[INFO] fetching crate arbitrary 0.4.7...
[INFO] testing arbitrary-0.4.7 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate arbitrary 0.4.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate arbitrary 0.4.7 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbitrary 0.4.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 0.4.7
[INFO] tweaked toml for crates.io crate arbitrary 0.4.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 0.4.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8016f5872a92469c673faa60e8e7eae8e1247bea58905ef488697f3ecfd28405
[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" "8016f5872a92469c673faa60e8e7eae8e1247bea58905ef488697f3ecfd28405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8016f5872a92469c673faa60e8e7eae8e1247bea58905ef488697f3ecfd28405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8016f5872a92469c673faa60e8e7eae8e1247bea58905ef488697f3ecfd28405", kill_on_drop: false }`
[INFO] [stdout] 8016f5872a92469c673faa60e8e7eae8e1247bea58905ef488697f3ecfd28405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 565df94d26718bf3d750f31ff515a8b698dd29501c4d4d14edb48bb307733b96
[INFO] running `Command { std: "docker" "start" "-a" "565df94d26718bf3d750f31ff515a8b698dd29501c4d4d14edb48bb307733b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "565df94d26718bf3d750f31ff515a8b698dd29501c4d4d14edb48bb307733b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565df94d26718bf3d750f31ff515a8b698dd29501c4d4d14edb48bb307733b96", kill_on_drop: false }`
[INFO] [stdout] 565df94d26718bf3d750f31ff515a8b698dd29501c4d4d14edb48bb307733b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 858a7bc6ec2860b2a8275e18c646bfc1cb50eb40491f96ff967f1df509acdf89
[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" "858a7bc6ec2860b2a8275e18c646bfc1cb50eb40491f96ff967f1df509acdf89", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "858a7bc6ec2860b2a8275e18c646bfc1cb50eb40491f96ff967f1df509acdf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858a7bc6ec2860b2a8275e18c646bfc1cb50eb40491f96ff967f1df509acdf89", kill_on_drop: false }`
[INFO] [stdout] 858a7bc6ec2860b2a8275e18c646bfc1cb50eb40491f96ff967f1df509acdf89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 15361361f5d0bd07c400e7fde904467d585d846d54e3cd605f3f18d328ee1c63
[INFO] running `Command { std: "docker" "start" "-a" "15361361f5d0bd07c400e7fde904467d585d846d54e3cd605f3f18d328ee1c63", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arbitrary-0a26be1e1b8a623d
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test test::arbitrary_collection ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test test::arbitrary_take_rest ... ok
[INFO] [stdout] test test::finite_buffer_fill_buffer ... ok
[INFO] [stdout] test test::size_hint_for_tuples ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/path-00aafd3be96b28db
[INFO] [stdout] test test::shrink_string ... ok
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test test::shrink_tuple ... ok
[INFO] [stdout] test test::shrink_array ... ok
[INFO] [stdout] test test::arbitrary_for_integers ... ok
[INFO] [stdout] test test::shrink_vec ... ok
[INFO] [stdout] test test::shrink_cstring ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arbitrary
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Arbitrary::arbitrary (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 112) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::new (line 79) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::is_empty (line 117) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 84) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary_len (line 185) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured (line 44) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::int_in_range (line 280) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 356) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::get_bytes (line 417) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::take_rest (line 466) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::peek_bytes (line 444) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::fill_buffer (line 387) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::len (line 93) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::size_hint (line 225) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15361361f5d0bd07c400e7fde904467d585d846d54e3cd605f3f18d328ee1c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15361361f5d0bd07c400e7fde904467d585d846d54e3cd605f3f18d328ee1c63", kill_on_drop: false }`
[INFO] [stdout] 15361361f5d0bd07c400e7fde904467d585d846d54e3cd605f3f18d328ee1c63