[INFO] fetching crate qcheck 1.0.0...
[INFO] testing qcheck-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate qcheck 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate qcheck 1.0.0
[INFO] finished tweaking crates.io crate qcheck 1.0.0
[INFO] tweaked toml for crates.io crate qcheck 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qcheck 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qcheck 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded qcheck-macros v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cae487855a781f4a2fe37ae679efc7c082de15e653365abf8201f7eba3a819b
[INFO] running `Command { std: "docker" "start" "-a" "1cae487855a781f4a2fe37ae679efc7c082de15e653365abf8201f7eba3a819b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cae487855a781f4a2fe37ae679efc7c082de15e653365abf8201f7eba3a819b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cae487855a781f4a2fe37ae679efc7c082de15e653365abf8201f7eba3a819b", kill_on_drop: false }`
[INFO] [stdout] 1cae487855a781f4a2fe37ae679efc7c082de15e653365abf8201f7eba3a819b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f81786d85b3864bbe20a182799ae341832a1222ec80131f1da49f6b4bc6257f
[INFO] running `Command { std: "docker" "start" "-a" "3f81786d85b3864bbe20a182799ae341832a1222ec80131f1da49f6b4bc6257f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling qcheck v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AShow` is never used
[INFO] [stdout]    --> src/tester.rs:420:7
[INFO] [stdout]     |
[INFO] [stdout] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "3f81786d85b3864bbe20a182799ae341832a1222ec80131f1da49f6b4bc6257f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f81786d85b3864bbe20a182799ae341832a1222ec80131f1da49f6b4bc6257f", kill_on_drop: false }`
[INFO] [stdout] 3f81786d85b3864bbe20a182799ae341832a1222ec80131f1da49f6b4bc6257f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbce298362b69f3f6fb984e68a5b8dd3c06a947bd6b71bc4c849989f5b1e1829
[INFO] running `Command { std: "docker" "start" "-a" "fbce298362b69f3f6fb984e68a5b8dd3c06a947bd6b71bc4c849989f5b1e1829", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stdout] warning: trait `AShow` is never used
[INFO] [stdout]    --> src/tester.rs:420:7
[INFO] [stdout]     |
[INFO] [stdout] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qcheck-macros v1.0.0
[INFO] [stderr]    Compiling qcheck v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AShow` is never used
[INFO] [stdout]    --> src/tester.rs:420:7
[INFO] [stdout]     |
[INFO] [stdout] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `Command { std: "docker" "inspect" "fbce298362b69f3f6fb984e68a5b8dd3c06a947bd6b71bc4c849989f5b1e1829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbce298362b69f3f6fb984e68a5b8dd3c06a947bd6b71bc4c849989f5b1e1829", kill_on_drop: false }`
[INFO] [stdout] fbce298362b69f3f6fb984e68a5b8dd3c06a947bd6b71bc4c849989f5b1e1829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6bda1665aecb73d9d8acb70804579f2bcd49afeb8a91ffd6cc01d3435f4fa97
[INFO] running `Command { std: "docker" "start" "-a" "f6bda1665aecb73d9d8acb70804579f2bcd49afeb8a91ffd6cc01d3435f4fa97", kill_on_drop: false }`
[INFO] [stderr] warning: trait `AShow` is never used
[INFO] [stderr]    --> src/tester.rs:420:7
[INFO] [stderr]     |
[INFO] [stderr] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `qcheck` (lib) generated 1 warning
[INFO] [stderr] warning: `qcheck` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qcheck-b4f564ac158ab7e2)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test arbitrary::test::arby_unit ... ok
[INFO] [stdout] test arbitrary::test::bounds ... ok
[INFO] [stdout] test arbitrary::test::chars ... ok
[INFO] [stdout] test arbitrary::test::binaryheaps ... ok
[INFO] [stdout] test arbitrary::test::floats32 ... ok
[INFO] [stdout] test arbitrary::test::hashmap ... ok
[INFO] [stdout] test arbitrary::test::bools ... ok
[INFO] [stdout] test arbitrary::test::floats64 ... ok
[INFO] [stdout] test arbitrary::test::arrays ... ok
[INFO] [stdout] test arbitrary::test::btreemap ... ok
[INFO] [stdout] test arbitrary::test::ints16 ... ok
[INFO] [stdout] test arbitrary::test::ints64 ... ok
[INFO] [stdout] test arbitrary::test::ints32 ... ok
[INFO] [stdout] test arbitrary::test::ints8 ... ok
[INFO] [stdout] test arbitrary::test::ints ... ok
[INFO] [stdout] test arbitrary::test::btreesets ... ok
[INFO] [stdout] test arbitrary::test::ints128 ... ok
[INFO] [stdout] test arbitrary::test::hashsets ... ok
[INFO] [stdout] test arbitrary::test::quads ... ok
[INFO] [stdout] test arbitrary::test::arby_int ... ok
[INFO] [stdout] test arbitrary::test::results ... ok
[INFO] [stdout] test arbitrary::test::uints128 ... ok
[INFO] [stdout] test arbitrary::test::uints16 ... ok
[INFO] [stdout] test arbitrary::test::uints8 ... ok
[INFO] [stdout] test arbitrary::test::uints64 ... ok
[INFO] [stdout] test arbitrary::test::linkedlists ... ok
[INFO] [stdout] test arbitrary::test::arby_float ... ok
[INFO] [stdout] test arbitrary::test::uints32 ... ok
[INFO] [stdout] test arbitrary::test::options ... ok
[INFO] [stdout] test arbitrary::test::triples ... ok
[INFO] [stdout] test arbitrary::test::ranges ... ok
[INFO] [stdout] test arbitrary::test::pathbuf ... ok
[INFO] [stdout] test arbitrary::test::arby_uint ... ok
[INFO] [stdout] test arbitrary::test::tuples ... ok
[INFO] [stdout] test arbitrary::test::vecdeques ... ok
[INFO] [stdout] test arbitrary::test::wrapping_ints32 ... ok
[INFO] [stdout] test tester::test::shrinking_regression_issue_126 ... ok
[INFO] [stdout] test tester::test::regression_signed_shrinker_panic ... ok
[INFO] [stdout] test tests::max ... ok
[INFO] [stdout] test arbitrary::test::vecs ... ok
[INFO] [stdout] test tester::test::size_for_small_types_issue_143 ... ok
[INFO] [stdout] test tests::cstring ... ok
[INFO] [stdout] test tests::regression_issue_83 ... ok
[INFO] [stdout] test tests::prop_reverse_reverse ... ok
[INFO] [stdout] test tests::regression_issue_83_signed ... ok
[INFO] [stdout] test tests::prop_reverse_reverse_macro ... ok
[INFO] [stdout] test tests::basic_hashmap ... ok
[INFO] [stdout] test tests::basic_hashset ... ok
[INFO] [stdout] test tests::all_tests_discarded_min_tests_passed_missing ... ok
[INFO] [stdout] test tests::sort ... ok
[INFO] [stdout] test tests::substitute_hashmap ... ok
[INFO] [stdout] test tests::testable_result ... ok
[INFO] [stdout] test tests::substitute_hashset ... ok
[INFO] [stdout] test tests::testable_unit ... ok
[INFO] [stdout] test tests::reverse_app ... ok
[INFO] [stdout] test arbitrary::test::unit ... ok
[INFO] [stdout] test arbitrary::test::uints ... ok
[INFO] [stdout] test tests::reverse_single ... ok
[INFO] [stdout] test tests::pathbuf ... ok
[INFO] [stdout] test tests::panic_msg_1 - should panic ... ok
[INFO] [stdout] test tests::regression_issue_107_hang - should panic ... ok
[INFO] [stdout] test tests::sieve_not_prime - should panic ... ok
[INFO] [stdout] test tests::all_tests_discarded_min_tests_passed_set - should panic ... ok
[INFO] [stdout] test tests::testable_result_err - should panic ... ok
[INFO] [stdout] test tests::testable_unit_panic ... ok
[INFO] [stdout] test tests::sieve_not_all_primes - should panic ... ok
[INFO] [stdout] test tests::prop_macro_panic - should panic ... ok
[INFO] [stdout] test tests::panic_msg_3 - should panic ... ok
[INFO] [stdout] test tests::prop_oob ... ok
[INFO] [stdout] test tests::panic_msg_2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-f9ebd0297bed65e4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test static_bool ... ok
[INFO] [stdout] test static_bool_test_is_function ... ok
[INFO] [stdout] test min ... ok
[INFO] [stdout] test fail_static_bool - should panic ... ok
[INFO] [stdout] test fail_fn - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qcheck
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/tester.rs - tester::QuickCheck::quickcheck (line 147) ... ok
[INFO] [stdout] test src/lib.rs - quickcheck (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6bda1665aecb73d9d8acb70804579f2bcd49afeb8a91ffd6cc01d3435f4fa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bda1665aecb73d9d8acb70804579f2bcd49afeb8a91ffd6cc01d3435f4fa97", kill_on_drop: false }`
[INFO] [stdout] f6bda1665aecb73d9d8acb70804579f2bcd49afeb8a91ffd6cc01d3435f4fa97