed9dfd404357ebfafa0b5b566645237f6f7c65708d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rvs-023d24cf9901c17b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test types::range::tests::range::full_range ... ignored
[INFO] [stdout] test types::weighted::tests::test_populate_pool ... ok
[INFO] [stdout] test types::range::tests::range::max_max ... ok
[INFO] [stdout] test types::range::tests::range::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-fedb7ad7d3bd6687)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test precendence ... ok
[INFO] [stdout] test multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/done.rs (/opt/rustwide/target/debug/deps/done-209f708b50687bd8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test done_causes_advance_to_next_subexpr ... ok
[INFO] [stdout] test done_defaults_to_false ... ok
[INFO] [stdout] test always_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lazyness.rs (/opt/rustwide/target/debug/deps/lazyness-4fcb847e22d7c773)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/once.rs (/opt/rustwide/target/debug/deps/once-b05db6b1346e6e3b)
[INFO] [stdout] test type_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test done_defaults_to_false ... ok
[INFO] [stdout] test yields_constant_value_and_always_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operations.rs (/opt/rustwide/target/debug/deps/operations-6d2557fda270f316)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test overflow_add ... ok
[INFO] [stdout] test overflow_mul ... ok
[INFO] [stdout] test overflow_neg ... ok
[INFO] [stdout] test overflow_shl ... ok
[INFO] [stdout] test overflow_sub ... ok
[INFO] [stdout] test overflow_shr ... ok
[INFO] [stdout] test yields_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parse.rs (/opt/rustwide/target/debug/deps/parse-926e2da9375ce0b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/pattern.rs (/opt/rustwide/target/debug/deps/pattern-ac0fa7a1825912a7)
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test yields_a_repeating_pattern ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/range.rs (/opt/rustwide/target/debug/deps/range-678d7b48aa92a4ba)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-edb06f6f29961a10)
[INFO] [stdout] test done_after_each_next ... ok
[INFO] [stdout] test equal_limits ... ok
[INFO] [stdout] test reverse_limits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/repl.rs (/opt/rustwide/target/debug/deps/repl-4e35748963461f29)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/sample_with_replacement.rs (/opt/rustwide/target/debug/deps/sample_with_replacement-550f15079677d21b)
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sample_without_replacement.rs (/opt/rustwide/target/debug/deps/sample_without_replacement-7b122cc1432be045)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test done_when_sub_expr_done ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test done_when_all_done ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] test done_when_all_done2 ... ok
[INFO] [stderr]      Running tests/sequence.rs (/opt/rustwide/target/debug/deps/sequence-f66763f2ea4bba24)
[INFO] [stdout] test yields_each_value_once_per_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decrement ... ok
[INFO] [stdout] test first_last_increment ... ok
[INFO] [stdout] test args_evaluated_every_cycle ... ok
[INFO] [stdout] test first_last ... ok
[INFO] [stdout] test increment_skips_last ... ok
[INFO] [stdout] test last ... ok
[INFO] [stdout] test negative_increment_skips_last ... ok
[INFO] [stdout] test zero_last ... ok
[INFO] [stdout] test zero_increment - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/variables_in_expressions.rs (/opt/rustwide/target/debug/deps/variables_in_expressions-f54f1045a8b7ae9b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test copy ... ok
[INFO] [stdout] test next_pattern ... ok
[INFO] [stdout] test copy_pattern ... ok
[INFO] [stdout] test next_done ... ok
[INFO] [stderr]      Running tests/weighted_sample_with_replacement.rs (/opt/rustwide/target/debug/deps/weighted_sample_with_replacement-f1ee7ed3eadda1cd)
[INFO] [stdout] test next ... ok
[INFO] [stdout] test prev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test distribution ... ok
[INFO] [stdout] test done_when_sub_expr_done ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/weighted_sample_without_replacement.rs (/opt/rustwide/target/debug/deps/weighted_sample_without_replacement-26c6c841aed9dce1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rvs
[INFO] [stdout] test distribution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b22985286a6cc696ba0bed9dfd404357ebfafa0b5b566645237f6f7c65708d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b22985286a6cc696ba0bed9dfd404357ebfafa0b5b566645237f6f7c65708d0", kill_on_drop: false }`
[INFO] [stdout] 6b22985286a6cc696ba0bed9dfd404357ebfafa0b5b566645237f6f7c65708d0
