[INFO] crate bolero-engine 0.5.2 is already in cache
[INFO] testing bolero-engine-0.5.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate bolero-engine 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bolero-engine 0.5.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-engine 0.5.2
[INFO] finished tweaking crates.io crate bolero-engine 0.5.2
[INFO] tweaked toml for crates.io crate bolero-engine 0.5.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c970774090858bdb901759a94afa55bc46a652c6f4fd2bd1e5f74321fd478b
[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" "a9c970774090858bdb901759a94afa55bc46a652c6f4fd2bd1e5f74321fd478b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c970774090858bdb901759a94afa55bc46a652c6f4fd2bd1e5f74321fd478b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c970774090858bdb901759a94afa55bc46a652c6f4fd2bd1e5f74321fd478b", kill_on_drop: false }`
[INFO] [stdout] a9c970774090858bdb901759a94afa55bc46a652c6f4fd2bd1e5f74321fd478b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbe8469344d4e7f0aedd724c9cb9f6134a2029314122372bdb7ac282ab19c26
[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" "9dbe8469344d4e7f0aedd724c9cb9f6134a2029314122372bdb7ac282ab19c26", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling pretty-hex v0.1.1
[INFO] [stderr]    Compiling bolero-generator-derive v0.5.2
[INFO] [stderr]    Compiling bolero-generator v0.5.2
[INFO] [stderr]    Compiling bolero-engine v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `Command { std: "docker" "inspect" "9dbe8469344d4e7f0aedd724c9cb9f6134a2029314122372bdb7ac282ab19c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbe8469344d4e7f0aedd724c9cb9f6134a2029314122372bdb7ac282ab19c26", kill_on_drop: false }`
[INFO] [stdout] 9dbe8469344d4e7f0aedd724c9cb9f6134a2029314122372bdb7ac282ab19c26
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ded0a34704f0b5778b7285de8f96a4fe96bfba77b01357cc77ec138a68cb10
[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" "69ded0a34704f0b5778b7285de8f96a4fe96bfba77b01357cc77ec138a68cb10", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero-engine v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "69ded0a34704f0b5778b7285de8f96a4fe96bfba77b01357cc77ec138a68cb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ded0a34704f0b5778b7285de8f96a4fe96bfba77b01357cc77ec138a68cb10", kill_on_drop: false }`
[INFO] [stdout] 69ded0a34704f0b5778b7285de8f96a4fe96bfba77b01357cc77ec138a68cb10
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c44163fc8799e2658d012bfb5d60523fd28b33318c85a2a555f34e0b31c7af02
[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" "c44163fc8799e2658d012bfb5d60523fd28b33318c85a2a555f34e0b31c7af02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bolero_engine-2d68250e97eee1be
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test shrink::non_start_vec_shrink_test ... ok
[INFO] [stdout] test shrink::u32_shrink_test ... ok
[INFO] [stdout] test shrink::u16_shrink_test ... ok
[INFO] [stdout] test target_location::format_symbol_name_test ... ok
[INFO] [stdout] test target_location::item_path_test ... ok
[INFO] [stdout] test shrink::vec_shrink_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bolero-engine
[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] running `Command { std: "docker" "inspect" "c44163fc8799e2658d012bfb5d60523fd28b33318c85a2a555f34e0b31c7af02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44163fc8799e2658d012bfb5d60523fd28b33318c85a2a555f34e0b31c7af02", kill_on_drop: false }`
[INFO] [stdout] c44163fc8799e2658d012bfb5d60523fd28b33318c85a2a555f34e0b31c7af02