[INFO] fetching crate arbitrary 1.0.3...
[INFO] testing arbitrary-1.0.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate arbitrary 1.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate arbitrary 1.0.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbitrary 1.0.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 1.0.3
[INFO] tweaked toml for crates.io crate arbitrary 1.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 953f63e52b89091069dd4d465796cb90b06d30b5324ccf50c2a14c82a6e6b4c8
[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" "953f63e52b89091069dd4d465796cb90b06d30b5324ccf50c2a14c82a6e6b4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953f63e52b89091069dd4d465796cb90b06d30b5324ccf50c2a14c82a6e6b4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953f63e52b89091069dd4d465796cb90b06d30b5324ccf50c2a14c82a6e6b4c8", kill_on_drop: false }`
[INFO] [stdout] 953f63e52b89091069dd4d465796cb90b06d30b5324ccf50c2a14c82a6e6b4c8
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd6b8ba4b1bb32b96ccb7b7291ac9708a2036273f010431096f2c419b808cb0f
[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" "cd6b8ba4b1bb32b96ccb7b7291ac9708a2036273f010431096f2c419b808cb0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "cd6b8ba4b1bb32b96ccb7b7291ac9708a2036273f010431096f2c419b808cb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6b8ba4b1bb32b96ccb7b7291ac9708a2036273f010431096f2c419b808cb0f", kill_on_drop: false }`
[INFO] [stdout] cd6b8ba4b1bb32b96ccb7b7291ac9708a2036273f010431096f2c419b808cb0f
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ef4d562a9d0e5db98d862754f5a70828dfa28f8f66bbbf54e0af53bc684529
[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" "84ef4d562a9d0e5db98d862754f5a70828dfa28f8f66bbbf54e0af53bc684529", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "84ef4d562a9d0e5db98d862754f5a70828dfa28f8f66bbbf54e0af53bc684529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ef4d562a9d0e5db98d862754f5a70828dfa28f8f66bbbf54e0af53bc684529", kill_on_drop: false }`
[INFO] [stdout] 84ef4d562a9d0e5db98d862754f5a70828dfa28f8f66bbbf54e0af53bc684529
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 3f21930ea5aeaf501024e5c6fc727c334899cc92ac2ed432af9149fd38dfa227
[INFO] running `Command { std: "docker" "start" "-a" "3f21930ea5aeaf501024e5c6fc727c334899cc92ac2ed432af9149fd38dfa227", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbitrary-85a8c512a46cdcf9)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] test test::arbitrary_for_bytes ... ok
[INFO] [stdout] test test::arbitrary_for_integers ... ok
[INFO] [stdout] test test::arbitrary_take_rest_for_bytes ... ok
[INFO] [stdout] test test::finite_buffer_fill_buffer ... ok
[INFO] [stdout] test test::size_hint_for_tuples ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_uses_minimal_amount_of_bytes ... ok
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test test::arbitrary_collection ... ok
[INFO] [stdout] test test::arbitrary_take_rest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/path.rs (/opt/rustwide/target/debug/deps/path-39f9215ec3664815)
[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] [stderr]    Doc-tests arbitrary
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary (line 144) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::is_empty (line 117) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::size_hint (line 218) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 77) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured (line 44) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary_len (line 185) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 367) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::fill_buffer (line 397) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::int_in_range (line 280) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::peek_bytes (line 459) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::bytes (line 432) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::arbitrary (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 105) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 354) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::len (line 93) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::new (line 79) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::take_rest (line 481) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f21930ea5aeaf501024e5c6fc727c334899cc92ac2ed432af9149fd38dfa227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f21930ea5aeaf501024e5c6fc727c334899cc92ac2ed432af9149fd38dfa227", kill_on_drop: false }`
[INFO] [stdout] 3f21930ea5aeaf501024e5c6fc727c334899cc92ac2ed432af9149fd38dfa227